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Dino Tooth Sheds New Light On Ancient Riddle: Major Group Of Dinosaurs Had Unique Way Of Eating
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aEu6RB86svk/090629200632.htm
Microscopic analysis of scratches on dinosaur teeth has helped scientists unravel an ancient riddle of what a major group of dinosaurs ate -- and exactly how they did it! Now for the first time, a study led by the University of Leicester, has found evidence that the duck-billed dinosaurs -- the Hadrosaurs -- in fact had a unique way of eating, unlike any living creature today.
Tue, 30 Jun 09
Ovarian Transplantation: First Baby Is Born With New Technique
http://feeds.sciencedaily.com/~r/sciencedaily/~3/8DM5hLvpChc/090629081453.htm
A new technique for transplanting the ovaries of women who have lost their fertility has been developed. The new, two-step method of ovarian transplant has produced excellent results in women whose ovaries have been frozen because of cancer treatment.
Tue, 30 Jun 09
New Fabricated Material Changes Color Instantly In Response To External Magnetic Field
http://feeds.sciencedaily.com/~r/sciencedaily/~3/RHdEQwte0_Y/090616122110.htm
Chemists have fabricated microscopic polymer beads that change color instantly and reversibly when external magnetic fields acting upon the microspheres change orientation. Applications of the new material include display type units such as rewritable or reusable signage, posters, papers and labels, and other magnetically activated security features, as well as environmentally friendly pigments for paints and cosmetics, and ink materials for color printing.
Tue, 30 Jun 09
Four Out Of 106 Heart Replacement Valves From Pig Hearts Failed, Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/sFdqqi3hV3A/090629165554.htm
Pig heart valves used to replace defective aortic valves in human patients failed much earlier and more often than expected, says a new report from cardiac surgeons. This is the first report to demonstrate this potential problem, the researchers say.
Tue, 30 Jun 09
Extending The Shelf Life Of Antibody Drugs
http://feeds.sciencedaily.com/~r/sciencedaily/~3/SrtLUUXYqVA/090629200806.htm
A new computer model can help solve a problem that has plagued drug companies trying to develop promising new treatments made of antibodies: Such drugs have a relatively short shelf life because they tend to clump together, rendering them ineffective.
Tue, 30 Jun 09
Darwin Killed Off The Werewolf
http://feeds.sciencedaily.com/~r/sciencedaily/~3/oUcFcQxeHnM/090616080135.htm
It was Darwinian theory that did away with the werewolf. The publication of Charles Darwin’s On the Origin of Species exactly 150 years ago focused minds on a different kind of monster – ape-men such as the Yeti, Bigfoot and Sasquatch. From then onwards, werewolves were relegated to a fictional footnote.
Tue, 30 Jun 09
Peer Pressure Plays Major Role In Environmental Behavior
http://feeds.sciencedaily.com/~r/sciencedaily/~3/gIiCdxXwFv8/090629200802.htm
People are more likely to enroll in conservation programs if their neighbors do -- a tendency that should be exploited when it comes to protecting the environment, according to results of a new study.
Tue, 30 Jun 09
Aerobic Activity May Keep The Brain Young
http://feeds.sciencedaily.com/~r/sciencedaily/~3/80k_mKmISjI/090629132254.htm
Physically active elderly people showed healthier cerebral blood vessels than those who are not active.
Tue, 30 Jun 09
Advanced Sepsis Detection And Management System Created
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ImY809ChCxI/090615185422.htm
Scientists have developed and begun testing what they believe is the first real-time system for sepsis detection.
Tue, 30 Jun 09
Scientists Tackle Viral Mysteries
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Yoo2d0iIFpo/090629200626.htm
A recent study focuses on the intersection of these two scientific puzzles, resulting in new discoveries about how one herpes virus known to cause cancer may reactivate when the infected cell senses another type of virus entering it.
Tue, 30 Jun 09
Plastics From Biomass? Inexpensive Method For Removing Oxygen From Biomass Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aoxemBdSt1c/090616144533.htm
In revisiting a chemical reaction that's been in the literature for several decades and adding a new wrinkle of their own, researchers have discovered a mild and relatively inexpensive procedure for removing oxygen from biomass. This procedure, if it can be effectively industrialized, could allow many of today's petrochemical products, including plastics, to instead be made from biomass.
Tue, 30 Jun 09
From Columbine To Dawson: Psychological Impact Of Mass Shootings
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kKzaoj-IoHc/090629100641.htm
Time does not heal all wounds, according to a new study. Since the September 13, 2006, mass shooting at Dawson College in Montreal, Canada, 40 percent of respondents have reported mental health problems, while others experienced severe post-traumatic stress symptoms.
Tue, 30 Jun 09
Birds With A Nose For A Difference: Avoidance Of Inbreeding In Birds Demonstrated
http://feeds.sciencedaily.com/~r/sciencedaily/~3/UD3dild0Mj0/090629200636.htm
Avoidance of inbreeding is evident among humans, and has been demonstrated in some shorebirds, mice and sand lizards. Researchers now report that it also occurs in a strictly monogamous species of bird, suggesting that the black-legged kittiwake possesses the ability to choose partners with a very different genetic profile.
Tue, 30 Jun 09
Key Culprits In Lupus Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Y4_PDZvsFvQ/090629200811.htm
The more than 1.5 million Americans with systemic lupus erythematosus (or lupus) suffer from a variety of symptoms that flare and subside, often including painful or swollen joints, extreme fatigue, skin rashes, fever and kidney problems. Researchers have now identified the main trigger for the development of this disease.
Tue, 30 Jun 09
RNA Snippet Suppresses Spread Of Aggressive Breast Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/p5IFzqhYJ6c/090615185426.htm
Low levels of a tiny RNA fragment in cells are associated with metastatic breast cancer in humans and increases the aggressive spread of breast cancer in mice, according to researchers. Measuring levels of this so-called microRNA in cancer cells may more accurately predict the likelihood of metastasis, the spread of cancer to other parts of the body that accounts for 90 percent of cancer-related deaths.
Tue, 30 Jun 09
Increased Levels Of Certain Cytokines And Chemokines Predict Onset Of Rheumatoid Arthritis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/nxALdyGVkZQ/090615094034.htm
Up-regulation of certain cytokines and chemokines (signaling molecules involved in the functioning of the immune system) can predict the development of rheumatoid arthritis three years before the onset of symptoms, according to the results of a new study presented at EULAR 2009, the Annual Congress of the European League Against Rheumatism in Copenhagen, Denmark.
Tue, 30 Jun 09
Putting A Freeze On Oscillator Vibrations
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Yaa7Tvsd-RE/090617131404.htm
Physicists have successfully landed a one-two punch on a tiny glass sphere, refrigerating it in liquid helium and then dosing its perimeter with a laser beam, to bring its naturally occurring mechanical vibrations to a near standstill.
Tue, 30 Jun 09
How Much Is Life Worth? The $440 Billion Question
http://feeds.sciencedaily.com/~r/sciencedaily/~3/H5hwcQ4u58w/090629165552.htm
The decision to use expensive cancer therapies that typically produce only a relatively short extension of survival is a serious ethical dilemma in the United States that needs to be addressed by the oncology community, according to a commentary published in the Journal of the National Cancer Institute.
Tue, 30 Jun 09
Particulate Pollution Combined With Airborne Soot Adds To Global Warming
http://feeds.sciencedaily.com/~r/sciencedaily/~3/KqYZkzGx0MU/090629200808.htm
Particulate pollution thought to be holding climate change in check by reflecting sunlight instead enhances warming when combined with airborne soot. An instrument that measures the chemical composition and optical properties of aerosols in real time has revealed that fresh soot quickly becomes coated with a spherical shell of other chemicals, such as sulfate and nitrate through light-driven chemical reactions. This lens-like shell enhances absorption of light by a factor of 1.6 over pure soot particles.
Tue, 30 Jun 09
Early Heart Attack Therapy With Bone Marrow Extract Improves Cardiac Function
http://feeds.sciencedaily.com/~r/sciencedaily/~3/nW1_Ou_S7GY/090629165641.htm
In a new mouse study, researchers showed that heart function improves after heart attack when subjects are given therapy with bone marrow (BM)-derived stem cells and bone marrow stem cell extract.
Tue, 30 Jun 09
Amazon Conservation Policy Working In Brazil, Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0qPfpcpiesA/090615171612.htm
Contrary to common belief, Brazil's policy of protecting portions of the Amazonian forest from development is capable of buffering the Amazon from climate change, according to a new study.
Tue, 30 Jun 09
DNA Mutation That Occurs At Beginning Point Of T-cell Lymphoma Identified
http://feeds.sciencedaily.com/~r/sciencedaily/~3/n4FAxuDfS0o/090612092743.htm
Researchers have identified a key mechanism that causes chromosomes within blood cells to break -- an occurrence that marks the first step in the development of human lymphoma.
Tue, 30 Jun 09
Purple Sweet Potato Means Increased Amount Of Anti-cancer Components
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MjTXMv1Z4wY/090629132250.htm
Purple sweet potatoes have high contents of anthocyanin, and anthocyanins have been epidemiologically associated with a reduced cancer risk.
Tue, 30 Jun 09
Placebo Effects In Caregivers May Change Behavior Of Children With ADHD
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xKz36INYdX4/090629165611.htm
Stimulant medications, such as Ritalin and Adderall, are the accepted treatment to stem hyperactivity in children with attention deficit-hyperactive disorder and improve their behavior. Now a recent review of research by pediatric psychologists suggests that such medication, or the assumption of medication, may produce a placebo effect -- not in the children, but in their teachers, parents or other adults who evaluate them.
Tue, 30 Jun 09
Flu Dynasty: Influenza Virus In 1918 And Today
http://feeds.sciencedaily.com/~r/sciencedaily/~3/It8llWqGArM/090629200643.htm
The influenza virus that wreaked havoc in 1918-1919 founded a viral dynasty that persists to this day, according to scientists. They argue that we have lived in an influenza pandemic era since 1918, and describe how the 2009 H1N1 virus yet another manifestation of this enduring viral family.
Tue, 30 Jun 09
Novel Epigenetic Markers Of Melanoma May Herald New Treatments For Patients
http://feeds.sciencedaily.com/~r/sciencedaily/~3/9LtViPSuen8/090629165601.htm
Melanoma is the most serious form of skin cancer, diagnosed in more than 50,000 new patients in the United States annually. As incidences continue to rise, the race is on to find the genetic and cellular changes driving melanoma, and to devise new means of detection and treatment. In new a study, scientists have found new epigenetic markers that will help develop more effective treatment strategies to fight this disease.
Tue, 30 Jun 09
Health-related Loss In Salmon Farming
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fqFRP8GzSig/090615111755.htm
New research shows that health-related loss in modern salmon farming may be systematically monitored and quantified, both in biological and economical terms.
Tue, 30 Jun 09
Dual Role In Breast Tissue For Protein Involved In Leukemia
http://feeds.sciencedaily.com/~r/sciencedaily/~3/eihE_GbkXQE/090612143936.htm
A protein known to play a role in growth of some types of leukemia appears to have a mixed function in breast cancer development, say researchers.
Tue, 30 Jun 09
Researchers Publish Comprehensive Model For Medical Device Development
http://feeds.sciencedaily.com/~r/sciencedaily/~3/3KEqtaEmn9M/090629132210.htm
In an effort to increase understanding of the medical device development process and help companies execute the bench-to-bedside process of product development more effectively, researchers at have published the first comprehensive model representing the medical device development process.
Tue, 30 Jun 09
The 'Virtual Watercooler' Email Cliques?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Jov5N9cLjp8/090623090709.htm
Researchers are exploring the organizational impact of 'shadowy groupings.' They are examining the impact of 'email cliques' -- the equivalent of people who gather around the office watercooler, though this time in the virtual world.
Tue, 30 Jun 09
Stress Puts Double Whammy On Reproductive System, Fertility
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fGTC3DVNuuY/090615171618.htm
Stress is known to decrease fertility and sexual behavior, but researchers thought this was because stress hormones lower levels of a brain hormone called gonadotropin releasing hormone, or GnRH. Biologists now show that stress hormones also boost levels of a hormone that suppresses GnRH -- a double whammy. The scientists hope it will be possible to block this hormone, called gonadotropin inhibiting hormone, or GnIH, and restore fertility.
Tue, 30 Jun 09
Second Gene Linked To Familial Testicular Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/EyvLkGxmEBE/090629112827.htm
Specific variations or mutations in a particular can gene raise a man's risk of familial, or inherited, testicular germ-cell cancer, the most common form of this disease, according to new research. This is only the second gene to be identified that affects the risk of familial testicular cancer, and the first gene in a key biochemical pathway.
Tue, 30 Jun 09
Microtubules Might Be Responsible For Some Cases Of The Neurological Disorder Charcot-Marie-Tooth Disease
http://feeds.sciencedaily.com/~r/sciencedaily/~3/gpWrnrGzKHM/090615093914.htm
Stalled microtubules might be responsible for some cases of the neurological disorder Charcot-Marie-Tooth disease. A mutant protein makes the microtubules too stable to perform their jobs, the researchers find.
Tue, 30 Jun 09
Knee Replacements: Pinpointing The Cause Of Infection
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xwfYcW-mJ8g/090615093929.htm
A new study reveals that PET scans accurately detect infections in prosthetic knee joints more than 90 percent of the time.
Tue, 30 Jun 09
First Successful Use Of New Ocean Observation Technology – Investigation Of Ocean Acidification In The Baltic Sea
http://feeds.sciencedaily.com/~r/sciencedaily/~3/AYtgavLrC9g/090615111618.htm
For the first time, scientists in Germany successfully used an offshore observing system to study environmental changes in the oceans. The so-called mesocosms resemble oversized test tubes with a length of 20 metres. They are used to simulate the future ocean in situ, i.e. under realistic conditions.
Tue, 30 Jun 09
Binge Drinking Linked With Hemorrhagic Stroke In Korean Men
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Q6M8iOH1y58/090625201805.htm
Frequent binge drinking -- having six or more alcoholic drinks at one occasion, at lease once a week -- by Korean men was associated with a dramatic increase in hemorrhagic stroke. It is unclear whether the results can be generalized to other populations.
Tue, 30 Jun 09
Peeling Stickers May Lead To Stretchable Electronics; New Model Enables Precise Design Of Damage-resistant Materials
http://feeds.sciencedaily.com/~r/sciencedaily/~3/T5G7JQTo0Bs/090615171614.htm
A study of stickers peeling from windows could lead to a new way to precisely control the fabrication of stretchable electronics, according to researchers.
Tue, 30 Jun 09
Deep Brain Stimulation To Treat Psychiatric Diseases Reviewed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kUvHHMxO0f0/090629114538.htm
Pioneering therapeutic trials to investigate the effectiveness of deep brain stimulation in hard-to-treat depression, obsessive-compulsive disorder and Tourette's syndrome are underway at multiple medical centers around the world, according to a new article.
Tue, 30 Jun 09
Reintroducing Bonobo Apes Into The Wild: Researchers To Monitor Progress
http://feeds.sciencedaily.com/~r/sciencedaily/~3/zPBPGz7MbJo/090615171523.htm
American researchers who have been studying the rare and threatened bonobo ape will lead monitoring efforts after a group of orphan bonobos are returned to the wild in the Congo for the first time this month.
Tue, 30 Jun 09
How A Stroke Affects Hand Function; Roadmap For Rehabilitation
http://feeds.sciencedaily.com/~r/sciencedaily/~3/iV472HMU07M/090615093927.htm
A person whose hand function has been affected by a stroke can release an object more quickly when the affected arm is supported on a platform, but the support does not make it easier to grip the object, a new study finds. Active muscle-stretching exercises improved how quickly the stroke survivor could grip an object, but made release of the object more difficult. These findings show how a stroke affects hand function, and provide a roadmap for rehabilitation.
Tue, 30 Jun 09
Student Designs Innovative Escalator That Is Accessible To All Users
http://feeds.sciencedaily.com/~r/sciencedaily/~3/OhToc8s2Qu4/090615152928.htm
People with impaired mobility who move around in wheelchairs, people who are transporting bulky loads and all other users will be able to travel upwards and downwards without assistance using the innovative escalator designed by Jesús Sánchez, an industrial engineering student in Spain.
Tue, 30 Jun 09
Preimplantation Genetic Screening: Polar Body Screening Study Launched
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MQTyw0TvK_Y/090628180117.htm
The efficacy of preimplantation genetic screening (PGS) has been one of the most hotly disputed subjects in assisted reproduction over the past few years. None of the trials carried out so far has shown conclusively whether it works or not. Now scientists have decided to try to find out if a novel method of doing PGS using polar body biopsy and chromosome array analysis offers a possible solution.
Tue, 30 Jun 09
Obesity Clues From Research On How Burrowing Frogs Survive Years Without Food
http://feeds.sciencedaily.com/~r/sciencedaily/~3/hAXcFK403d4/090629081133.htm
Burrowing frogs can survive buried for several years without food or water. Scientists have discovered that the metabolism of their cells changes radically during the dormancy period allowing the frogs to maximize the use of their limited energy resources. This discovery could prove to have important applications in the long term for treating energy-related disorders such as obesity.
Tue, 30 Jun 09
C-section Births Cause Genetic Changes That May Increase Odds For Developing Diseases In Later Life
http://feeds.sciencedaily.com/~r/sciencedaily/~3/3DB0Irq3FU4/090629081443.htm
Babies born by Caesarean section experience changes to the DNA pool in their white blood cells, which could be connected to altered stress levels during this method of delivery. It is thought that these genetic changes, which differ from normal vaginal deliveries, could explain why people delivered by C-section are more susceptible to immunological diseases such as diabetes and asthma in later life, when those genetic changes combine with environmental triggers.
Tue, 30 Jun 09
Engineers Developing Bullet Proof Vests From Cement
http://feeds.sciencedaily.com/~r/sciencedaily/~3/EpJU0JJ0xVM/090629081451.htm
Engineers are working on a new type of body armor made from cement. The new vests will combine super-strong cement with recycled carbon fibre materials to make a material tough enough to withstand most types of bullets.
Tue, 30 Jun 09
Insulin Analogue Glargine Possibly Increases Cancer Risk
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bTGaPF2G8Tk/090626190935.htm
The risk of cancer possibly increases if patients with diabetes use the long-acting insulin analogue glargine instead of human insulin. Scientists analysed the data of almost 130,000 patients with diabetes in Germany who had been treated with either human insulin or the insulin analogues lispro, aspart or glargine between January 2001 and June 2005.
Tue, 30 Jun 09
'Organic' Traffic Lights Sense Traffic And Adjust Light Timing Accordingly
http://feeds.sciencedaily.com/~r/sciencedaily/~3/pGieI7YqXxo/090626140130.htm
Controlling road traffic in congested areas is difficult to say the least, a point to which any drive-time urban commuter might testify. An organic approach to traffic lights, might help solve the problem and avoid traffic jams and gridlock, according to new research.
Tue, 30 Jun 09
Teens Who Believe They'll Die Young Are More Likely To Engage In Risky Behavior
http://feeds.sciencedaily.com/~r/sciencedaily/~3/vPzkKItmMDk/090629081124.htm
Researchers found that one in seven adolescents believe that it is highly likely that they will die before age 35, and this belief predicted that the adolescents' would engage in risky behaviors.
Mon, 29 Jun 09
First Electronic Quantum Processor Created
http://feeds.sciencedaily.com/~r/sciencedaily/~3/GgQPVQDVh8w/090628171949.htm
Researchers have created the first rudimentary solid-state quantum processor, and used the two-qubit superconducting chip to successfully run elementary algorithms, demonstrating quantum information processing with a solid-state device for the first time.
Mon, 29 Jun 09
Nanotechnology Combats Fatal Brain Infections
http://feeds.sciencedaily.com/~r/sciencedaily/~3/hMWsC-hXD98/090628171955.htm
Scientists have developed novel peptide nanoparticles that effectively seek out and destroy bacteria and fungal cells that could cause fatal infections.
Mon, 29 Jun 09
'Bycatch' Whaling A Growing Threat To Coastal Whales
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Ze5xyiY6pjo/090623120846.htm
Scientists are warning that a new form of unregulated whaling has emerged along the coastlines of Japan and South Korea, where the commercial sale of whales killed as fisheries "bycatch" is threatening coastal stocks of minke whales and other protected species.
Mon, 29 Jun 09
Eczema Patients Most At Risk For Dangerous Viral Infections
http://feeds.sciencedaily.com/~r/sciencedaily/~3/vxt9aWYxqiQ/090625100343.htm
Eczema patients at risk for serious viral infections have more severe disease, are more likely to be allergic to food and other allergens, and have a frequent history of staph infections, according to researchers. The findings could help identify people at risk for serious complications of smallpox vaccinations, and point to defects in the skin barrier and antimicrobial-protein production as possible causes for the increased susceptibility.
Mon, 29 Jun 09
First Global Map Of Ammonia Emissions Measured From Space Reveals New Hotspots
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Et4x_P6DR3c/090624093736.htm
The first complete map of global ammonia emissions has recently been achieved using to satellite data. It reveals an underestimation of some of the ammonia concentrations detected by current inventories, and identifies new hotspots.
Mon, 29 Jun 09
Why Do Subordinates In Many Animal Species Accept Social Position Without A Fight?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/S7JhOCUBGr4/090628085921.htm
In many animal species stable hierarchies are routinely formed in which some individuals seem to slip naturally into their dominant role whereas others resign themselves to play the part of lowly subordinates. Why do subordinates embrace this fate so readily instead of putting up a fight?
Mon, 29 Jun 09
Site For Alcohol's Action In The Brain Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/czcnzLwvGe0/090628171951.htm
Alcohol's inebriating effects are familiar to almost everyone. But the molecular details of alcohol's impact on brain activity remain a mystery. A new study brings us closer to understanding how alcohol alters the way brain cells work.
Mon, 29 Jun 09
New Trigger For Chronic Inflammation In Rheumatoid Arthritis Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FNWGqGlwGco/090628171953.htm
A signal molecule made by the human body that triggers the immune system into action may be important in rheumatoid arthritis, according to new research. The authors say that if scientists could block this signal, it may be possible to develop more effective arthritis treatments.
Mon, 29 Jun 09
'Mixed Reality' Human Helps Medical Students Learn To Do Intimate Exams
http://feeds.sciencedaily.com/~r/sciencedaily/~3/mqn8LehdXIg/090623143054.htm
Intimate procedures such as breast exams, while a routine and critical part of medical care, are notoriously tough to teach. Engineers have now crafted a solution: a hybrid computer/mannequin that helps train students not only how to correctly perform a breast exam — but also how to talk to, and glean information from, the patient during the procedure.
Mon, 29 Jun 09
Chain Reaction Of The Immune System Frozen
http://feeds.sciencedaily.com/~r/sciencedaily/~3/tLuoDSPlLz4/090622194350.htm
Scientists have succeeded in freezing a chain reaction of the immune system. This achievement marks a breakthrough in the field of immunology.
Mon, 29 Jun 09
Energy-saving Method Checks Refrigerant Level In Air Conditioners
http://feeds.sciencedaily.com/~r/sciencedaily/~3/40-hFSn4akI/090623112110.htm
Engineers have developed a technique that saves energy and servicing costs by indicating when air conditioners are low on refrigerant, preventing the units from working overtime.
Mon, 29 Jun 09
Language Change Can Be Traced Using Gigantic Text Archives
http://feeds.sciencedaily.com/~r/sciencedaily/~3/YUHSlU_yw58/090626140126.htm
Historical collections that include everything ever written in a dozen American and British newspapers since they started are now available electronically. Researchers have now carried out the first comprehensive study that makes use of this resource in order to track changes in language usage, a method that makes it possible to attain an entirely new degree of precision in dating.
Mon, 29 Jun 09
Synthetic Biology: Gene Therapy Gets Under The Skin
http://feeds.sciencedaily.com/~r/sciencedaily/~3/PPl8PqoGr_Y/090623193112.htm
Vaseline, a known molecule from apples and a gene network encapsulated in algal gelatin are the components of a possible gene therapy which literally gets under the skin. An important part in this is played by phloretin, an antioxidant found in apples which makes cell walls more permeable and is used in cosmetics as an anti-wrinkle agent.
Mon, 29 Jun 09
Lean Mass Better For Developing Bones In Young People
http://feeds.sciencedaily.com/~r/sciencedaily/~3/onOvKy6uBoI/090622201612.htm
New research shows that a child with leaner body mass, or muscle, builds bigger bones than a child who weighs the same but has a greater percentage of fat.
Mon, 29 Jun 09
Can A Little Extra Weight Protect People From Early Death? Underweight, Extremely Obese Die Earlier Than People Of Normal Weight
http://feeds.sciencedaily.com/~r/sciencedaily/~3/gXAisZJqJq0/090623133523.htm
Underweight people and those who are extremely obese die earlier than people of normal weight -- but those who are overweight actually live longer than people of normal weight. Those are the findings of a new study.
Mon, 29 Jun 09
Blood Flow In Alzheimer's Disease
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aEw36SvuNQ0/090624211135.htm
Scientists have discovered that endothelin converting enzyme-2 (ECE-2) may cause the decrease in cerebral blood flow seen in Alzheimer's disease.
Mon, 29 Jun 09
Fly Larvae Shun The Light
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ZwWsDcmZOJM/090622192236.htm
Drosophila larvae avoid light during the foraging stage of their development. New research shows that both 5-HT (serotonergic) and corazonergic neurons have a role in regulating this behavior.
Mon, 29 Jun 09
Intensive In-hospital Support Doubles Likelihood Of Smoking Cessation In Heart Patients
http://feeds.sciencedaily.com/~r/sciencedaily/~3/X2UQA3YuZ10/090622171355.htm
Patients admitted to hospital with coronary artery disease are twice as likely to quit smoking after receiving intensive smoking cessation support compared to minimal support, found a new study.
Mon, 29 Jun 09
Nematode Courting Caught On Camera
http://feeds.sciencedaily.com/~r/sciencedaily/~3/QtOmx-3zDKI/090625100345.htm
Researchers studying the nervous control of nematode mating behavior have produced video footage of a male worm preparing to mate with a hermaphrodite. Researchers investigated the role of the excitatory neurotransmitter acetylcholine in regulating tail muscles to achieve an exploratory embrace.
Mon, 29 Jun 09
Advanced Nerve Cell System Could Help Cure Diabetic Neuropathy, Related Diseases
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bphUH7XlLcU/090623091129.htm
Researchers have created the first lab-grown motor nerves that are insulated and organized the same way they are in the body. The group's model system could dramatically improve understanding of the causes of myelin-related conditions such as multiple sclerosis, diabetic neuropathy and Guillian-Barré syndrome, potentially enabling the discovery and testing of new drug therapies.
Mon, 29 Jun 09
Student’s Design Helps Piece Together Parts Of The Alzheimer’s Puzzle
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Sls3KV29GNA/090623090659.htm
Extensive research in care homes across South East England has prompted a student to design a jigsaw puzzle especially for people with Alzheimer's disease and other forms of dementia. The puzzle, which features easy-to-handle pieces, features images specially selected to trigger memories in older people affected with the illness.
Mon, 29 Jun 09
Inflammation Markers Linked More With Fatal Than Nonfatal Cardiovascular Events In Elderly
http://feeds.sciencedaily.com/~r/sciencedaily/~3/uEr383vhCeQ/090622201921.htm
For elderly people at risk of cardiovascular disease, the presence of inflammatory markers in the blood can identify that an individual is at a higher risk of a fatal rather than a nonfatal heart attack or stroke.
Mon, 29 Jun 09
Bringing Boys And Girls To Computer Science With 'Alice'
http://feeds.sciencedaily.com/~r/sciencedaily/~3/TRBV3K-hYdY/090623112115.htm
A nationwide study is using the power of storytelling to draw younger students into programming. An animation program called "Alice," allows student programmers of all ages to create their own worlds without realizing they're actually writing code.
Mon, 29 Jun 09
Partner Relationship As A Buffer Against Stress
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1aXGfasTJK0/090623090711.htm
A good partner relationship can act as a buffer for those exposed to work-related stress. The relationship reduces the negative effects of this kind of stress on our health. But poor relationships will amplify the negative effects, says a young researcher.
Sun, 28 Jun 09
Dolphins Get A Lift From Delta Wing Technology
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FHmiuiFy_rA/090626091127.htm
Dolphins are supremely agile swimmers, but it wasn't clear how their fins help them maneuver though water. Building scale models of whale and dolphins' fins, a team of US scientists has found that some dolphins' fins work just like delta wing aircraft.
Sun, 28 Jun 09
Superfood Soy Linked To Reduction In Smoker's Lung Damage Risk
http://feeds.sciencedaily.com/~r/sciencedaily/~3/VYfL2TbUtTw/090625201809.htm
People who eat lots of soy products have better lung function, and are less likely to develop the smoking-associated lung disease COPD (chronic obstructive pulmonary disease). A new study has shown that consumption of a wide variety of soy products can be associated with a reduction in the risk of COPD and other respiratory symptoms.
Sun, 28 Jun 09
Mars Rover Yielding New Clues While Lodged In Martian Soil
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2jlrwGU_AqU/090627225541.htm
NASA's Mars rover Spirit, lodged in Martian soil that is causing traction trouble, is taking advantage of the situation by learning more about the Red Planet's environmental history.
Sun, 28 Jun 09
Measuring Brain Atrophy In Patients With Mild Cognitive Impairment
http://feeds.sciencedaily.com/~r/sciencedaily/~3/IJ4jRKek7O4/090616133942.htm
Scientists have shown that a fully automated procedure called Volumetric MRI -- which measures the "memory centers" of the brain and compares them to expected size -- is effective in predicting the progression from mild cognitive impairment (MCI) to Alzheimer's disease. The procedure can be readily used in clinics to measure brain atrophy, and may help physicians to predict decline in MCI patients.
Sun, 28 Jun 09
Scientists Reach Milestone In Study Of Emergent Magnetism
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2fX1u0mKlow/090618161152.htm
Studying simple metallic chromium, scientists have discovered a pressure-driven quantum critical regime and has achieved the first direct measurement of a "naked" quantum singularity in an elemental magnet.
Sun, 28 Jun 09
Why Saints Sin And Sinners Get Saintly
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DUZgJMQKVzA/090626141233.htm
A new study suggests that people with ample moral self-worth in one aspect of their lives can slip into immorality or opposite behavior in other areas -- their abundant self-esteem somehow pushing them to balance out all that goodness. Conversely, the study shows, people who engage in immoral behavior cleanse themselves with good work to restore an ideal level of moral self-worth.
Sun, 28 Jun 09
Why A Low-Calorie Diet Extends Lifespans: Critical Enzyme Pair Identified
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6aJ5PFg5IhU/090624152811.htm
Experiment after experiment confirms that a diet on the brink of starvation expands lifespan in mice and many other species. But the molecular mechanism that links nutrition and survival is still poorly understood. Now, researchers have identified a pivotal role for two enzymes that work together to determine the health benefits of diet restriction.
Sun, 28 Jun 09
New Gene Discovery Links Obesity To The Brain
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Vvd-lWfJLek/090625210425.htm
A variation in a gene that is active in the central nervous system is associated with increased risk for obesity, according to a new study. The research adds to evidence that genes influence appetite and that the brain plays a key role in obesity.
Sun, 28 Jun 09
Implant Bacteria, Beware: Researchers Create Nano-sized Assassins
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cZTkoEBj5IY/090626091131.htm
Infected implants now have a foe. Researchers have created a nanoparticle that can penetrate a bacterial-produced film on prosthetics and kill the bacteria. The finding is the first time that iron-oxide nanoparticles have been shown to eliminate a bacterial infection on an implanted prosthetic device.
Sun, 28 Jun 09
Mad Cow And Related Diseases: Copper Linked To Normal Functioning Of Prions
http://feeds.sciencedaily.com/~r/sciencedaily/~3/tiXfX5ZobrI/090625141506.htm
Researchers have discovered a link between copper and the normal functioning of prion proteins, which are associated with transmissible spongiform encephalopathy diseases such as Cruetzfeldt-Jakob in humans or "mad cow" disease in cattle. Their work could have implications for patients suffering from these diseases, as well as from other prion-related diseases such as Alzheimers or Parkinson's.
Sun, 28 Jun 09
Air Pollution From Freeway Extends One And A Half Miles Away
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kq-wNYyRdK8/090618172409.htm
Scientists have found that during the hours before sunrise, freeway air pollution extends much further than previously thought. Pollutants were found 1.5 miles from I-10 in California during early morning hours.
Sun, 28 Jun 09
Early Alzheimer's: Not Remembering What Is Important To Remember
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FfNjFKSGQL0/090625152933.htm
People in very early stages of Alzheimer's disease already have trouble focusing on what is important to remember, psychologists report.
Sun, 28 Jun 09
Ulysses Hears The Siren's Song: End Of Mission To Chart Unexplored Regions Of Space
http://feeds.sciencedaily.com/~r/sciencedaily/~3/llNNxlgD7SY/090626140124.htm
Upon receipt of the last command from Earth, the transmitter on Ulysses will switch off on 30 June, bringing one of the most successful and longest missions in spaceflight history to an end. Ulysses, which operated for more than 18 years, had charted the unexplored regions of space above the poles of the sun.
Sun, 28 Jun 09
Statins Can Protect Against Alzheimer’s Disease, According To New Study
http://feeds.sciencedaily.com/~r/sciencedaily/~3/caZ_6wNiHnI/090622064707.htm
High cholesterol levels are considered to be a risk factor not only for cardiovascular disease including stroke, but also for the development of Alzheimer’s disease. Therefore, many cholesterol lowering drugs, including statins, have been developed in recent years. In addition to the cholesterol reducing effect of statins scientists have demonstrated that statins can protect nerve cells against damage which we know to occur in the brain of Alzheimer’s disease patients.
Sun, 28 Jun 09
More Gene Mutations Linked To Autism Risk
http://feeds.sciencedaily.com/~r/sciencedaily/~3/a3R2Q3wVg9w/090625202008.htm
More pieces in the complex autism inheritance puzzle are emerging in the latest gene study of autism spectrum disorders. This study identified 27 different genetic regions where rare copy number variations -- missing or extra copies of DNA segments -- occurred in the genes of children with ASDs, but not in healthy controls. The copy number variations are thought to interfere with gene function, disrupting the production of proteins necessary for normal neurological development.
Sun, 28 Jun 09
Gastrin Plays Significant Role In Helicobacter-induced Stomach Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/U5RWa-XN6uU/090624161624.htm
Scientists have studied the role of Helicobacter infection in the development of stomach cancer, and found that the hormone gastrin, which stimulates secretion of gastric acid, plays a key role in the development of Helicobacter-induced stomach cancer, may have distinct effects on carcinogenesis in different parts of the stomach.
Sun, 28 Jun 09
Fecal DNA Sampling Provides Extremely Accurate Estimates Of Tiger Populations
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bYsRelyQW58/090618144009.htm
High-tech DNA fecal sampling will help save tigers. Researchers will be able to accurately count and assess tiger populations by identifying individual animals from the unique DNA signature found in their dung.
Sun, 28 Jun 09
Nicotine Dependence Remains Prevalent Despite Recent Declines In Cigarette Use
http://feeds.sciencedaily.com/~r/sciencedaily/~3/hAOx9Tu7qRA/090624153114.htm
Despite recent declines in cigarette use in the US, nicotine dependence has remained steady among adults and has actually increased among some groups. The finding suggests that public health initiatives have been far more successful in preventing Americans from taking up smoking than in persuading hardcore smokers to stop.
Sat, 27 Jun 09
Platypus Helps Illuminate Ovarian Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/C_2JdywJuUQ/090626191301.htm
Researchers believe our oldest mammalian relative may help us to better understand ovarian cancer. DNA mapping of the platypus has uncovered an interesting relationship between their sex chromosomes and DNA sequences found in human ovarian cancer.
Sat, 27 Jun 09
Dietary Fat Linked To Pancreatic Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/sSgE8Z_nWZw/090626163115.htm
High intake of dietary fats from red meat and dairy products was associated with an increased risk of pancreatic cancer, according to a new study.
Sat, 27 Jun 09
Can't Compete On Dung? Try Mating On Apple Pomace
http://feeds.sciencedaily.com/~r/sciencedaily/~3/7GIJ49kPiFI/090624161631.htm
In the mating world of yellow dung flies, large, males almost always get the girl. However, a new study suggests that smaller males rule if presented with an opportunity to woo females when they are not hanging out on cow dung. Small male dung flies, which are traditionally unsuccessful at finding and keeping mates on dung pats, successfully mated with females feeding on composting apple pomace.
Sat, 27 Jun 09
Selenium Intake May Worsen Prostate Cancer In Some, Study Reports
http://feeds.sciencedaily.com/~r/sciencedaily/~3/V04XGztwJu8/090625201820.htm
Higher selenium levels in the blood may worsen prostate cancer in some men who already have the disease. A higher risk of more-aggressive prostate cancer was seen in men with a certain genetic variant. In those subjects, having a high level of selenium in the blood was associated with a two-fold greater risk of poorer outcomes than men with the lowest amounts of selenium.
Sat, 27 Jun 09
Projected Food, Energy Demands Seen To Outpace Production
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4afjA0-Cjwo/090625152936.htm
With the caloric needs of the planet expected to soar by 50 percent in the next 40 years, planning and investment in global agriculture will become critically important, according a new report.
Sat, 27 Jun 09
Rating Attractiveness: Consensus Among Men, Not Women, Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FoVSTeq30mQ/090626153511.htm
Hot or not? Men agree on the answer. Women don't. There is much more consensus among men about whom they find attractive than there is among women, according to a new study.
Sat, 27 Jun 09
Evidence Of Memory Seen In Songbird Brain
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Sh7VMW3ewUc/090626141237.htm
When a zebra finch hears a new song from a member of its own species, the experience changes gene expression in its brain in unexpected ways, researchers report. The sequential switching on and off of thousands of genes after a bird hears a new tune offers a new picture of memory in the songbird brain.
Sat, 27 Jun 09
Trial Shows Promise For Arthritis Drug
http://feeds.sciencedaily.com/~r/sciencedaily/~3/XxoKFSmOORs/090626190933.htm
A clinical trial of masitinib, a drug in development for the treatment of rheumatoid arthritis, has shown it to be well-tolerated and effective. Researchers have shown that treatment with masitinib significantly reduced the severity of active arthritis.
Sat, 27 Jun 09
Making Nanoparticles In Artificial Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/JRJdGyFIvVA/090626102334.htm
Two processes can be used to control the size of nanoparticles, which could serve as tiny light sources.
Sat, 27 Jun 09
Scientists Identify Key Factor That Controls HIV Latency
http://feeds.sciencedaily.com/~r/sciencedaily/~3/vUS3uoD7MR0/090625210423.htm
Scientists have found another clue that may lead to eradication of HIV from infected patients who have been on antiretroviral therapy. A real cure for HIV has been elusive because the virus can "hide" in a latent form in resting CD4-T cells. By understanding this "latency" effect, researchers can identify ways to reactivate the virus, and enable complete clearance by current or future therapies.
Sat, 27 Jun 09
Engineers Investigate Lead-Free Soldering
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aOxIW1yqQd8/090623150137.htm
Engineers aim to improve the reliability of lead-free soldering alloys that are used to make electronic devices. This would help with the implementation of environmentally-friendly materials in electronics production.
Sat, 27 Jun 09
One In 25 Deaths Worldwide Attributable To Alcohol
http://feeds.sciencedaily.com/~r/sciencedaily/~3/h23z_Yttm0U/090626102332.htm
Worldwide, one in 25 deaths are directly attributable to alcohol consumption. This rise since 2000 is mainly due to increases in the number of women drinking.
Sat, 27 Jun 09
How High Carbohydrate Foods Can Raise Risk For Heart Problems
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cwKVveom7To/090625133215.htm
Doctors have known for decades that too much carbohydrate-laden foods like white bread and corn flakes can be detrimental to cardiac health. In a landmark study, new research now shows exactly how these high-carb foods increase the risk for heart problems.
Sat, 27 Jun 09
STAT3 Protein Found To Play A Key Role In Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Jum1v64dORE/090625141500.htm
A protein called STAT3 has been found to play a fundamental role in converting normal cells to cancerous cells, according to a new study. The study found that STAT3, in addition to its role in the cell nucleus regulating gene expression, is also present in mitochondria, and regulates the activity of the electron transport chain in tumors cells.
Sat, 27 Jun 09
Corals Stay Close to Home
http://feeds.sciencedaily.com/~r/sciencedaily/~3/PRXljtV2ibM/090626084636.htm
New DNA analysis reveals that corals in one locality are more closely related than previously thought; results have significant implications for coral conservation.
Sat, 27 Jun 09
Study Challenges Routine Use Of MRI Scans To Evaluate Breast Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/LZGQkTAW79c/090625202012.htm
Reviewing the records of 577 breast cancer patients, researchers found that women with newly diagnosed breast cancer who receive a breast MRI are more likely to receive a mastectomy after their diagnosis and may face delays in starting treatment. The study demonstrates that, despite the lack of evidence of their benefit, routine use of MRI scans in women newly diagnosed with breast cancer increased significantly between 2004 and 2005, and again in 2006.
Sat, 27 Jun 09
Electronic Help For Caregivers Monitoring Patients' Health And Whereabouts
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aPakkGJ2ig8/090626091136.htm
For those who are caring for elderly parents, peace of mind is hard to come by. And, for their parents, dignity is hard to retain. But researchers hopes to ease worries and frustrations by designing an affordable in-home health-monitoring system that will notify caregivers, via smartphones or PDAs, if their loved ones need attention.
Sat, 27 Jun 09
Diabetes Is Significant Economic Burden For US Health-care System
http://feeds.sciencedaily.com/~r/sciencedaily/~3/OB5K0gQbZGs/090625202004.htm
Excess medical expenses and reduced productivity due to diabetes costs the US economy more than $174 billion annually, a figure that could be reduced by lifestyle modifications and preventive care and by pay-for-performance incentives that reward improved disease management.
Sat, 27 Jun 09
'Neurologger' Reads Bird Brains In Flight
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BmGXhb7PtEM/090625133057.htm
Using a "neurologger" specially designed to record the brain activity of pigeons in flight, researchers have gained new insight into what goes through the birds' minds as they fly over familiar terrain. The study is the first to simultaneously record electrical brain activity integrated with large-scale navigational movements of free-flying birds, according to the researchers.
Sat, 27 Jun 09
Broad Therapy For Muscular Dystrophy
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DFsRkUIWRTg/090624210809.htm
Scientists have demonstrated that the glycosyltransferase Galgt2 can lessen symptoms in multiple models of muscular dystrophy. Muscular dystrophy is a group of inherited muscular disorders that are characterized by progressive skeletal muscle weakness, defects in muscle proteins, and the death of muscle cells and tissue.
Sat, 27 Jun 09
Best Possible Cut From Gemstones With New Machine
http://feeds.sciencedaily.com/~r/sciencedaily/~3/e7200G0Ibx8/090625074818.htm
Emeralds, rubies and the likes are referred to as colored gemstones by experts. They sparkle and shine with varying intensity, depending on the cut. A new machine can achieve the best possible cut and extract up to 30 per cent more precious stone from the raw material.
Sat, 27 Jun 09
Pushmi-pullyu Of B-cell Development Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_k3L02dpZQU/090625100351.htm
Scientists have identified two "molecular motors" that work in opposing directions to control the development of B cells in the immune system.
Sat, 27 Jun 09
Intelligent Wireless Systems Developed For Monitoring Cultural Monuments And Historical Structures
http://feeds.sciencedaily.com/~r/sciencedaily/~3/OvMti26Xg5s/090619130016.htm
Historical buildings and structures should be maintained as cultural monuments in their rich architecture and with preferably authentic materials for the coming generations. Scientists have now developed an intelligent wireless systems for the long-term monitoring of historical buildings.
Sat, 27 Jun 09
Anxiety’s Hidden Cost In Academic Performance
http://feeds.sciencedaily.com/~r/sciencedaily/~3/A8L1S2ypep4/090623090713.htm
The effect of anxiety on academic performance is not always obvious. But new research suggests that there may be hidden costs. The study found that anxious individuals find it harder to avoid distractions and take more time to turn their attention from one task to the next than their less anxious peers.
Sat, 27 Jun 09
High Carbon Dioxide Levels Cause Abnormally Large Fish Ear Bones
http://feeds.sciencedaily.com/~r/sciencedaily/~3/OdroMiZUGCg/090625141450.htm
Rising carbon dioxide levels in the ocean have been shown to adversely affect shell-forming creatures and corals, and now a new study has shown for the first time that carbon dioxide can impact a fundamental bodily structure in fish.
Sat, 27 Jun 09
Tiny Levels Of Carbon Monoxide Damage Fetal Brain
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DGQco9GvdVY/090625100625.htm
A new study has discovered that chronic exposure during pregnancy to minuscule levels of carbon monoxide damages the cells of the fetal brain, resulting in permanent impairment.
Sat, 27 Jun 09
Explosives Prevent Technology Theft
http://feeds.sciencedaily.com/~r/sciencedaily/~3/IgXfyyP1XWo/090625074637.htm
Product piracy causes billions worth of damage worldwide. A combination of visible and invisible copy protection is really effective against this. Explosive embossing is an economical procedure and can be used for mass-produced goods.
Sat, 27 Jun 09
New Piece Found In Colorectal Cancer Puzzle
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xuc-yDS2184/090624193457.htm
Prostasin, a relatively unknown protease enzyme expressed in most epithelial cells, may play a role in the genesis of colorectal cancer. Researchers have associated a reduction in the expression of inhibitors of the enzyme with malignant cellular behavior.
Sat, 27 Jun 09
Carbon Footprint Calculator Enables First-ever Country By Country Comparison
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FbxTuTUXeHg/090622064809.htm
A first-ever analysis and comparison of the carbon footprints of different countries using a single, trade-linked model has been created.
Sat, 27 Jun 09
Neurological Differences Support Dyslexia Subtypes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/yt6N9d7DbJk/090624193502.htm
Parts of the right hemisphere of the brains of people with dyslexia have been shown to differ from those of normal readers. Researchers used magnetic resonance imaging to compare the two groups, and were able to associate the neurological differences found with different language difficulties within the dyslexic group.
Fri, 26 Jun 09
Milky Way's Particle Accelerators: Cosmic Rays Accelerated In Remnants Of Exploding Stars
http://feeds.sciencedaily.com/~r/sciencedaily/~3/lfCeZLDhld8/090625141454.htm
Astronomers have now solved a long-standing mystery of the Milky Way's particle accelerators. They show that cosmic rays from our galaxy are very efficiently accelerated in the remnants of exploded stars.
Fri, 26 Jun 09
Engineering Autism: Mice With Extra Chromosome Region Show Many Autistic Signs
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kDbjrlYmYPk/090625133053.htm
Mice who inherit a particular chromosomal duplication from their fathers show many behaviors associated with human autism, researchers report. The duplicated chromosomal region in mice is the equivalent of human chromosome 15q11-13, the most frequent cytogenetic abnormality observed in autism, accounting for some five percent of all cases.
Fri, 26 Jun 09
From The Glass To The Brain In Six Minutes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Io6poI7bkK4/090615144339.htm
Just one drink can quickly go to your head. Researchers tested this well-known adage. Only six minutes after consuming an amount of alcohol equivalent to three glasses of beer or two glasses of wine, leading to a blood alcohol level of 0.05 to 0.06 percent, changes have already taken place in the brain cells, as the scientists have now shown using magnetic resonance spectroscopy.
Fri, 26 Jun 09
Protein That Protects Sperm, Reduces Miscarriage Rates Identified
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kOW5x7YPx_0/090622171401.htm
Researchers have identified a protein that helps protect immature mouse sperm from oxidative stress. When male mice over one year old lacking this protein were mated with normal female mice, an increased incidence of miscarriages and fetal developmental defects were observed. These data have clinical relevance, as age-related DNA damage to human sperm is associated with decreased fertility and increased rates of miscarriage and childhood disease.
Fri, 26 Jun 09
Fuzzy Dampers Could Make Cars Quieter
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ahOu3RqZsXY/090625074510.htm
New research could offer a solution to one of the most annoying sounds on our roads -- brake squeal. There are lots of mechanical myths about what causes a car's brakes to produce that biting howl. The all too familiar piercing squeal is heard at road junctions and traffic lights the world over as drivers hit the brakes. But, understanding what causes brake squeal might help researchers find a way to stop it.
Fri, 26 Jun 09
In 'Reading' A Gaze, What We Believe Changes What We See
http://feeds.sciencedaily.com/~r/sciencedaily/~3/CgiIePTQLMo/090625133049.htm
In primates including ourselves, the ability to register where others are looking is key in social circles. And, according to a new report, the way our brains process gaze-direction is much more sophisticated than a simple eyes-right vs. eyes-left.
Fri, 26 Jun 09
New Fossil Tells How Piranhas Got Their Teeth
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DXvx_fG9PSI/090625201822.htm
Previously unknown fossil fish bridges the evolutionary gap between flesh-eating piranhas and their plant-eating cousins.
Fri, 26 Jun 09
Fish Protein Link To Controlling High Blood Pressure
http://feeds.sciencedaily.com/~r/sciencedaily/~3/GFf_8M-mwxg/090622064716.htm
Medical scientists are investigating how a species of fish from the Pacific Ocean could help provide answers to tackling chronic conditions such as hereditary high blood pressure and kidney disease. They are examining whether the Goby fish can help researchers locate genes linked to high blood pressure. This is because a protein called Urotensin II, first identified in the fish, is important for regulating blood pressure in all vertebrates- from fish to humans.
Fri, 26 Jun 09
Chemical In Blood May Explain Susceptibility To Bladder Pain
http://feeds.sciencedaily.com/~r/sciencedaily/~3/wrDywVTRsKo/090615144323.htm
A marker in the blood of both cats and humans that was identified in a recent study might signal both species' susceptibility for a painful bladder disorder called interstitial cystitis, a condition that is often difficult to diagnose.
Fri, 26 Jun 09
Unique Portion Of Enzyme Fights Lung Infection
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DMwQUOdWbAM/090617131358.htm
An enzyme known to play a key role in the development of emphysema serves as the first line of defense against bacterial infection of the lung, according to researchers. They also found that the antimicrobial activity comes from a small portion of the enzyme that is structurally and sequentially unique in nature.
Fri, 26 Jun 09
Roadsters Embrace Green Racing
http://feeds.sciencedaily.com/~r/sciencedaily/~3/hkC_vfK3Q2E/090625100341.htm
Green racing is now part of the American Le Mans series. It's auto racing where the prize goes to the fastest car with the smallest environmental footprint. But being green does not mean being slow; green race cars are still 200 mph+ cars. The hope is that the concept will lead to more energy-efficient cars for consumers.
Fri, 26 Jun 09
Cognitive Therapy Is Of No Value In Schizophrenia, Analysis Of Studies Suggests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DOXlXpbzhlU/090625074512.htm
New research concludes that cognitive behavioral therapy is of no value in schizophrenia and has limited effect on depression.
Fri, 26 Jun 09
Like Burrs On Your Clothes, Molecule-size Capsules Can Deliver Drugs By Sticking To Targeted Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/E5b2xV6fk84/090625152927.htm
It is now possible to engineer tiny containers the size of a virus to deliver drugs and other materials with almost 100 percent efficiency to targeted cells in the bloodstream.
Fri, 26 Jun 09
Melanopsin And Sleep Modulation: A Bright Future For Light Therapy?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/40o-4oUdy7Q/090622064714.htm
Light strongly influences human physiology and notably sleep regulation. Scientists have just published a detailed study on the role of melanopsin, a molecule involved in mediating the effects of light on sleep. These scientists also revealed evidence of new interactions between the different mechanisms acting on the duration and quality of sleep and alertness.
Fri, 26 Jun 09
Gene Evolution Process Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fVwmm0Rch5U/090615112217.htm
One of the mechanisms governing how our physical features and behavioral traits have evolved over centuries has been discovered.
Fri, 26 Jun 09
Second Chance For Dangerous T-cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MT-SL2lWRzs/090615161713.htm
Any of the immune system's T-cells that could attack the body's own tissue are either driven to cell death or reeducated to become a kind of law enforcer that could actually be used in therapies. Which of these alternatives occurs may depend on the age of the cells, according to new research.
Fri, 26 Jun 09
Virus Filters For Medical Diagnosis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/lhNFvOP0V-o/090625074820.htm
In biomedicine and biotechnology the smallest, complex, compound sample quantities must be reliably processed. Microsystems with new mechanisms of action for pumping, filtering and separating will manage this task with great efficiency in the future.
Fri, 26 Jun 09
Online Ethics And The Bloggers' Code Revealed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ewnrvSLCCTI/090625133220.htm
Whatever their reason for posting their thoughts online, bloggers have a shared ethical code, according to a recent study. Key issues in the blogosphere are telling the truth, accountability, minimizing harm and attribution, although the extent to which bloggers follow their own ethical ideals can depend on the context and intended audience.
Fri, 26 Jun 09
Stem Cells Created From Pigs' Connective Tissue Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4iK-3Ou23Jg/090625141508.htm
Scientists have developed the ability to take regular cells from a pig's connective tissues, known as fibroblasts, and transform them into stem cells, eliminating several of the hurdles associated with stem cell research.
Fri, 26 Jun 09
Gene Findings Revealing Reasons For Neuroblastoma Risk
http://feeds.sciencedaily.com/~r/sciencedaily/~3/PxcC8Dx9jZw/090617131352.htm
Two new studies advance the search for genetic events that result in neuroblastoma, a puzzling, often-deadly type of childhood cancer. Scientists performed a genome-wide association study to discover that common variants in the gene BARD1 increase a child's susceptibility to a high-risk form of neuroblastoma.
Fri, 26 Jun 09
New Images May Improve Vaccine Design For Deadly Rotavirus
http://feeds.sciencedaily.com/~r/sciencedaily/~3/U-Uzl667U20/090611142548.htm
Researchers are reporting the first detailed molecular snapshots of a deadly gastrointestinal virus as it is caught in the grasp of an immune system molecule with the capacity to destroy it. The images could help scientists design a more effective vaccine against rotavirus, a lethal infection that kills more than 500,000 children worldwide each year.
Fri, 26 Jun 09
Therapeutic Delivery Of A Gene To Dysfunctional Nerves
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ZWM270FpVP8/090615171509.htm
In many sensory neuronopathies, painful conditions affecting sensory nerves outside the brain and spinal cord, the affected nerves are in a region known as the DRG. These conditions are difficult to treat. However, researchers have now developed an approach to target therapeutic genes to DRG nerves, and used it to reduce sensory nerve dysfunction in a mouse model of Sandhoff disease, an inherited condition in which many nerves, including those in the DRG, are affected.
Fri, 26 Jun 09
Global Sunscreen Won't Save Corals
http://feeds.sciencedaily.com/~r/sciencedaily/~3/QmzzE_cHHcs/090616133938.htm
Emergency plans to counteract global warming by artificially shading the Earth from incoming sunlight might lower the planet's temperature a few degrees, but such "geoengineering" solutions would do little to stop the acidification of the world oceans that threatens coral reefs and other marine life, report the authors of a new study. The culprit is atmospheric carbon dioxide, which even in a cooler globe will continue to be absorbed by seawater, creating acidic conditions.
Fri, 26 Jun 09
Experts: Big Tobacco Dead By 2047, Possibly Sooner
http://feeds.sciencedaily.com/~r/sciencedaily/~3/wBjjYtVkXR0/090625201818.htm
President Barack Obama's signature on a bill this week to grant the US Food and Drug Administration regulatory authority over tobacco was historic, and represents a step in the march to eliminate tobacco use in this country by 2047, two national tobacco experts said today.
Fri, 26 Jun 09
Climate Change: Some Winds Decreasing Across United States
http://feeds.sciencedaily.com/~r/sciencedaily/~3/5PGipC5Md18/090625202010.htm
Researchers have found that wind speeds across the U.S. have decreased by an average of .5 percent to 1 percent per year since 1973. Declining wind speeds in parts of the United States could impact more than the wind power industry, say climate researchers.
Fri, 26 Jun 09
New Nanoparticles Could Revolutionize Therapeutic Drug Discovery
http://feeds.sciencedaily.com/~r/sciencedaily/~3/05GVmBlzZDA/090625074635.htm
A revolutionary new protein stabilization technique has been developed which could lead to 30 per cent more proteins being available as potential targets for drug development - opening up exciting possibilities in drug discovery.
Fri, 26 Jun 09
Flexible Solar Strips Light Up Campus Bus Shelter
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xVUyuSbXHBo/090612122011.htm
Engineering researchers in Canada have developed a tiling technique to create flexible solar cell panels. It is being tested on the curved roof of a campus bus shelter to power interior lighting.
Fri, 26 Jun 09
Genomic Discovery: Protecting Kidney Function During Heart Failure
http://feeds.sciencedaily.com/~r/sciencedaily/~3/tc3PM7fJyYM/090616103319.htm
Cardiology researchers have found a peptide that helps preserve and improve kidney function during heart failure, without affecting blood pressure.
Fri, 26 Jun 09
New Piece Found In The Puzzle Of Epigenetics: Mechanism Of Fine Regulation Of RNA Synthesis Elucidated
http://feeds.sciencedaily.com/~r/sciencedaily/~3/NtDcL-J_29E/090616080911.htm
Scientists have identified the enzyme TFIIH kinase as an important factor in the epigenetic regulation of the cell nucleus enzyme RNA polymerase II. The findings constitute a further building block for understanding the pathomechanisms of cancer and other diseases.
Fri, 26 Jun 09
Partner Issues Significantly Influence Women's Sexual Activity In Later Years, Study Shows
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xz0qCP45Ivc/090625141504.htm
As a woman gets older, physical problems are less likely to influence whether she is sexually active than her partner's health or interest in sex, according to a new study.
Fri, 26 Jun 09
Ancient Climate Change: When Palm Trees Gave Way To Spruce Trees
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-lZhpAWcHU0/090617131356.htm
One long-standing climate puzzle relates to the Late Eocene and Early Oligocene. Profound changes were underway. Globally, carbon dioxide levels were falling and the hothouse warmth of the dinosaur age and Eocene Period was waning. In Antarctica, ice sheets had formed and covered much of the southern polar continent. But what exactly was happening on land, in northern latitudes?
Fri, 26 Jun 09
New And Efficient Breast Biopsy Technique Developed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/W4ugHoXsDAU/090623133527.htm
Researchers have developed a new breast biopsy technique that could lead to decreased procedure times, and reduced patient discomfort and morbidity, according to a new study. The new technique uses a mechanical arm to guide the needle for the biopsy, and has a braking system to allow for accurate placement of the needle and to avoid needle motion.
Fri, 26 Jun 09
Concrete Creep Slowed: Work Paves Way For Lightweight, Vastly More Durable Infrastructure
http://feeds.sciencedaily.com/~r/sciencedaily/~3/H3fVDg1NbSA/090615171507.htm
Civil engineers have for the first time identified what causes the most frequently used building material on earth -- concrete -- to gradually deform, decreasing its durability and shortening the lifespan of infrastructures such as bridges and nuclear waste containment vessels.
Fri, 26 Jun 09
Hodgkin Lymphoma Survivors Have Increased Risk Of Stroke And Transient Ischemic Attack
http://feeds.sciencedaily.com/~r/sciencedaily/~3/UkMaP5w7Fiw/090617161500.htm
Patients treated for Hodgkin lymphoma with radiation therapy have a substantially higher risk of stroke, according to a new study.
Fri, 26 Jun 09
New Java Programming Tools Employs Human-centered Design Techniques
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Ui3P9wprl18/090617104916.htm
Researchers have developed two new tools to help computer programmers select from among thousands of options within the application programming interfaces that are used to write applications in Java, today's most popular programming language.
Fri, 26 Jun 09
Changes In Brain Architecture May Be Driven By Different Cognitive Challenges
http://feeds.sciencedaily.com/~r/sciencedaily/~3/tbmRGhziGvI/090623165214.htm
Scientists trying to understand how the brains of animals evolve have found that evolutionary changes in brain structure reflect the types of social interactions and environmental stimuli different species face.
Fri, 26 Jun 09
Evolution Of A Contraceptive For Invasive Sea Lamprey
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_aZcIYCupI0/090625074411.htm
In addition to providing fundamental insights into the early evolution of the estrogen receptor, new research may lead to a contraceptive for female lampreys -- a jawless fish considered an invasive pest species in the Great Lakes region of the United States. This could prove important to the Great Lakes region, where lampreys aggressively consume trout, salmon, sturgeon and other game fish.
Fri, 26 Jun 09
Human Neurodegenerative Disorder Observed In Fruit Flies
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-rtIOmR6wqw/090622171501.htm
Scientists have created a genetically modified fruit fly that mimics key features of Charcot-Marie-Tooth disease, a common neurodegenerative disorder that strikes about one out of every 2,500 people in the United States.
Fri, 26 Jun 09
Visualizing Formation Of A New Synapse
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kMARUVPFQGA/090617154407.htm
A protein called neuroligin that is implicated in some forms of autism is critical to the construction of a working synapse, locking neurons together like "molecular Velcro," a new study has found.
Fri, 26 Jun 09
Promising Biomarker And Candidate Tumor Suppressor Gene Identified For Colorectal Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/CqzThf-cbsw/090617161502.htm
Researchers have identified a new candidate tumor suppressor gene in colorectal cancer and examined its use as a potential biomarker in stool samples, according to a new study.
Fri, 26 Jun 09
Insights Into How Climate Change Might Impact Species' Geographic Ranges
http://feeds.sciencedaily.com/~r/sciencedaily/~3/vN5J4jr9uGs/090623150617.htm
A new study offers interesting insights into how species may, or may not, change their geographic range (the place where they live on earth) under climate change.
Fri, 26 Jun 09
Patriotic Music May Close Minds, Children's Music May Open Them
http://feeds.sciencedaily.com/~r/sciencedaily/~3/nlzqP7SSKyI/090625115237.htm
The words to "Itsy Bitsy Spider" tell a simple story about an arachnid and a spout, but simply recalling the lines could initiate an unintentional attitude. That's the focus of new research into the behaviors elicited from the musical lyrics of common songs.
Fri, 26 Jun 09
Artificial Liver For Drug Tests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2bTMw_BKghs/090625074631.htm
The liver is one of the most important metabolizing organs in humans. Researchers have developed a model of the liver, which is viable outside the body and which is suitable for testing drugs.
Fri, 26 Jun 09
Effective Pain Treatment For Cancer Patients?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/oZwm_zM6ZIs/090625100347.htm
Cancer patients often suffer from severe pain that cannot be effectively treated with conventional medication. Researchers have found the possible reasons for this -- tumors release two signal substances that make nerve cells especially sensitive and enhance tumor growth. In animal tests, when the researchers blocked the effect of the signal substances on the nerve cells, the sensitivity of the nerve cells and tumor growth were reduced.
Fri, 26 Jun 09
Exposure To Phthalates May Be A Risk Factor For Low Birth Weight In Infants
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1bgX_dzC_1c/090625074408.htm
Many parents worry about their child's exposure to phthalates, the chemical compounds used as plasticizers in a wide variety of personal care products, children's toys and medical devices. Phthalate exposure can begin in the womb, and has been associated with negative changes in endocrine function. A new study examines the possibility that in utero phthalate exposure contributes to low birth weight in infants.
Fri, 26 Jun 09
Could Older Population Have Enough Exposure To Past H1N1 Flu Strains To Avoid Infection?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/rCdJQ-BtGbI/090618200931.htm
The outbreak of H1N1 in 1977 may have an impact on this pandemic. In the late 1970s, an influenza H1N1 appeared in humans. It had a pandemic-like spread that began in younger aged individuals.
Fri, 26 Jun 09
Lasers Can Lengthen Quantum Bit Memory By 1,000 Times
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0BId8lkLvOo/090624152824.htm
Physicists have found a way to drastically prolong the shelf life of quantum bits, the 0s and 1s of quantum computers.
Fri, 26 Jun 09
Childhood Physical Abuse Linked To Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/erZDHWtfvMU/090625111425.htm
Childhood physical abuse is associated with elevated rates of cancer in adulthood, according to a new study.
Thu, 25 Jun 09
Space Shuttle Science Shows How 1908 Tunguska Explosion Was Caused By A Comet
http://feeds.sciencedaily.com/~r/sciencedaily/~3/JxygnGkGo8E/090624152941.htm
The mysterious 1908 Tunguska explosion that leveled 830 square miles of Siberian forest was almost certainly caused by a comet entering the Earth's atmosphere, according to new research. The conclusion is supported by an unlikely source: the exhaust plume from the NASA space shuttle launched a century later.
Thu, 25 Jun 09
Imaging The Hypnotized Brain: Neural Mechanisms Of Suggested Paralysis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/EiIv2hvxFk8/090624153102.htm
Although there is no doubt that hypnosis can impact the mind and behavior, the underlying brain mechanisms are not well understood. Now, new research provides fascinating insight into the specific neural effect of the power of suggestion. A new study uncovers the influence of hypnotic paralysis on brain networks involved in internal representations and self imagery.
Thu, 25 Jun 09
Gene Predicts How Brain Responds To Fatigue, Human Study Shows
http://feeds.sciencedaily.com/~r/sciencedaily/~3/znABQQ2PTPI/090624153146.htm
New imaging research helps explain why sleep deprivation affects some people more than others. After staying awake all night, those who are genetically vulnerable to sleep loss showed reduced brain activity, while those who are genetically resilient showed expanded brain activity, the study found. The findings help explain individual differences in the ability to compensate for lack of sleep.
Thu, 25 Jun 09
Being Overweight, Obese During Early Adulthood Associated With Greater Risk Of Pancreatic Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ffVojp9q5Iw/090623163656.htm
In reviewing the weight history of pancreatic cancer patients across their life spans, researchers have determined that a high body mass index in early adulthood may play a significant role in an individual developing the disease at an earlier age.
Thu, 25 Jun 09
DNA Sudoku: Logic Of 'Sudoku' Math Puzzle Used To Vastly Enhance Genome-sequencing Capability
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_TRgscxPdL0/090624153112.htm
Combining a 2,000-year-old Chinese math theorem with concepts from cryptology, scientists have devised "DNA Sudoku" -- a pooling strategy that allows tens of thousands of DNA samples to be combined and sequenced all at once. The new strategy promises to reduce costs dramatically, with sequencing projects that cost $10 million in the past now estimated to cost less than $80,000.
Thu, 25 Jun 09
U.S. Seniors 'Smarter' Than English Seniors
http://feeds.sciencedaily.com/~r/sciencedaily/~3/vP0RQ3W-m_Q/090624193504.htm
The first international comparison of cognitive function in nationally representative samples of older adults in the US and England has revealed that US seniors performed significantly better that their English counterparts.
Thu, 25 Jun 09
Paleolithic Bone Flute Discovered: Earliest Musical Tradition Documented In Southwestern Germany
http://feeds.sciencedaily.com/~r/sciencedaily/~3/XzPpAThd-JE/090624213346.htm
New evidence for Paleolithic music in the form of the remains of one nearly complete bone flute and isolated small fragments of three ivory flutes has been discovered.
Thu, 25 Jun 09
New Approach To Treating Heart Attacks Reduces Risk Of Life-threatening Complications
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cWTkqd0ubts/090624193506.htm
Transferring heart attack patients to specialized hospitals to undergo angioplasty within six hours after receiving clot-busting drugs reduces the risk of life-threatening complications including repeat heart attacks, according to a new study.
Thu, 25 Jun 09
A Breath Mint Made From ... Coffee?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/G1Aet7agTsQ/090624152830.htm
We all know why Starbucks puts boxes of breath mints close to the cash register. Your morning latte can create a startling aroma in your mouth, strong enough to startle your co-workers too. But, surprisingly breath specialist have found that a coffee extract can inhibit the bacteria that lead to bad breath. New laboratory tests have shown that the extract prevents malodorous bacteria from making their presence felt -- or smelt.
Thu, 25 Jun 09
New Approach For Treating Recurrent Prostate Cancer On The Horizon
http://feeds.sciencedaily.com/~r/sciencedaily/~3/QyeWS5FrRxg/090615144203.htm
A new study shows that an alpha-particle emitting radiopeptide -- radioactive material bound to a synthetic peptide, a component of protein -- is effective for treating prostate cancer in mice, according to researchers.
Thu, 25 Jun 09
New Instrument Has Potential To Detect Water Deep Underground On Mars
http://feeds.sciencedaily.com/~r/sciencedaily/~3/c275CvL04hU/090624152952.htm
With the whoosh of compressed gas and the whir of unspooling wire, a team of scientists and engineers tested a new instrument prototype that might be used to detect groundwater deep inside Mars.
Thu, 25 Jun 09
Contracts Without Lawyers?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/uLzMXe9KVd8/090619130014.htm
Computer systems that dynamically create, monitor, manage or suspend online contractual agreements are being developed to deliver greater reliability and security to service-oriented e-business applications.
Thu, 25 Jun 09
Galaxies Coming Of Age In Cosmic Blobs
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fYEBsbzRZ-s/090624152826.htm
The "coming of age" of galaxies and black holes has been pinpointed, thanks to new data from NASA's Chandra X-ray Observatory and other telescopes. This discovery helps resolve the true nature of gigantic blobs of gas observed around very young galaxies.
Thu, 25 Jun 09
Anti-inflammatory Drugs May Defeat Treatment-resistant Type Of Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/5dF9od5L3ps/090624161636.htm
Effective drugs for treating a chemotherapy-resistant form of lymphoma might already be on the market according to a study that has pieced together a chemical pathway involved in the disease. By following the trail of several molecular flags that mark this type of cancer, researchers have discovered that anti-inflammatory drugs used to treat arthritis will shrink lymphoma tumors in mice.
Thu, 25 Jun 09
Latest In Technology Looks Into Some Old Bones
http://feeds.sciencedaily.com/~r/sciencedaily/~3/rPobwQrXxRo/090612202952.htm
Many of us have broken bones in our bodies at one time or another, and when this happens a healing process begins. The same was true of animals in the past, and has been well documented in all groups of dinosaurs. But how can we study and understand the healing process?
Thu, 25 Jun 09
Paving Way For Treatments To Delay Early Multiple Births
http://feeds.sciencedaily.com/~r/sciencedaily/~3/R9VCu2oo8K4/090610192439.htm
A treatment that prevents premature births in single pregnancies may be ineffective in women expecting more than one child, a study has shown. The study suggests an underlying difference between the way in which premature births occur in women with single and multiple pregnancies.
Thu, 25 Jun 09
Hurricanes: Increased Technology Offers Better Ways For Officials And Public To See The Storm Ahead
http://feeds.sciencedaily.com/~r/sciencedaily/~3/RhkdzVjKDLo/090612163535.htm
The Wave-Current-Surge Information System for Coastal Louisiana now offers graphic, easy-to-understand model outputs projecting wave height, current depths and tracks, salinity ratios and water temperature measurements that not only provide state-of-the-art guidance to emergency management officials, but also give federal and state agencies new and improved ways to test their own modeling accuracy.
Thu, 25 Jun 09
Measuring Intellectual Disability
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kvmm29_7bvk/090624093309.htm
Researchers have developed a specific and quantitative means of measuring levels of the fragile X mental retardation 1 protein, which is mutated in fragile X syndrome.
Thu, 25 Jun 09
First Acoustic Metamaterial 'Superlens' Created
http://feeds.sciencedaily.com/~r/sciencedaily/~3/iuO70tjtT2c/090624153116.htm
Scientists have created the world's first acoustic "superlens," an innovation that could have practical implications for high-resolution ultrasound imaging, non-destructive structural testing of buildings and bridges, and novel underwater stealth technology.
Thu, 25 Jun 09
Cupping Therapy Alleviates Carpal Tunnel Syndrome Pain
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_7MpRKt7nbg/090616190512.htm
An external suction technique mainly used outside the U.S., called cupping, is effective for providing temporary relief of pain from carpal tunnel syndrome, according to a new study.
Thu, 25 Jun 09
Boosting Newborns’ Immune Responses
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bQYnaaVV4Vk/090612201946.htm
Newborn babies have immature immune systems, making them highly vulnerable to severe infections and unable to mount an effective immune response to most vaccines, thereby frustrating efforts to protect them. Researchers believe they have found a way to enhance the immune system at birth and boost newborns' vaccine responses, making infections like respiratory syncytial virus, pneumococcus and rotavirus much less of a threat.
Thu, 25 Jun 09
Spintronic – The New Electronic?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ucIc77-KkM0/090617080717.htm
Spintronic devices have created enormous advances in microelectronics, leading to faster, instant-on start times and orders-of-magnitude increases in data storage capacity. Spintronics is short for spin transport electronics – electronic devices that use the spin of an electron to carry information.
Thu, 25 Jun 09
Irritability Should Be Considered When Diagnosing Bipolar Disorder In Children
http://feeds.sciencedaily.com/~r/sciencedaily/~3/WHLONtxIjoo/090624152943.htm
Diagnosing children with bipolar disorder is challenging and controversial. Some children with bipolar disorder are diagnosed based on irritable mood alone. Findings support current diagnostic criteria.
Thu, 25 Jun 09
Streaming Sand Grains Help Define Essence Of A Liquid
http://feeds.sciencedaily.com/~r/sciencedaily/~3/L53whR5rWeM/090624152946.htm
Researchers recently showed that dry granular materials such as sands, seeds and grains have properties similar to liquid, forming water-like droplets when poured from a given source. The finding could be important to a wide range of industries that use "fluidized" dry particles for oil refining, plastics manufacturing and pharmaceutical production.
Thu, 25 Jun 09
Carbon Monoxide, Although Toxic, Prevents Clotting In Mice
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6kSc5Qgkg28/090624211028.htm
Researchers have found that carbon monoxide (CO) can protect against arterial clotting in mice.
Thu, 25 Jun 09
Tracking Down The Causes Of Multiple Sclerosis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/XIPgPFbntr4/090610133503.htm
Despite intensive research, the factors that trigger multiple sclerosis and influence its progress remain unclear. Scientists have succeeded in attaining three important new insights into the disease. It would appear that B cells play an unexpected role in the spontaneous development of multiple sclerosis and that particularly aggressive T cells are activated by different proteins.
Thu, 25 Jun 09
Identifying The Potential For Tamoxifen Resistance In Patients
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1wv6swes_pY/090610185528.htm
Tamoxifen is a widely used and highly successful drug in the treatment of breast cancer, though resistance to tamoxifen is still a concern in recurrent disease, since therapy resistant metastatic tumor cells are a major cause of death. Now, researchers have uncovered a protein profile that may accurately predict whether a cancer will be tamoxifen resistant.
Thu, 25 Jun 09
Basis For Potato Blight Control Becomes Visible
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Ox01V1U8ya4/090615111757.htm
Potato blight, false mildew, sudden oak death and a disease in salmon are all caused by a group of miniscule, yet destructive, organisms called Oomycetes. Because of their changeability and huge numbers, they are able to overwhelm the defence mechanisms of both plants and animals. The use of chemicals is usually the only remedy but this is also undesirable. Will future research offer a sustainable means of combating these blights and preventing failed harvests?
Thu, 25 Jun 09
How Adolescent Girls Manage Stress
http://feeds.sciencedaily.com/~r/sciencedaily/~3/sJuOjmqFkdo/090623150133.htm
Greater influence over everyday life, emotional support, and cultural and recreational activities help to enable teenage girls to withstand stress.
Thu, 25 Jun 09
Wildlife Faces Cancer Threat
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fLPSRJRpnV0/090624102255.htm
While cancer touches the lives of many humans, it is also a major threat to wild animal populations as well, according to a recent study. A new article compiles information on cancer in wildlife and suggests that cancer poses a conservation threat to certain species.
Thu, 25 Jun 09
Simple Measures May Prevent Transmission Of Stomach Ulcer Bacteria
http://feeds.sciencedaily.com/~r/sciencedaily/~3/WoMEyeYGq18/090624111915.htm
The stomach ulcer bacterium Helicobacter pylori is not transmitted through drinking water as previously thought, but rather through vomit and possibly feces. It is therefore possible to prevent the spread of the bacterium in developing countries through some fairly simple measures.
Thu, 25 Jun 09
Salt Block Unexpectedly Stretches
http://feeds.sciencedaily.com/~r/sciencedaily/~3/XldRPoYFix8/090624093317.htm
To stretch a supply of salt generally means using it sparingly. But researchers were startled when they found they had made the solid actually physically stretch.
Thu, 25 Jun 09
More Patients Across The World Lowering 'Bad' Cholesterol
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-v2z739W1j0/090622163029.htm
More people in the past decade have lowered their level of "bad" LDL cholesterol to acceptable ranges. In the United States, the overall compliance rate of LDL at target levels has nearly doubled since 1996. About one third of high-risk patients still need to attain LDL goals through adequate treatment.
Thu, 25 Jun 09
Nickel Isotope May Be Methane Producing Microbe Biomarker
http://feeds.sciencedaily.com/~r/sciencedaily/~3/IPrq1yBRYt4/090622171511.htm
Nickel, an important trace nutrient for the single cell organisms that produce methane, may be a useful isotopic marker to pinpoint the past origins of these methanogenic microbes, according to researchers.
Thu, 25 Jun 09
Emotional Cost Of Nursing
http://feeds.sciencedaily.com/~r/sciencedaily/~3/hHZMFfnI9PI/090623090701.htm
What are the costs of caring? A new project explores nurses’ experience of distress and aims to determine if empathy with patients is associated with traumatic experience in nurses.
Thu, 25 Jun 09
Salt Finding From NASA's Cassini Hints At Ocean Within Saturn Moon
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Au6uaTDpygo/090624152815.htm
For the first time, scientists working on NASA's Cassini mission have detected sodium salts in ice grains of Saturn's outermost ring. Detecting salty ice indicates that Saturn's moon Enceladus, which primarily replenishes the ring with material from discharging jets, could harbor a reservoir of liquid water -- perhaps an ocean -- beneath its surface.
Thu, 25 Jun 09
Novel Cancer Gene And Biomarker Pinpointed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/33sM7yJFGJ8/090624152808.htm
Scientists' discovery of a cancer-causing gene -- the first in its family to be linked to cancer -- demonstrates how the panoramic view of genomics and the close-up perspective of molecular biology are needed to determine which genes are involved in cancer and which are mere bystanders.
Thu, 25 Jun 09
Jets On Saturn's Moon Enceladus Not Geysers From Underground Ocean, One Group Of Researchers Say
http://feeds.sciencedaily.com/~r/sciencedaily/~3/LW6rf5ivjDk/090624152813.htm
Water vapor jets that spew from the surface of Saturn's icy moon Enceladus are not really geysers from an underground ocean as initially envisioned by planetary scientists, according to a new study.
Thu, 25 Jun 09
Trapping Immune Cells In The Uterus Prevents Anti-fetal Immunity
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MnpF2DWLuTs/090622171403.htm
Why the immune system of a pregnant woman does not attack her developing fetus is one of most remarkable features of pregnancy, and several underlying mechanisms have been described. Scientists have now identified a new mechanism to explain why the mouse maternal immune system does not attack the fetuses.
Thu, 25 Jun 09
Algorithm Charts Evolution Of Genetic Networks During Fruit Fly Life Cycle
http://feeds.sciencedaily.com/~r/sciencedaily/~3/A1DFom0-7oE/090622171505.htm
A new algorithm developed by computer scientists has revealed for the first time how genetic networks in the fruit fly, Drosophila melanogaster, evolve during the insect's life cycle. The new algorithm, called Tesla, incorporates machine learning techniques that enable researchers to figure out how the rewiring of those networks takes place as the insect develops.
Thu, 25 Jun 09
Smoking More Than Five Cigarettes A Day May Provoke Migraine Attacks
http://feeds.sciencedaily.com/~r/sciencedaily/~3/054HpWZ8T5I/090624102257.htm
Tobacco acts as a precipitating factor for headaches, specifically migraines. This is indicated in a study which shows that smokers have more migraine attacks and that smoking more than five cigarettes a day triggers this headache.
Thu, 25 Jun 09
Longer Life Linked To Specific Foods In Mediterranean Diet
http://feeds.sciencedaily.com/~r/sciencedaily/~3/s7GgFkx6Uq4/090624093353.htm
Some food groups in the Mediterranean diet are more important than others in promoting health and longer life according to new research.
Thu, 25 Jun 09
Ebola Infection Blocked In Cell-culture Experiments
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2GHd9mm2YdI/090623172940.htm
Researchers have discovered two biochemical pathways that the Ebola virus relies on to infect cells. Using substances that block the activation of those pathways, they've prevented Ebola infection in cell culture experiments -- potentially providing a critical early step in developing the first successful therapy for the deadly virus.
Thu, 25 Jun 09
New 'Electronic Glue' Promises Less Expensive Semiconductors
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_ZpssGeVjSM/090611142400.htm
Researchers have developed an "electronic glue" that could accelerate advances in semiconductor-based technologies, including solar cells and thermoelectric devices that convert sun light and waste heat, respectively, into useful electrical energy.
Thu, 25 Jun 09
Sleep Apnea Occurring During REM Sleep Is Significantly Associated With Type 2 Diabetes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/rOwDecXp_3w/090615112229.htm
Scientists found a statistically significant relationship between obstructive sleep apnea episodes occurring during rapid eye movement (REM) sleep and type 2 diabetes.
Thu, 25 Jun 09
Ozone Hole Reduces Atmospheric Carbon Dioxide Uptake In Southern Ocean
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ySn4NyacImI/090624093458.htm
Does ozone have an impact on the ocean’s role as a “carbon sink”? Yes, according to researchers. Using original simulations, they have demonstrated that the hole in the ozone layer reduces atmospheric carbon uptake in the Southern Ocean and contributes to the increase in ocean acidity. These results should have a considerable impact on future models of the IPCC, which do not currently take ozone variations into account.
Thu, 25 Jun 09
Schizophrenic's 'Automatic Pilot' Still Works, But Processing New Information Causes Problems
http://feeds.sciencedaily.com/~r/sciencedaily/~3/KAXRfc8-JQE/090622194346.htm
Answering a phone call while cooking dinner ... walking to work while texting ... driving while listening to the radio -- all without having to think about it. After plenty of practice, people can do a lot of things on automatic pilot and simultaneously. However, for people with schizophrenia that is a different story. Researchers investigated whether a disruption to the automation process, learning by repetition to do something on automatic pilot, explains why people with schizophrenia can process less information.
Wed, 24 Jun 09
Ability To Literally Imagine Oneself In Another's Shoes May Be Tied To Empathy
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BvC3dGa4OAE/090623120837.htm
New research indicates the way our brain handles how we move through space -- including being able to imagine literally stepping into someone else's shoes -- may be related to how and why we experience empathy toward others.
Wed, 24 Jun 09
New Therapy Found To Prevent Heart Failure In Many Patients
http://feeds.sciencedaily.com/~r/sciencedaily/~3/9HdJEeB1w-c/090623143056.htm
A landmark study has successfully demonstrated a 29 percent reduction in heart failure or death in patients with heart disease who received an implanted cardiac resynchronization therapy device with defibrillator (CRT-D) vs. patients who received only an implanted cardiac defibrillator (ICD-only).
Wed, 24 Jun 09
Autonomous Robot Detects Shrapnel In Flesh
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bA4_h7vXvLA/090618125037.htm
Bioengineers have developed a laboratory robot that can successfully locate tiny pieces of metal within flesh and guide a needle to its exact location --- all without the need for human assistance.
Wed, 24 Jun 09
Genetic Markers To Help Fight Diabetes Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/mipPq3okXJk/090616103215.htm
Scientists have identified five genetic biomarkers that could help lead to improved treatments, with fewer side effects, for patients with diabetes.
Wed, 24 Jun 09
Feather Fibers Fluff Up Hydrogen Storage Capacity
http://feeds.sciencedaily.com/~r/sciencedaily/~3/gpJNewJko_k/090623120833.htm
Scientists in Delaware say they have developed a new hydrogen storage method -- carbonized chicken feather fibers -- that can hold vast amounts of hydrogen, a promising but difficult to corral fuel source, and do it at a far lower cost than other hydrogen storage systems under consideration.
Wed, 24 Jun 09
Brain Represents Tools As Temporary Body Parts, Study Confirms
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BptkyWBBtHU/090622121232.htm
Researchers have what they say is the first direct proof of a very old idea: that when we use a tool -- even for just a few minutes -- it changes the way our brain represents the size of our body. In other words, the tool becomes a part of what is known in psychology as our body schema.
Wed, 24 Jun 09
‘Chemical Nose’ May Sniff Out Cancer Earlier
http://feeds.sciencedaily.com/~r/sciencedaily/~3/tRNzLj_koGE/090623164539.htm
Using a "chemical nose" array of nanoparticles and polymers, researchers have developed a fundamentally new, more effective way to differentiate not only between healthy and cancerous cells but also between metastatic and non-metastatic cancer cells. It's a tool that could revolutionize cancer detection and treatment, according to chemists.
Wed, 24 Jun 09
Early Infection And Protection Against Allergies?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/iJ5f5JmoW-0/090623150129.htm
Allergies have become more common in the last few decades. It is still not fully clear why certain people develop allergies, but a strong risk factor is if the mother is allergic. Also, changes in life style are seen as playing a major role and several studies indicate that early exposure to bacteria and viruses may reduce the risk of allergies later in life.
Wed, 24 Jun 09
World's Fastest And Most Sensitive Astronomical Camera
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_3xOlDOZQrg/090618125035.htm
The next generation of instruments for ground-based telescopes took a leap forward with the development of a new ultra-fast camera that can take 1,500 finely exposed images per second even when observing extremely faint objects. The first 240x240 pixel images with the world's fastest high precision faint light camera were just obtained.
Wed, 24 Jun 09
Pneumococcal Vaccine Reduces Child Deaths In Developing Countries
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2kTn8djBFJY/090616080149.htm
A new trial has found that pneumococcal vaccine is effective in preventing severe pneumonia, the leading cause of death among children in developing countries. The large scale efficacy trial – first of its kind in Asia - was carried out in the Philippines to investigate the effect of an investigational pneumococcal vaccine.
Wed, 24 Jun 09
NASA Lunar Mission Successfully Enters Moon Orbit
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1ISrojxFOGo/090623235038.htm
After a four and a half day journey from the Earth, the Lunar Reconnaissance Orbiter, or LRO, has successfully entered orbit around the moon. Engineers at NASA's Goddard Space Flight Center in Greenbelt, Md., confirmed the spacecraft's lunar orbit insertion at 6:27 a.m. EDT Tuesday.
Wed, 24 Jun 09
How To Text Message And Avoid Sore Thumbs, Neck And Hands
http://feeds.sciencedaily.com/~r/sciencedaily/~3/x3bI8_EMC_E/090623150131.htm
While it is well known that excessive text messaging can result in sore thumbs, less is known about its possible effects on the neck, arms and hands. Young adults with symptoms in these parts of the body use a different technique when texting.
Wed, 24 Jun 09
Large 2009 Gulf Of Mexico 'Dead Zone' Predicted
http://feeds.sciencedaily.com/~r/sciencedaily/~3/8T5vHH17p2I/090618124956.htm
Aquatic ecologists say this year's Gulf of Mexico "dead zone" could be one of the largest on record, continuing a decades-long trend that threatens the health of a half-billion-dollar fishery.
Wed, 24 Jun 09
Migraines With Aura In Midlife Associated With Increased Prevalence Of Brain Lesions In Older Age
http://feeds.sciencedaily.com/~r/sciencedaily/~3/eHH8G8RXfoQ/090623163647.htm
Middle-aged women who had migraine headaches with aura (sensory disturbances, such as with vision, balance or speech) had a higher prevalence of brain lesions when they were older, compared to individuals without similar types of headaches.
Wed, 24 Jun 09
Link Between Light Touch And Merkel Cells Solves 100-year Mystery
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MK8FYOf4rkY/090618143956.htm
Light touch -- the sense that lets musicians find the right notes on a keyboard, a seamstress revel in the feel of cool silk, the artisan feel a curve in material and the blind read Braille -- truly depends on the activity of Merkel cells usually found in crescent-shaped clusters in the skin.
Wed, 24 Jun 09
Biomarkers Predict Brain Tumor's Response To Therapy
http://feeds.sciencedaily.com/~r/sciencedaily/~3/OYpZ0VYXneA/090623133520.htm
A new biomarker may be useful in identifying patients with recurrent glioblastoma, or brain tumors, who would respond better to anti-vascular endothelial growth factor therapy, specifically cediranib.
Wed, 24 Jun 09
NASA Moon Impactor Successfully Completes Lunar Maneuver
http://feeds.sciencedaily.com/~r/sciencedaily/~3/zi8fMDPOICI/090623235413.htm
The Lunar Crater Observation and Sensing Satellite, or LCROSS, successfully completed its most significant early mission milestone Tuesday with a lunar swingby and calibration of its science instruments. The satellite will search for water ice in a permanently shadowed crater at the moon's south pole.
Wed, 24 Jun 09
Less Frequent Social Activity Linked To More Rapid Loss Of Motor Function In Older Adults
http://feeds.sciencedaily.com/~r/sciencedaily/~3/3lt1LO-x95Y/090622163015.htm
Researchers have found that, among the elderly, less frequent participation in social activities is associated with a more rapid decline in motor function. The data raise the possibility that motor decline can be slowed, and its adverse health consequences possibly delayed, by supporting social engagement -- a relatively low-cost solution to a very large public health problem.
Wed, 24 Jun 09
Morning People And Night Owls Show Different Brain Function
http://feeds.sciencedaily.com/~r/sciencedaily/~3/iRo5_zmHNvY/090623150621.htm
Are you a "morning person" or a "night owl?" Scientists have found that there are significant differences in the way our brains function depending on whether we're early risers or night owls.
Wed, 24 Jun 09
ADHD Genes Found, Known To Play Roles In Neurodevelopment
http://feeds.sciencedaily.com/~r/sciencedaily/~3/qLCSW276M_I/090623120835.htm
Pediatric researchers have identified hundreds of gene variations that occur more frequently in children with attention-deficit hyperactivity disorder than in children without ADHD. Many of those genes were already known to be important for learning, behavior, brain function and neurodevelopment, but had not been previously associated with ADHD.
Wed, 24 Jun 09
Vaccines From The Bioreactor: Bioprocess Increases Vaccine Yield
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fWOZhhamjac/090612122455.htm
Vaccinations are the most effective weapons in the fight against infectious diseases. However, developing novel vaccines alone is not sufficient to win the battle and the development and manufacture of economically priced vaccines in sufficient quantities represent real research challenges. Swiss researchers have developed a new bioprocess which increases the vaccine yield by a factor of fifty compared to conventional techniques.
Wed, 24 Jun 09
Good News For Some Hard-to-treat Hepatitis C Patients
http://feeds.sciencedaily.com/~r/sciencedaily/~3/iHbWHWiYWd8/090616103209.htm
Researchers find a new option for hepatitis C patients who have not responded to previous treatment that may be effective even for those patients with factors that make their condition difficult to treat.
Wed, 24 Jun 09
NASA's Mars Odyssey Alters Orbit To Study Warmer Ground
http://feeds.sciencedaily.com/~r/sciencedaily/~3/JmSN29kU5Q0/090623234811.htm
NASA's long-lived Mars Odyssey spacecraft has completed an eight-month adjustment of its orbit, positioning itself to look down at the day side of the planet in mid-afternoon instead of late afternoon. This change gains sensitivity for infrared mapping of Martian minerals by the orbiter's Thermal Emission Imaging System camera. Orbit design for Odyssey's first seven years of observing Mars used a compromise between what worked best for the infrared mapping and for another onboard instrument.
Wed, 24 Jun 09
Afghani Children Suffering From Post-traumatic Stress
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4QtA71WNnjQ/090623112106.htm
Children who live in Afghanistan are more prone to developing PTSD.
Wed, 24 Jun 09
Need Something? Talk To My Right Ear
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_f2Hwz674gQ/090623090705.htm
New research demonstrates humans' right ear preference for listening. We humans prefer to be addressed in our right ear and are more likely to perform a task when we receive the request in our right ear rather than our left. Scientists have shown that a natural side bias, depending on hemispheric asymmetry in the brain, manifests itself in everyday human behavior.
Wed, 24 Jun 09
Cancer Researchers Develop Model That May Help Identify Cancer Stem Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/K1ByB12WDJM/090616103323.htm
Researchers, on a quest to find lung cancer stem cells, have developed a unique model to allow further investigation into the cells that many believe may be at the root of all lung cancers.
Wed, 24 Jun 09
Isolated Forest Patches Lose Species, Diversity
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DeuNF-n6UEY/090611120746.htm
Failing to see the forest for the trees may be causing us to overlook the declining health of Wisconsin's forest ecosystems.
Wed, 24 Jun 09
Exercise Improves Functional And Psychological Ability And Reduces Steroid Need In Rheumatoid Arthritis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/vaL3cR9mv5c/090611110820.htm
Undertaking a supervised exercise program can have beneficial effects on functional status and physical function, reduce the need for daily corticosteroid and anti-inflammatory intake and improve levels of depression and anxiety in people with rheumatoid arthritis, according to a new study.
Wed, 24 Jun 09
New Research Unravels How Proteins Help Repair DNA
http://feeds.sciencedaily.com/~r/sciencedaily/~3/gIgFmcltLBA/090615171519.htm
A person's DNA is often damaged by a number of different chemical contaminants, and if not repaired properly, it can lead to the development of cancer and other diseases. Researchers have now discovered how damaged DNA is recognized and repaired. This could lead to improved treatment of cancer and other diseases.
Wed, 24 Jun 09
Heavy Women Have Lower Quality Relationships, But Same Is Not True For Men, Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1XNUW4UG25M/090623091125.htm
Associations between body mass index (BMI) and relationship quality and other partner/relationship perceptions were investigated in 57 couples in New Zealand. Heavier women had lower quality relationships, which they predicted were more likely to end. They partnered with less desirable men and thought their partners would rate them as less warm/trustworthy.
Wed, 24 Jun 09
Geographic Profiling Works: Great White Sharks' Hunting Skills As Refined As Jack The Ripper's
http://feeds.sciencedaily.com/~r/sciencedaily/~3/QBEnZxNmDqM/090621195618.htm
What do great white sharks have in common with serial killers? Refined hunting skills, according to a new article. Researchers have found that sharks hunt in a highly focused fashion, just like serial criminals.
Wed, 24 Jun 09
Pesticide Susceptibility In Children Lasts Longer Than Expected
http://feeds.sciencedaily.com/~r/sciencedaily/~3/7v2GA3c0GtE/090623091131.htm
Researchers recommend that the US EPA re-evaluate current standards for pesticide exposure in light of a new study finding that children's increased vulnerability to pesticides lasts much longer than expected.
Wed, 24 Jun 09
Blocking A Muscle Growth-limiting Hormone Protects Against Obesity And Atherosclerosis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/7PMCUYkAbFg/090611112557.htm
Knockout of myostatin, a growth factor that limits muscle growth, can decrease body fat and promote resistance against developing atherosclerosis, or "hardening" of the arteries, according to a new study conducted in mice.
Wed, 24 Jun 09
Molecular Typesetting: How Errors Are Corrected While Proteins Are Being Built
http://feeds.sciencedaily.com/~r/sciencedaily/~3/lw7cqOATeLM/090623090157.htm
Researchers have developed a model of how errors are corrected whilst proteins are being built.
Wed, 24 Jun 09
Lack Of 'Happiness Hormone' Serotonin In Brain Causes Impaired Maternal Behavior In Mice
http://feeds.sciencedaily.com/~r/sciencedaily/~3/8EiSgJdJFl4/090623111953.htm
A lack of serotonin, commonly known as the "happiness hormone," in the brain slows the growth of mice after birth and is responsible for impaired maternal behavior later in life. Researchers also discovered that the presence of serotonin in the brain is not crucial for the survival of the animals.
Wed, 24 Jun 09
Smoking Linked To Brain Damage
http://feeds.sciencedaily.com/~r/sciencedaily/~3/lOlVl4kCnkA/090623090400.htm
New research suggests a direct link between smoking and brain damage. Scientists have found that a compound in tobacco provokes white blood cells in the central nervous system to attack healthy cells, leading to severe neurological damage.
Wed, 24 Jun 09
Placenta: New Source For Harvesting Stem Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/p2hYMp3gPno/090623091119.htm
Scientists have revealed a new avenue for harvesting stem cells -- from a woman's placenta, or more specifically the discarded placentas of healthy newborns. The study also finds there are far more stem cells in placentas than in umbilical cord blood, and they can be safely extracted for transplantation.
Wed, 24 Jun 09
How Big A Role Does Chance Play In The History Of Life?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/3wKUITcWQtw/090609220721.htm
Researchers have discovered a group of closely related living species that independently repeated the different step-like changes that occurred in the major diversification of their kind during the Cretaceous Period, roughly 100 to 90 million years ago. But remarkably, this group of species arose some 80 million years later.
Wed, 24 Jun 09
Prostate Cancer Test Improves Prediction Of Disease Course
http://feeds.sciencedaily.com/~r/sciencedaily/~3/WFwJSiaFwao/090615094040.htm
A new prostate cancer risk assessment test gives patients and their doctors a better way of gauging long-term risks and pinpointing high risk cases.
Wed, 24 Jun 09
Hybrid Vehicles That Are Even More Efficient
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bd_vmAg2s0U/090611112651.htm
A student in Spain has designed a way to increase the energy sustainability of hybrid cars. The implementation of his idea enables a vehicle to consume much less fuel than it would with a conventional configuration.
Wed, 24 Jun 09
Memories May Be Formed Throughout The Day, Not Just While Sleeping
http://feeds.sciencedaily.com/~r/sciencedaily/~3/83-w0hAJu6g/090616121410.htm
Scientists have long thought that processes occurring during sleep were responsible for cementing the salient experiences of the day into long-term memories. Now, however, a study of scampering rats suggests that the mechanisms at work during sleep are also active while the animals are awake -- and that they encode events more accurately.
Tue, 23 Jun 09
New Method To Detect Quantum Mechanical Effects In Ordinary Objects
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kPHpFI2hq2M/090622103909.htm
Physicists have developed a new tool that can be used to search for quantum effects in an ordinary object.
Tue, 23 Jun 09
Alterations In Brain's White Matter Key To Schizophrenia, Study Shows
http://feeds.sciencedaily.com/~r/sciencedaily/~3/wJiDs0P2W9E/090622130748.htm
Researchers have used a novel form of brain imaging to discover that white matter in the brains of adolescents at-risk of developing schizophrenia does not develop at the same rate as healthy people. Further, the extent of these alterations can be used to predict how badly patients will, or will not, deteriorate functionally over time.
Tue, 23 Jun 09
Many Floors In U.S. Homes Have 'Measurable' Levels Of Pesticides
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Dfp_YEMv6fw/090622165737.htm
Insecticides used in and around homes -- including products voluntarily removed from the market years ago -- were measured on the floors of U.S. residences, according to the first study large enough to generate national data on pesticide residues in homes.
Tue, 23 Jun 09
Tumor Suppressor Gene In Flies May Provide Insights For Human Brain Tumors
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ufR3o7vkFdg/090622112802.htm
In the fruit fly's developing brain, stem cells called neuroblasts normally divide to create one self-renewing neuroblast and one cell that has a different fate. But neuroblast growth can sometimes spin out of control and become a brain tumor. Researchers have found a tumor-suppressing protein in the fly's brain, with a counterpart in mammals, that can apparently prevent brain tumors from forming.
Tue, 23 Jun 09
'Milking' Microscopic Algae Could Yield Massive Amounts Of Oil
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1nWE06z5xlY/090622165830.htm
Scientists are proposing a surprising new solution to the global energy crisis —"milking" oil from the tiny, single-cell algae known as diatoms, renowned for their intricate, beautifully sculpted shells that resemble fine lacework.
Tue, 23 Jun 09
Higher Drinking Age Linked To Less Binge Drinking -- Except In College Students
http://feeds.sciencedaily.com/~r/sciencedaily/~3/HHNRLxhpqUQ/090622163033.htm
New research has found substantial reductions in binge drinking since the national drinking age was set at 21 two decades ago, with one exception: college students. The rates of binge drinking in male collegians remain unchanged, but the rates in female collegians have increased dramatically.
Tue, 23 Jun 09
54-million-year-old Skull Reveals Early Evolution Of Primate Brains
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-MwS-cPzTac/090622171359.htm
Researchers have developed the first detailed images of a primitive primate brain, unexpectedly revealing that cousins of our earliest ancestors relied on smell more than sight.
Tue, 23 Jun 09
Curb A Cancer's Deadliness? Potent Metastasis Inhibitor Identified
http://feeds.sciencedaily.com/~r/sciencedaily/~3/gApVf4u90ug/090622171406.htm
Researchers have isolated a potent metastasis inhibitor produced by tumor cells, one that could potentially be harnessed as a cancer treatment. The protein, prosaposin, reduced metastases by 80 percent in a mouse model and significantly prolonged survival, the researchers report. Currently, there are no approved therapies for inhibiting or treating metastases.
Tue, 23 Jun 09
How Aerosols Contribute To Climate Change
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ZnOwbCyVXXE/090619203520.htm
What happens in Vegas may stay in Vegas, but what happens on the way there is a different story. Scientists have analyzed the air blown by winds between San Diego and Las Vegas and now know what gives the road to Sin City a distinctive look.
Tue, 23 Jun 09
Cancer Is Second Most Frequent Cause Of Death In Individuals With Schizophrenia
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Z9caWK0WNqk/090622064815.htm
People with schizophrenia die from cancer four times as often as people in the general population. The study's results suggest that extra efforts should be made to improve cancer prevention and early detection in patients with schizophrenia.
Tue, 23 Jun 09
Researchers Zero In On Ozone With Fluorescent Solution That Detects Harmful Molecule In The Air And Body
http://feeds.sciencedaily.com/~r/sciencedaily/~3/peLaEds1K0c/090622152037.htm
Researchers have developed a fluorescent substance that glows bright green when exposed to even minute amounts of ozone in the air and in biological samples such as human lung cells. A molecule consisting of three oxygen atoms, ozone is at once a harmful pollutant and lung irritant, and a possible natural weapon that certain research suggests the human body employs against infections.
Tue, 23 Jun 09
United Kingdom's 'Taste Dialects' Defined For The First Time
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ivFJA3Lr1RY/090622103829.htm
Where we are born not only determines how we speak but also how we taste our food and drink.
Tue, 23 Jun 09
Cold Case Techniques Bring Mummy’s Face To 'Life'
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ahl8_XwJR1I/090622200028.htm
Thanks to the skills of artists who work on cold case investigations, people have a chance to see what the mummy Meresamun may have looked like in real life.
Tue, 23 Jun 09
Transplant Drug Stimulates Immune Memory
http://feeds.sciencedaily.com/~r/sciencedaily/~3/mSwV3n8s7Mk/090621143227.htm
Vaccination relies on cells that enable the immune system to respond faster and stronger upon second encounter with a pathogen. Rapamycin, a drug given to transplant patients to suppress their immune systems, unexpectedly stimulates cells responsible for immune memory in both mice and monkeys. The finding could lead to new ways to boost vaccine effectiveness and manipulate the different parts of the immune system.
Tue, 23 Jun 09
Melatonin: The Fountain Of Youth?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-8Nzm4uXSMk/090622064807.htm
Melatonin can slow down the effects of aging. Scientists have found that a treatment based on melatonin can delay the first signs of aging in a small mammal.
Tue, 23 Jun 09
Newly Developed Antimicrobial Peptide May Protect Mice From Lethal Bacterial Infections Including MRSA
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4qxRNnfTiy4/090619124928.htm
In a new study researchers suggest that a synthetic antimicrobial peptide identified as L5 may prevent death in mice suffering from life-threatening bacterial infections, such as MRSA, by activating the host immune response.
Tue, 23 Jun 09
Alaskan Earthquake 'To Be Expected,' Says Researcher
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ouvW6Bl1nCw/090622195628.htm
As reports of a strong earthquake in Alaska continue to emerge (on June 22) a Baylor University earthquake researcher says this is not an unusual event in this area.
Tue, 23 Jun 09
Physicians Frequently Fail To Inform Patients About Abnormal Test Results, Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ozN6W4kQV6M/090622163031.htm
New research shows that physicians failed to report clinically significant abnormal test results to patients -- or to document that they had informed them -- in one out of every 14 cases of abnormal results. In some medical groups, the failure rate is close to zero; in others it is as high as one in four abnormal results.
Tue, 23 Jun 09
Bird Migration: Toxic Molecule May Help Birds 'See' North And South
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Z7NudwaASMs/090622112758.htm
A toxic molecule known to damage cells and cause disease may also play a pivotal role in bird migration. The molecule, superoxide, is proposed as a key player in the mysterious process that allows birds to "see" Earth's magnetic field.
Tue, 23 Jun 09
Caucasians Are At Higher Risk Of Developing Ewing's Sarcoma Than Other Races
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6bL0D4its8c/090622064820.htm
The largest analysis of its kind has found that Caucasians are much more likely that people in other racial/ethnic groups to develop a rare bone and soft tissue cancer called Ewing's sarcoma. In addition, among Caucasians with this cancer, men are more likely to die than women.
Tue, 23 Jun 09
New Strategies To Prevent Childhood Obesity
http://feeds.sciencedaily.com/~r/sciencedaily/~3/keBroYNFbRI/090610091347.htm
Researchers have developed new strategies for combating childhood obesity, including using wireless body networks and interactive multimedia to promote physical activity in children.
Tue, 23 Jun 09
Alternative Feedstocks For Ethanol Production
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-Ar7qn8LkmQ/090619130407.htm
Scientists say they are forging ahead in developing replacements for petrochemical fuels that will be cost-competitive and renewable while having a minimal impact on the environment. A consensus is emerging that no one technology will reign supreme and that a range of current and novel methodologies will contribute to meeting biofuel needs.
Tue, 23 Jun 09
Beating The Bullies: Changing Real-world Behavior Through Virtual Experience
http://feeds.sciencedaily.com/~r/sciencedaily/~3/uIWd06a9fMM/090622194231.htm
Social problems like bullying and stereotyping involve thoughts, feelings and reactions that resist change. New research shows that when students play active roles in virtual dramas their attitudes and behavior can change.
Tue, 23 Jun 09
Social Competition May Be Reason For Bigger Brain
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cDS2gCPoV48/090622152041.htm
For the past 2 million years, the size of the human brain has tripled, growing much faster than other mammals. Examining the reasons for human brain expansion, researchers studied three common hypotheses for brain growth: climate change, ecological demands and social competition. The team found that social competition is the major cause of increased cranial capacity.
Tue, 23 Jun 09
Non-invasive Brain Surgery: Successful Neurosurgery With Transcranial MR-guided High-Intensity Focused Ultrasound
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cC-zex3HYXQ/090622064711.htm
Medical researchers have achieved a world first break through in MR-guided, non-invasive neurosurgery. Ten patients have been successfully treated by means of transcranial high-intensity focused ultrasound. This fully non-invasive procedure opens new horizons for neurosurgery and the treatment of different neurological brain disorders.
Tue, 23 Jun 09
Advance In Bowel Cancer Test Research
http://feeds.sciencedaily.com/~r/sciencedaily/~3/O2qw__S1YFo/090609103526.htm
Australian researchers have developed gene expression biomarkers which can accurately discriminate pre-cancerous and cancerous colorectal growths from non-cancerous controls.
Tue, 23 Jun 09
Researchers Tackle Childhood Epilepsy
http://feeds.sciencedaily.com/~r/sciencedaily/~3/T6jhSxHD5fE/090610124817.htm
Researchers have discovered a potential new way to treat childhood epilepsy using a widely available therapeutic drug. In the first use of a mouse model of cortical dysplasia, they introduced the drug rapamycin. Cortical dysplasia is often the cause of childhood epilepsy.
Tue, 23 Jun 09
Study Of Agricultural Watersheds And Carbon Losses
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aFvi0bnKZJY/090619152132.htm
Scientists have investigated the impacts of manure application, crop rotation, and the rate of nitrogen application on carbon losses in several agricultural watersheds over a six-year span.
Tue, 23 Jun 09
Citizens In 34 Countries Show Implicit Bias Linking Males More Than Females With Science
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Tuwf9UlIHwc/090622171410.htm
Implicit stereotypes -- thoughts that people may be unwilling to express or may not even know that they have -- may have a powerful effect on gender equity in science and mathematics engagement and performance, according to a new study.
Mon, 22 Jun 09
Dinosaurs May Have Been Smaller Than Previously Thought
http://feeds.sciencedaily.com/~r/sciencedaily/~3/AIkeAq1fpNg/090621195620.htm
The largest animals ever to have walked the face of the earth may not have been as big as previously thought, according to a new article.
Mon, 22 Jun 09
Green Tea May Slow Prostate Cancer Progression
http://feeds.sciencedaily.com/~r/sciencedaily/~3/S80fEtWiGZw/090619112329.htm
Men with prostate cancer who consumed the active compounds in green tea demonstrated a significant reduction in serum markers predictive of prostate cancer progression.
Mon, 22 Jun 09
Human Eye Inspires Advance In Computer Vision
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0hdZ4UaFCEg/090618084258.htm
Researchers have developed novel algorithms that allow computer visualization software to see moving objects faster and with greater accuracy.
Mon, 22 Jun 09
Survivors Of Childhood Central Nervous System Cancer Face Persistent Risks As Adults
http://feeds.sciencedaily.com/~r/sciencedaily/~3/YEBXbz2YNZQ/090617191335.htm
Long-term survivors of childhood central nervous system malignancies remain at risk for death and are at increasing risk for developing subsequent cancers and chronic medical conditions over time, according to a new study.
Mon, 22 Jun 09
Light Sensor Breakthrough Could Enhance Digital Cameras
http://feeds.sciencedaily.com/~r/sciencedaily/~3/unH4AOvgZ90/090618144004.htm
New research could lead to substantial advancements in the performance of a variety of electronic devices including digital cameras.
Mon, 22 Jun 09
Scientists Bring 'Light' To Moon's Permanently Dark Craters
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6Kkf2TUyry8/090621215329.htm
A new lunar topography map with the highest resolution of the moon's rugged south polar region provides new information on some of our natural satellite's darkest inhabitants - permanently shadowed craters.
Mon, 22 Jun 09
PET Scans May Improve Accuracy Of Dementia Diagnosis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/dKaDE40SfmM/090615144333.htm
A new study shows that the use of positron emission tomography (PET) scans may improve the accuracy of dementia diagnoses early in disease onset for more than one out of four patients.
Mon, 22 Jun 09
Chemists Form World's Smallest Droplet Of Acid
http://feeds.sciencedaily.com/~r/sciencedaily/~3/C4tQcXYuMcE/090619125901.htm
Exactly four water molecules and one hydrogen chloride molecule are necessary to form the smallest droplet of acid. Chemists have carried out experiments at ultracold temperatures close to absolute zero temperature using infrared laser spectroscopy to monitor the molecules. According to their calculations, the reaction at these extremely cold temperatures is only possible if the molecules are aggregating one after the other.
Mon, 22 Jun 09
Lap Band Weight Loss Surgery Reduces Teens' Risk Factors For Heart Disease, Diabetes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ut5-ESS4L_k/090611142409.htm
In teenagers, laparoscopic gastric banding surgery for treatment of extreme obesity can significantly improve and even reverse the metabolic syndrome, a new study found.
Mon, 22 Jun 09
Unlike Rubber Bands, Molecular Bonds May Not Break Faster When Pulled
http://feeds.sciencedaily.com/~r/sciencedaily/~3/sYV220LgY3o/090617123656.htm
From balloons to rubber bands, things always break faster when stretched. Or do they? Scientists studying chemical bonds now have shown this isn't always the case, and their results may have profound implications for the stability of proteins to mechanical stress and the design of new high-tech polymers.
Mon, 22 Jun 09
Male Flies: Not The World's Most Sensitive Lovers
http://feeds.sciencedaily.com/~r/sciencedaily/~3/WyP6jo6hqbk/090611192130.htm
In order to increase their chances of reproductive success, male flies of the species Drosophila montana try to copulate for much longer than the females would like. Researchers have shown that females engaged in extended intercourse wait longer before they mate again, increasing the first fly's chances of fathering offspring.
Mon, 22 Jun 09
Ice Sheets Can Retreat 'In A Geologic Instant,' Study Of Prehistoric Glacier Shows
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BeHYAg9cDN4/090621143315.htm
Modern glaciers, such as those making up the Greenland and Antarctic ice sheets, are capable of undergoing periods of rapid shrinkage or retreat, according to new findings by paleoclimatologists.
Mon, 22 Jun 09
Scientists Out A Gene For Gout
http://feeds.sciencedaily.com/~r/sciencedaily/~3/967coJM-irQ/090618200937.htm
Scientists, having surveyed the genomes of 12,000 individuals to find a genetic cause for gout, have now have shown that the malfunctioning gene they uncovered can lead to high concentrations of blood urate that forms crystals in joint tissue, causing inflammation and pain -- the hallmark of this disease.
Mon, 22 Jun 09
Biofuel Could Lighten Jet Fuel's Carbon Footprint Over 80 Percent
http://feeds.sciencedaily.com/~r/sciencedaily/~3/JdDQglPHNcs/090619202611.htm
The seeds of a lowly weed could cut jet fuel's cradle-to-grave carbon emissions by 84 percent.
Mon, 22 Jun 09
Topical Application Of Chemotherapy Drug May Improve Appearance Of Aging Skin
http://feeds.sciencedaily.com/~r/sciencedaily/~3/PoLCF5NdArU/090615161703.htm
Topical application of the chemotherapy medication fluorouracil appears to reduce potentially precancerous skin patches and improve the appearance of sun-damaged skin, according to a new article.
Mon, 22 Jun 09
Scientists Break Light Modulation Speed Record -- Twice
http://feeds.sciencedaily.com/~r/sciencedaily/~3/iwvJbLxgX-w/090615144433.htm
Researchers have constructed a light-emitting transistor that has set a new record with a signal-processing modulation speed of 4.3 gigahertz, breaking the previous record of 1.7 gigahertz held by a light-emitting diode. But, the researchers didn't stop there. By internally connecting the base and collector of a light-emitting transistor, they created a new form of light-emitting diode, which modulates at up to 7 gigahertz, breaking the speed record once again.
Mon, 22 Jun 09
New 'Molecular Clock' Aids Dating Of Human Migration History
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ySoVQzGmwyA/090604124023.htm
Researchers have devised a more accurate method of dating ancient human migration -- even when no corroborating archaeological evidence exists.
Mon, 22 Jun 09
World's First Controllable Molecular Gear At Nanoscale Created
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-Gb-KfqMFjQ/090615102036.htm
Scientists have scored a breakthrough in nanotechnology by creating the world's first molecular gear of the size of 1.2 nanometers whose rotation can be deliberately controlled.
Mon, 22 Jun 09
New Weapon In The War Against HIV-AIDS: Combined Antiviral And Targeted Chemotherapy
http://feeds.sciencedaily.com/~r/sciencedaily/~3/An41W1kNy3Q/090621143234.htm
A new discovery could provide new ways to fight HIV-AIDS. HIV-AIDS could be treated through a combination of targeted chemotherapy and current Highly Active Retroviral treatments. This radical new therapy would make it possible to destroy both the viruses circulating in the body as well as those playing hide-and-seek in immune system cells.
Mon, 22 Jun 09
Single 'Spelling Mistake' In Genetic Code Can Lead To Rare And Untreatable Form Of Ovarian Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/WR5dJagGSY0/090610185520.htm
Scientists have discovered that there appears to be a single spelling mistake in the genetic code of granulosa cell tumors, a rare and often untreatable form of ovarian cancer. The discovery marks the beginning of a new era of cancer genomics.
Mon, 22 Jun 09
DNA Template Could Explain Evolutionary Shifts
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fKaMJ5Ennm8/090621143229.htm
Rearrangements of all sizes in genomes, genes and exons can result from a glitch in DNA copying that occurs when the process stalls at a critical point and then shifts to a different genetic template, duplicating and even triplicating genes or just shuffling or deleting part of the code within them, said researchers.
Mon, 22 Jun 09
Widely Used Body Fat Measurements Overestimate Fatness In African-Americans, Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/AZCA2iA4ZfQ/090611142407.htm
The body mass index and waistline measurement overestimate obesity in blacks, according to a new study. The results suggest that conventional methods for estimating body fat may need to become race-specific.
Mon, 22 Jun 09
Cancer In Humans: Cost Of Being Smarter Than Chimps?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/QQaR0SZnIPI/090610091222.htm
Are the cognitively superior brains of humans, in part, responsible for our higher rates of cancer? A new study comparing the way programmed cell death, or apoptosis, works in humans and chimpanzees suggests there may be something to this puzzling observation.
Mon, 22 Jun 09
Engineered Pig Stem Cells Bridge The Mouse-human Gap
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BQv4jX198AE/090604095125.htm
Researchers have created a line of embryonic-like stem cells from adult pigs. As pigs are large animals with a physiology very similar to humans, this work provides a valuable model to study the clinical potential of this new "induced pluripotent stem cell" technology.
Mon, 22 Jun 09
Potential Electrical Stimulation Treatment For Gastric Motility Disorders
http://feeds.sciencedaily.com/~r/sciencedaily/~3/PQ1VtixaamU/090610124622.htm
Gastric dysrhythmia and delayed gastric emptying has been observed in many gastric motility disorders. Treatment options for these disorders are very limited in the US, such as medical therapy, surgical therapy and nutritional support. The results of a new study show that two-channel gastric electrical stimulation with trains of pulses accelerates gastric emptying in healthy dogs and may have a therapeutic potential for the treatment of gastric motility disorders.
Mon, 22 Jun 09
Perforated Surgical Gloves Associated With Surgical Site Infection Risk
http://feeds.sciencedaily.com/~r/sciencedaily/~3/T757dxlH7gw/090615161705.htm
Surgical gloves that develop holes or leaks during a procedure appear to increase the risk of infection at the surgical site among patients who are not given antibiotics beforehand, according to a new article.
Mon, 22 Jun 09
Researchers Shed Light On Trading Behavior In Animals -- And Humans
http://feeds.sciencedaily.com/~r/sciencedaily/~3/KCb0WkOVo00/090608095044.htm
Scientists conducted a study to see if chimpanzees spontaneously bartered foods among each other, using tokens which represented those foods. While results indicated that the animals were cognitively able to understand trade, without enforcement from human experimenters, trade disappeared.
Mon, 22 Jun 09
How Obesity Increases The Risk For Diabetes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Jq-4qp83LBc/090621143236.htm
Obesity is probably the most important factor in the development of insulin resistance, but science's understanding of the chain of events is still spotty. Now, researchers have filled in the gap and identified the missing link between the two. Their findings explain how obesity sets the stage for diabetes and why thin people can become insulin resistant.
Mon, 22 Jun 09
Fate In Fly Sensory Organ Precursor Cells Could Explain Human Immune Disorder
http://feeds.sciencedaily.com/~r/sciencedaily/~3/23257tSznZQ/090621143232.htm
Notch signaling helps determine the fate of a number of different cell types in a variety of organisms, including humans. A new finding about the Notch signaling pathway in sensory organ precursor cells in the fruit fly could explain the mystery behind an immunological disorder called Wiskott-Aldrich syndrome.
Mon, 22 Jun 09
Mars Mission Could Ease Earth’s Energy Supply Crisis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aAuyQrbNZs0/090609133803.htm
Techniques and instrumentation initially developed for ExoMars -- Europe's next robotic mission to Mars in 2016, but now due to fly on a NASA mission in 2018 -- could also provide the answers to the globally pressing issue of energy supply.
Mon, 22 Jun 09
Off-label Morning Sickness Drug Deemed Safe For Fetuses, According To New Study
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Q9o9HZHH7wU/090610185524.htm
Metoclopramide, a drug approved in the U.S. for nausea, vomiting and heartburn, poses no significant risks for the fetus, according to a new study. "Metoclopramide is the drug of choice in Europe and Israel for "morning sickness-like" symptoms of nausea and vomiting, which are common in pregnant women," according to researchers. "In the U.S. however, it is only used in the most severe cases, as it is an "off-label" use for nausea and vomiting during pregnancy."
Mon, 22 Jun 09
Preventing Spread Of Infectious Diseases Is Everyone's Responsibility, Report Stresses
http://feeds.sciencedaily.com/~r/sciencedaily/~3/M4NzL7qs0rU/090616205517.htm
According to a new report, we must all share responsibility for preventing the spread of diseases such as swine flu, SARS, avian influenza, diarrheal and skin diseases, and even the common cold.
Mon, 22 Jun 09
Boy Or Girl? In Lizards, Egg Size Matters
http://feeds.sciencedaily.com/~r/sciencedaily/~3/YPPxwuTz4jQ/090604124015.htm
Whether baby lizards will turn out to be male or female is a more complicated question than scientists would have ever guessed, according to a new report. The study shows that for at least one lizard species, egg size matters.
Mon, 22 Jun 09
Severe Obesity Increases Risks Of Health Problems During Surgery
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FGhUv3Ffduk/090615161659.htm
Severe obesity can pose special challenges, including cardiac risks, in patients undergoing surgery; healthcare providers must carefully evaluate those risks and not underestimate them. The risk of a cardiac event before, during or after surgery in obese patients is related to the type and severity of their heart's condition, as well as other health conditions and the type of surgery they are having.
Mon, 22 Jun 09
Radio Frequency Identification: The Internet Of Things
http://feeds.sciencedaily.com/~r/sciencedaily/~3/miUq8fc2MGI/090609073036.htm
A tiny radio chip is arousing fear – but also great enthusiasm. Is it a threat to everything that we know as personal data protection, or the optimal way of keeping track in a chaos of products?
Mon, 22 Jun 09
Rheumatoid Arthritis Is Associated With Poor Sleep In Women
http://feeds.sciencedaily.com/~r/sciencedaily/~3/wtMFfhgEjQw/090610091341.htm
Symptoms of rheumatoid arthritis (RA) negatively affect women's sleep, according to new research. Sleep is further impaired by pain, depression and poor adherence to RA medications.
Mon, 22 Jun 09
Glutamate Receptor Believed Dead Comes To Life
http://feeds.sciencedaily.com/~r/sciencedaily/~3/GR5hXe-bVE4/090609073152.htm
To all intents and purposes, the delta2 receptor is an unequivocal member of the family of glutamate receptors, the most important receptors for excitatory neurotransmitters in our brain. To date, however, this receptor has been considered the "black sheep" of the family because it does not react to glutamate, which, by definition, a glutamate receptor ought to do. This riddle fascinated neuroscientists. To unlock the secret of this receptor, they "crossed" it with another glutamate receptor that functions normally.
Mon, 22 Jun 09
Fewer Injuries To Mothers And Newborns During Childbirth But More Could Be Prevented
http://feeds.sciencedaily.com/~r/sciencedaily/~3/IeUq_-3G1YA/090618175719.htm
Injuries to mothers during childbirth decreased significantly between 2000 and 2006, according to the latest figures. The number of mothers who experienced injuries while giving birth vaginally without the use of forceps or other instruments dropped by 30 percent.
Sun, 21 Jun 09
Carbon Dioxide Higher Today Than Last 2.1 Million Years
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Vht1hDbgK5E/090618143950.htm
Researchers have reconstructed atmospheric carbon dioxide levels over the past 2.1 million years in the sharpest detail yet, shedding new light on its role in the Earth's cycles of cooling and warming.
Sun, 21 Jun 09
Newly Discovered Interferon Response May Offer Early Control Of H5N1 Influenza Virus
http://feeds.sciencedaily.com/~r/sciencedaily/~3/B_oN3pu-mMo/090619124834.htm
Researchers suggest that the cell-signaling protein, interferon type 1, reduced H5N1 influenza virus replication in mice and may offer some degree of protection in the early stages of infection.
Sun, 21 Jun 09
Brain Detects Happiness More Quickly Than Sadness
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xFYztrkDy94/090617080118.htm
People make value judgments about others based on their facial expressions. A new study shows that -- after looking at a face for only 100 milliseconds -- we can detect expressions of happiness and surprise faster than those of sadness or fear.
Sun, 21 Jun 09
Three To Six Months To Lose Weight Gained In Pregnancy Is Normal
http://feeds.sciencedaily.com/~r/sciencedaily/~3/vBtAs9jSlto/090619152130.htm
Once the baby arrives, many new mothers want to return to their former weight quickly -- just like film stars who appear in the media in bikinis just weeks after giving birth. But according to new research, women should not put themselves under too much pressure straight away. Researchers warn that overdoing early weight loss attempts could have a negative impact on breastfeeding.
Sun, 21 Jun 09
Computer Idle? Now You Can Donate Its Time To Find A Cure For Major Diseases
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Btm8xpZSng4/090616193351.htm
Not using your computer at the moment? You can now donate your computer's idle time to cutting-edge biomedical research aimed at finding a cure for HIV, Parkinson's, arthritis, and breast cancer.
Sun, 21 Jun 09
Neural Noise Created During Binocular Rivalry
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cQ4mSO_jWMM/090619112337.htm
Neural "noise" may cause you to miss important changes in your environment when you are concentrating on something else, new research indicates.
Sun, 21 Jun 09
Sunspots Revealed In Striking Detail By Supercomputers
http://feeds.sciencedaily.com/~r/sciencedaily/~3/E-bY4PHVk3k/090618143958.htm
In a breakthrough that will help scientists unlock mysteries of the Sun and its impacts on Earth, an international team of scientists led by the National Center for Atmospheric Research has created the first-ever comprehensive computer model of sunspots. The resulting visuals capture both scientific detail and remarkable beauty.
Sun, 21 Jun 09
Dramatic Outcomes In Prostate Cancer Study
http://feeds.sciencedaily.com/~r/sciencedaily/~3/qobqpS5qudc/090619152128.htm
Two patients whose prostate cancer had been considered inoperable are now cancer free thanks in part to an experimental drug therapy that was used in combination with standardized hormone treatment and radiation therapy. The men were participating in a clinical trial of an immunotherapeutic agent called MDX-010 or ipilimumab.
Sun, 21 Jun 09
Beating The Radar: Getting A Jump On Storm Prediction
http://feeds.sciencedaily.com/~r/sciencedaily/~3/PKaXWCbVpoY/090617123702.htm
Satellite observation of cloud temperatures may be able to accurately predict severe thunderstorms up to 45 minutes earlier than relying on traditional radar alone, say researchers.
Sun, 21 Jun 09
Rare Disorder Gives Modelers First Glimpse At Immune System Development
http://feeds.sciencedaily.com/~r/sciencedaily/~3/KJ0snDuAfEc/090616144535.htm
Children born without thymus glands have given researchers a rare opportunity to watch as a new immune system develops its population of infection-fighting T-cells. Researchers tracked three young patients after thymus tissue transplantation to measure the growth of a T cell population -- with all of its diversity -- and learn about regulation mechanisms.
Sun, 21 Jun 09
Scientists Use High-pressure 'Alchemy' To Create Nonexpanding Metals
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MFuwLCA00IE/090615171621.htm
By squeezing a typical metal alloy at pressures hundreds of thousands of times greater than normal atmospheric pressure, scientistshave created a material that does not expand when heated, as does nearly every normal metal, and acts like a metal with an entirely different chemical composition.
Sun, 21 Jun 09
New Method To Study Gambling Addictions Developed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/k0Mz97FyXRY/090617104903.htm
Researchers have created the world's first animal laboratory experiment to successfully model human gambling. The advance will help scientists develop and test new treatments for gambling addictions, a devastating condition that affects millions worldwide.
Sun, 21 Jun 09
New Light Shed On 'Dark' Gamma-ray Bursts
http://feeds.sciencedaily.com/~r/sciencedaily/~3/GTkCullUYmo/090608131150.htm
Gamma-ray bursts are the universe's biggest explosions, capable of producing so much light that ground-based telescopes easily detect it billions of light-years away. Yet, for more than a decade, astronomers have puzzled over the nature of so-called dark bursts, which produce gamma rays and X-rays but little or no visible light. They make up roughly half of the bursts detected by NASA's Swift satellite since its 2004 launch.
Sun, 21 Jun 09
New Supplement May Help Slow Sight Loss In Elderly
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-ERlqFxjHGQ/090619082129.htm
Academics have helped develop an antioxidant supplement which may slow down sight loss in elderly people. The supplement may help those affected by the leading cause of blindness in the Western World, a five-year research program has found.
Sun, 21 Jun 09
Toward New Drugs That Turn Genes On And Off
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_84aLVstMns/090608101607.htm
Scientists are reporting an advance toward development of a new generation of drugs that treat disease by orchestrating how genes in the body produce proteins involved in arthritis, cancer and a range of other disorders. Acting like an "on-off switch," the medications might ratchet up the production of proteins in genes working at abnormally low levels or shut off genes producing an abnormal protein linked to disease.
Sun, 21 Jun 09
Statins Don't Lower Risk Of Pneumonia In Elderly, Study Shows
http://feeds.sciencedaily.com/~r/sciencedaily/~3/R0SxfzGEnRk/090616182353.htm
Popular cholesterol-lowering statin drugs like Lipitor (atorvastatin) don't lower the risk of pneumonia, according to a new study. Prior research based on automated claims data had raised some hope -- and hype -- for statins to prevent and treat infections including pneumonia. But using medical records for more detailed information, the researchers found pneumonia risk was higher (26 percent) in people using a statin than in those not using any.
Sun, 21 Jun 09
Banning Certain Fishing Gear Can Help Save Reefs From Climate Change
http://feeds.sciencedaily.com/~r/sciencedaily/~3/OYXhfsnYCiw/090617154405.htm
Banning or restricting the use of certain types of fishing gear could help the world's coral reefs and their fish populations survive the onslaughts of climate change, experts say.
Sun, 21 Jun 09
Insects' Sex Scents Can Save Lives
http://feeds.sciencedaily.com/~r/sciencedaily/~3/v1K8_uPvgks/090617155009.htm
By identifying and also finding methods to prepare the substances, pheromones, that certain insects secret either to attract to them other individuals of the same species, potential sex partners, or to warn each other about enemies, scientists can save many human lives primarily in the third world.
Sun, 21 Jun 09
Nutrient Delivery To The Gulf Of Mexico Among Highest Ever Measured
http://feeds.sciencedaily.com/~r/sciencedaily/~3/h0h_9o_cY-4/090620162540.htm
Spring nutrient delivery to the northern Gulf of Mexico is among the highest measured by the U.S. Geological Survey in thirty years.
Sat, 20 Jun 09
Plant Communication: Sagebrush Engage In Self-recognition And Warn Of Danger
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bR1ZEJuG0dk/090619171244.htm
Sagebrush engaged in self-recognition and communicate danger to their "clones" or genetically identical cuttings planted nearby, researchers show.
Sat, 20 Jun 09
Severely Memory-deficit Mutant Mouse Created
http://feeds.sciencedaily.com/~r/sciencedaily/~3/qltb-rdOT5o/090619112331.htm
A Japanese research group has successfully generated a novel kinase-dead mutant mouse of the CaMKIIalpha gene that completely and exclusively lacks its kinase activity. They examined hippocampal synaptic plasticity and behavioral learning of the mouse, and found a severe deficit.
Sat, 20 Jun 09
Antibiotics-resistant Gulls Worry Scientists
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Ypczyv9ELII/090618093242.htm
Antibiotic-resistant bacteria are spreading to and throughout the environment. The resistance pattern for antibiotics in gulls is the same as in humans, and a new study shows that nearly half of Mediterranean gulls in southern France have some form of resistance to antibiotics.
Sat, 20 Jun 09
Punching Holes Into Herpes Viruses
http://feeds.sciencedaily.com/~r/sciencedaily/~3/RxqcjgzR-7k/090611194127.htm
Scientists have completed the first description of the mechanics of so-called nuclear herpes virus capsids.
Sat, 20 Jun 09
Is Nanotechnology Safe? Interactions Between Nanomaterials And Biological Systems Explored
http://feeds.sciencedaily.com/~r/sciencedaily/~3/PbeCJQGJLXw/090619152134.htm
Tremendous growth in the development of nanomaterials with enhanced performance characteristics which are being used for commercial and medical applications prompts researchers to take a proactive role in examining the nano-bio interface to identify potential risks of engineered nanomaterials and explore methods for safer designs for use in drug delivery therapeutics and commercial products.
Sat, 20 Jun 09
Got Ear Plugs? You May Want To Sport Them On The Subway And Other Mass Transit, Researchers Say
http://feeds.sciencedaily.com/~r/sciencedaily/~3/PGNLQdRQjoY/090619112339.htm
Recent public health studies on the US mass transit system have identified several sources of environmental hazards associated with mass transit, including excessive noise. Scientists have found that MTA subways had the highest average noise levels of all mass transit in New York City, with levels high enough to potentially increase the risk of noise induced hearing loss.
Sat, 20 Jun 09
Herschel’s Daring Test: A Glimpse Of Things To Come
http://feeds.sciencedaily.com/~r/sciencedaily/~3/80KffoN2_-M/090619082301.htm
Herschel opened its 'eyes' on 14 June and the Photoconductor Array Camera and Spectrometer obtained images of M51, 'the whirlpool galaxy' for a first test observation. Scientists obtained images in three colors from the observation, which clearly demonstrate the excellence of Herschel, the largest infrared space telescope ever flown.
Sat, 20 Jun 09
New Vaccination Strategy May Protect Against Both Lethal 1918 And H5N1 Influenza Viruses
http://feeds.sciencedaily.com/~r/sciencedaily/~3/GNH0xelBFDw/090619112429.htm
A new study suggests that vaccination with 1918 H1N1 influenza virus-like particles not only protected mice and ferrets against the lethal 1918 influenza virus, but also displayed cross-reactive immunity against the potentially pandemic H5N1 influenza virus.
Sat, 20 Jun 09
Researchers 'All Aglow' Over New Test Of Toxin Strength
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Zqfe_LX2mgM/090617105052.htm
A new NIST assay using a "glow or no glow" technique may soon help the US Department of Homeland Security defend the nation against a spectrum of biological weapons that could be used in a terrorist attack.
Sat, 20 Jun 09
Certain Zinc-based Cold Remedies Linked To Loss Of Sense Of Smell, FDA Says
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4Bnk_a5Q-No/090618130709.htm
The U.S. Food and Drug Administration has advised consumers to stop using three products marketed over-the-counter as cold remedies because they are associated with the loss of sense of smell (anosmia). Anosmia may be long-lasting or permanent.
Sat, 20 Jun 09
Method For Computing Evolutionary Trees Could Revolutionize Evolutionary Biology
http://feeds.sciencedaily.com/~r/sciencedaily/~3/qmC1rVoao1A/090618143952.htm
Detailed, accurate evolutionary trees that reveal the relatedness of living things can now be determined much faster and for thousands of species with a computing method developed by computer scientists and a biologist.
Sat, 20 Jun 09
Aerobically Unfit Young Adults On Road To Diabetes In Middle Age
http://feeds.sciencedaily.com/~r/sciencedaily/~3/vZa46rrvfNQ/090618124944.htm
Most healthy 25 year olds don't stay up at night worrying whether they are going to develop diabetes in middle age. But many should be concerned. Researchers have found young adults with low aerobic fitness levels are two to three times more likely to develop diabetes in 20 years than those who are fit. The study also shows that young women and young African-Americans are less fit, placing more of them at risk for diabetes.
Sat, 20 Jun 09
1.02 Billion People Hungry: One Sixth Of Humanity Undernourished, More Than Ever Before
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kR5Mkqi8UFg/090619121443.htm
World hunger is projected to reach a historic high in 2009 with 1,020 million people going hungry every day, according to new estimates published by the U.N.'s Food and Agriculture Organization.
Sat, 20 Jun 09
Targeting Tumor Behavior May Lead To New Liver Cancer Drugs
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4IagzBTkwo0/090618124952.htm
Cancer researchers have used computational and genomic methods to identify possible anti-cancer agents that target multiple genes simultaneously. The researchers were seeking agents that might reverse gene changes in invasive liver cancer cells and block the spread of the disease in the body. The strategy is a new way to find potentially useful anti-cancer agents because it identifies agents that strike multiple targets involved in a particular stage of disease development.
Sat, 20 Jun 09
Deadly Parasite Could Endanger Salmon And Trout Populations In U.K.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/snY9g7N1G8c/090617155011.htm
Stocks of the UK’s Atlantic salmon along with varieties of domestic brown trout could be under threat from a deadly parasite according to new research. The agent - Sphaerothecum destruens – was originally found in the US and is closely associated with ‘invasive’ fish species including topmouth gudgeon and could prove deadly to native salmonids (Atlantic salmon, brown trout).
Sat, 20 Jun 09
Novel Discovery In Dendritic Cell Signalling Pathways Pave The Way For New Therapeutic Targets
http://feeds.sciencedaily.com/~r/sciencedaily/~3/O9x2B_3uv_I/090615102034.htm
Scientists have discovered another signaling pathway for the activation and apoptosis, or programmed cell death, of dendritic cells.
Sat, 20 Jun 09
Online Tutorials Help Elementary School Teachers Make Sense Of Science
http://feeds.sciencedaily.com/~r/sciencedaily/~3/sk7X1Q7XkVc/090618144034.htm
Interactive Web-based science tutorials can be effective tools for helping elementary school teachers construct powerful explanatory models of difficult scientific concepts, and research shows the interactive tutorials are just as effective online as they are in face-to-face settings, says an expert in science education.
Sat, 20 Jun 09
Nearly Half Of Older Patients Projected To Die While Waiting For Kidney Transplant
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bNYUjlyFpvQ/090618173033.htm
Forty-six percent of patients over age 60 currently on the waiting list for a kidney transplant will die before they receive an organ from a deceased donor, reports a new study.
Sat, 20 Jun 09
Mate Selection: Honesty In Advertising Pays Off
http://feeds.sciencedaily.com/~r/sciencedaily/~3/g3_HQDht5iY/090618101510.htm
Throughout the animal kingdom brilliant colors or elaborate behavioral displays serve as "advertisements" for attracting mates. But, what do the ads promise, and is there truth in advertising? Researchers theorize that when males must provide care for the survival of their offspring, the males' signals will consistently be honest -- and they may devote more of their energy to caring for their offspring than to being attractive.
Sat, 20 Jun 09
Key Found To How Tumor Cells Invade The Brain In Childhood Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/SLcTNAfsjAU/090617131350.htm
Despite great strides in treating childhood leukemia, a form of the disease called T-cell acute lymphoblastic leukemia (T-ALL) poses special challenges because of the high risk of leukemic cells invading the brain and spinal cord of children who relapse. Now, a new study reveals the molecular agents behind this devastating infiltration of the central nervous system. The finding may lead to new drugs that block these agents and thus lower the risk of relapse.
Sat, 20 Jun 09
Toward An 'Electronic Nose' To Sniff Out Kidney Disease In Exhaled Breath
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MVjryFSazss/090615100053.htm
Scientists have identified the key substances in exhaled breath associated with healthy and diseased kidneys — raising expectations, they say, for development of long-sought diagnostic and screening tests that literally sniff out chronic renal failure (CRF) in its earliest and most treatable stages.
Sat, 20 Jun 09
Radically Different Approach To Treating Early Breast Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MLFIRRymMcQ/090617201804.htm
A radically different approach to choosing the best treatment options for early breast cancer has been proposed by an international panel of experts. The report represents the consensus on early breast cancer treatment that emerged from the conference of more than 4,800 participants from 101 countries, which took place in March 2009.
Sat, 20 Jun 09
Genome Of Nitrogen-fixing, Soil-living Bacterium Sequenced
http://feeds.sciencedaily.com/~r/sciencedaily/~3/oDOrEuvycE8/090617123704.htm
Researchers have completed the genome sequence of Azotobacter vinelandii, uncovering important genetic information that will contribute to a more complete understanding of the biology of this versatile, soil-living bacterium and pave the way for new applications, including the possible use of A. vinelandii for the production of other proteins.
Sat, 20 Jun 09
Teens Are Heading In Wrong Direction: Likely To Have Sex, But Not Use Contraception
http://feeds.sciencedaily.com/~r/sciencedaily/~3/m68toYI5YPk/090618084306.htm
Between 2003 and 2007, the progress made in the 1990s and early 2000s in improving teen contraceptive use and reducing teen pregnancy and childbearing stalled, and may even have reversed among certain groups of teens, according to a new study.
Sat, 20 Jun 09
Mystery Of The Missing Sunspots Solved?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/RXoxghzxJdM/090618131402.htm
The sun is in the pits of a century-class solar minimum, and sunspots have been puzzlingly scarce for more than two years. Now, for the first time, solar physicists might understand why. Researchers have discovered that a jet stream deep inside the sun is migrating slower than usual through the star's interior, giving rise to the current lack of sunspots.
Sat, 20 Jun 09
Cerebrospinal Fluid Shows Alzheimer's Disease Deterioration Much Earlier
http://feeds.sciencedaily.com/~r/sciencedaily/~3/SlcKC0wYzlk/090618093240.htm
It is possible to determine which patients run a high risk of developing Alzheimer's disease and the dementia associated with it, even in patients with minimal memory impairment.
Sat, 20 Jun 09
'Weedy' Bird Species May Win As Temperatures Rise
http://feeds.sciencedaily.com/~r/sciencedaily/~3/7LmO6XLOZ1E/090609215939.htm
Climate change is altering North American winter bird communities in ways that models currently favored by ecologists fail to predict. Current distributions of animals among different climate zones suggest that, as habitats warm, numbers of species will increase and that those species will be smaller in size and restricted to narrower geographic ranges, but only one of those predictions has held for North American birds over the past quarter century.
Sat, 20 Jun 09
Omega-3 Fatty Acids May Protect Against Progression Of Age-related Macular Degeneration
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-sy_7b5izB8/090618101508.htm
Omega-3 fatty acids found in fatty fish such as tuna and salmon may protect against progression of age-related macular degeneration (AMD), but the benefits appear to depend on the stage of disease and whether certain supplements are taken.
Sat, 20 Jun 09
Electronics Industry May Be Entering A New Phase
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kzfb8UR5yyM/090617161506.htm
Electronic devices of the future could be smaller, faster, more powerful and consume less energy because of a new discovery.
Sat, 20 Jun 09
Anxious Parents Misdiagnose Milk Formula Intolerance
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MPGMUDLLjaA/090618200925.htm
Some parents may be unnecessarily switching infant milk formulas for their healthy infants. A new study found that many parents misinterpret common baby behaviors as milk intolerance and needlessly switch formulas without consulting a health professional.
Fri, 19 Jun 09
First Image Of Memories Being Made
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Z87TMfY5u6U/090618151331.htm
The ability to learn and to establish new memories is essential to our daily existence and identity; enabling us to navigate through the world. A new study has captured an image for the first time of a mechanism, specifically protein translation, which underlies long-term memory formation.
Fri, 19 Jun 09
Genes Edited In Human Stem Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_h2K8lk6bB0/090618124942.htm
Researchers have successfully edited the genome of human- induced pluripotent stem cells, making possible the future development of patient-specific stem cell therapies. They altered a gene responsible for causing the rare blood disease paroxysmal nocturnal hemoglobinuria, or PNH, establishing for the first time a useful system to learn more about the disease.
Fri, 19 Jun 09
Caribbean Coral Reefs Flattened
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fpegsJW9iZg/090609215924.htm
Coral reefs throughout the Caribbean have been comprehensively "flattened" over the last 40 years, according to a disturbing new study.
Fri, 19 Jun 09
Opioid-induced Hibernation Protects Against Stroke In Rats
http://feeds.sciencedaily.com/~r/sciencedaily/~3/vAXsnXxc6yw/090616205512.htm
Using an opioid drug to induce a hibernatory state in rats reduces the damage caused by an artificial stroke. Researchers have shown that those animals put into the chemical slumber suffered less behavioral dysfunctions after a period of cerebral artery blockage than control rats.
Fri, 19 Jun 09
Using Math To Take The Lag Out Of Jet Lag
http://feeds.sciencedaily.com/~r/sciencedaily/~3/LM1y9RDBkWU/090618200933.htm
Researchers have developed a software program that prescribes a regimen for avoiding jet lag using timed light exposure.
Fri, 19 Jun 09
How We Recognize What Is True And What Is False
http://feeds.sciencedaily.com/~r/sciencedaily/~3/oP7EqbegahI/090617123427.htm
A recent neuroimaging study reveals that the ability to distinguish true from false in our daily lives involves two distinct processes.
Fri, 19 Jun 09
Sudden Collapse In Ancient Biodiversity: Was Global Warming The Culprit?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ufgF3kZng7o/090618161150.htm
Scientists have unearthed striking evidence for a sudden ancient collapse in plant biodiversity. A trove of 200 million-year-old fossil leaves collected in East Greenland tells the story, carrying its message across time to us today.
Fri, 19 Jun 09
Gene Inhibition May Help Normalize Type 2 Diabetes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/B_dFXmk-Dw0/090618173246.htm
In research that could lead to new approaches for the treatment of type 2 diabetes, scientists have found that suppressing a liver enzyme that induces glucose production helped diminish the symptoms of the disease in a rat model -- reducing blood glucose concentrations, decreasing rates of glucose production in the liver, and improving insulin sensitivity. Decreasing expression of the gene, Sirtuin 1, also lowered total cholesterol levels.
Fri, 19 Jun 09
Advance In Solving Mysterious Machine-workers' Disease
http://feeds.sciencedaily.com/~r/sciencedaily/~3/V9b4nc7Z4vM/090525115310.htm
Scientists are reporting a long-awaited advance toward making the workplace safer for more than one million machinists in the United States who may be exposed to disease-causing bacteria in contaminated metalworking fluids. Those fluids become airborne during machining of metal parts.
Fri, 19 Jun 09
Vaccinating Children May Be Effective At Helping Control Spread Of Influenza
http://feeds.sciencedaily.com/~r/sciencedaily/~3/N4HGzxIRdMg/090617080120.htm
Targeting children may be an effective use of limited supplies of flu vaccine, according to new research. The study suggests that, used to support other control measures, this could help control the spread of pandemics such as the current swine flu.
Fri, 19 Jun 09
Most Efficient And Stable Source Of Pure White Light Ever Achieved
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_lC8NLnVp80/090615100401.htm
Researchers are reporting the first use of a fundamentally new approach in the quest to snare the Holy Grail of the lighting industry: An LED (light-emitting diode) -- those ultra-efficient, long-lived light sources -- that emits pure white light. The new approach yielded what the scientists describe as the most efficient and stable source of pure white light ever achieved.
Fri, 19 Jun 09
Naps With Rapid Eye Movement Sleep Increase Receptiveness To Positive Emotion
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DQbaMuNy4kk/090610091343.htm
Naps with rapid eye movement sleep refresh the brain's empathetic sensitivity for evaluating human emotions by decreasing a negative bias and amplifying recognition of positive emotions, according to new research.
Fri, 19 Jun 09
Size Did Matter: Evidence Of Giant Sperm Found In Microfossils
http://feeds.sciencedaily.com/~r/sciencedaily/~3/HqBTizwcY94/090618144002.htm
The mystery of giant sperm present in some living animal groups today has now taken on a new dimension -- in one group of micro-crustaceans new evidence shows that it is a feature at least 100 million years old.
Fri, 19 Jun 09
Improved Method Developed To Test Carcinogen Risk
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_UGaR631fyM/090618125033.htm
Researchers recently completed the largest animal study ever done in the field of toxicology, and the findings challenge some basic concepts about how to determine what level of a cancer-causing compound can be considered safe.
Fri, 19 Jun 09
Strong Freestanding Nanoparticle Films Created Without Fillers
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1CbmzjddT1A/090609124610.htm
Nanoparticle films are no longer a delicate matter: Physicists have now found a way to make them strong enough so they don't disintegrate at the slightest touch.
Fri, 19 Jun 09
Innovative Surgical Technique Gives Hope To Patients Suffering From Refractory Epilepsy
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4iagUnFejHU/090610124631.htm
Clinicians have perfected an operation, which was previously considered too dangerous, to control refractory insular epilepsy, using an innovative microsurgery technique. According to a recent study, the new surgical technique is both safe and beneficial for patients.
Fri, 19 Jun 09
Computers Can Boost Literacy
http://feeds.sciencedaily.com/~r/sciencedaily/~3/XM1jHIHlhjk/090618093248.htm
Computers do not spell the demise of literacy -- in fact, they may help to create one of the most literate and engaged generations the world has seen.
Fri, 19 Jun 09
Local Food Environments Can Lead To Obesity
http://feeds.sciencedaily.com/~r/sciencedaily/~3/XM9X8WVL3WY/090617201800.htm
Living in an area with more fast food outlets and convenience stores than supermarkets and grocers has been associated with obesity in a Canadian study. Researchers have shown that your local food environment can affect your weight.
Fri, 19 Jun 09
Polar Bear And Walrus Populations In Trouble, Stock Assessment Report Suggests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/tAqMgsO0-vU/090618195804.htm
The U.S. Fish and Wildlife Service has released reports documenting the status of polar bears and Pacific walrus in Alaska. The reports confirm that polar bears in Alaska are declining and that Pacific walrus are under threat. Both species are imperiled due to the loss of their sea-ice habitat due to global warming, oil and gas development, and unsustainable harvest.
Fri, 19 Jun 09
Muscular Dystrophy: New Drug Promises Benefit Without Risk Of Infection
http://feeds.sciencedaily.com/~r/sciencedaily/~3/YaJwz-d6ZXA/090610192437.htm
A new drug being studied for the treatment of muscle degenerating diseases has shown promising results. According to a study, Debio 025 is as effective as current drugs but, crucially, does not cause unwanted immunosuppressive effects.
Fri, 19 Jun 09
Discovery Of Facial Malformation Gene
http://feeds.sciencedaily.com/~r/sciencedaily/~3/gSsS5UecSOw/090515153927.htm
The first specific genetic mutation which can cause a potentially serious facial disfigurement has been identified by researchers at Oxford University. The finding offers the promise of improved genetic counseling for parents at risk.
Fri, 19 Jun 09
Hormone Therapy Plus Physical Activity Reduce Belly Fat, Body Fat Percentage After Menopause
http://feeds.sciencedaily.com/~r/sciencedaily/~3/D0o7ht_5Thk/090610091230.htm
Older women who take hormone therapy to relieve menopausal symptoms may get the added benefit of reduced body fat if they are physically active, according to a new study.
Fri, 19 Jun 09
Astronomer Champions The Study Of Solar Eclipses In The Modern Era
http://feeds.sciencedaily.com/~r/sciencedaily/~3/c7FsKFMDcto/090610133459.htm
Championing the modern-day use of solar eclipses to solve a set of modern problems is the goal of a review article written by Jay Pasachoff, visiting associate at the California Institute of Technology and Field Memorial Professor of Astronomy at Williams College. The review is the cover story of the June 11 issue of Nature, as part of its coverage of the International Year of Astronomy.
Fri, 19 Jun 09
Stable Marriage Is Linked With Better Sleep In Women
http://feeds.sciencedaily.com/~r/sciencedaily/~3/tbqPDtnJBRA/090610091345.htm
Being stably married or gaining a partner is associated with better sleep in women than being unmarried or losing a partner, according to new research.
Fri, 19 Jun 09
Lunar Reconnaissance Orbiter: NASA Returns To The Moon With First Lunar Launch In A Decade
http://feeds.sciencedaily.com/~r/sciencedaily/~3/VProLKnJaUE/090618230936.htm
NASA's Lunar Reconnaissance Orbiter has successfully launched aboard an Atlas V rocket from Cape Canaveral Air Force Station in Florida. The satellite will relay more information about the lunar environment than any other previous mission to the moon.
Fri, 19 Jun 09
Specific Genetic Cause Of Fetal Alcohol-related Developmental Disorders Found
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-z3AhinhtN0/090610124426.htm
Alcohol consumption by pregnant women hinders brain development in their children by interfering with the genetic processes that control thyroid hormone levels in the fetal brain, a new animal study found.
Fri, 19 Jun 09
NASA Successfully Launches Lunar Impactor
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6xz1wrppmaA/090618235903.htm
NASA successfully launched the Lunar Crater Observation and Sensing Satellite, or LCROSS, on a mission to search for water ice in a permanently shadowed crater at the moon's south pole. The satellite lifted off on an Atlas V rocket from Cape Canaveral Air Force Station, Fla., with a companion mission, the Lunar Reconnaissance Orbiter, or LRO.
Fri, 19 Jun 09
Donor Stem Cell Transplantation Associated With Survival Benefit For Patients With Leukemia
http://feeds.sciencedaily.com/~r/sciencedaily/~3/sROyfspZc3E/090609215941.htm
An analysis of previous studies indicates that allogeneic stem cell transplantation (SCT -- stem cells from a compatible donor) is associated with significant overall and relapse-free survival benefit among adult patients with intermediate- and poor-risk but not good-risk acute myeloid leukemia in first complete remission, compared with nonallogeneic SCT therapies.
Fri, 19 Jun 09
Natural Computing And Synthetic Biology Techniques Advanced For Treating Diseases
http://feeds.sciencedaily.com/~r/sciencedaily/~3/zg_zK8MUhy8/090610161002.htm
Researchers have designed a biomolecular automaton and several genetic circuits with potential future applications in the field of vanguard medicine. Depending on how it is programmed, the molecular automaton detects DNA or RNA signals in vitro. In the future, though, provided it passes all the experimental tests, it will be able to operate inside the human body.
Fri, 19 Jun 09
Parental Presence At Bedtime May Result In Sleep Difficulties
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xbrV1CzM68g/090610091335.htm
Parental presence at bedtimes appears to have a greater negative impact on infant sleep than actual co-sleeping, according to new research.
Fri, 19 Jun 09
Hunters Are Depleting Lion And Cougar Populations, Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/pw_m85d_j7U/090617123443.htm
Sport hunters are depleting lion and cougar populations as managers respond to demands to control predators that threaten livestock and humans, according to a new study.
Fri, 19 Jun 09
Fibromyalgia Patients Show Decreases In Gray Matter Intensity
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-26NZO2BBsc/090616190258.htm
Previous studies have shown that fibromyalgia is associated with reductions in gray matter in parts of the brain, but the exact cause is not known. Using sophisticated brain imaging techniques, researchers have found that alterations in levels of the neurotransmitter dopamine might be responsible for gray matter reductions.
Fri, 19 Jun 09
Scientist Finds Plumber's Wonderland On Graphene
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ZNgO9mtjOHc/090610154507.htm
Engineers have demonstrated the formation of interconnected carbon nanostructures on graphene substrate in a simple assembly process that involves heating few-layer graphene sheets to sublimation using electric current that may eventually lead to a new paradigm for building integrated carbon-based devices.
Fri, 19 Jun 09
Study May Redefine How A Chronic Auto-immune Disease Is Diagnosed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2JnGvWhmCWM/090610124821.htm
New research may redefine how chronic inflammatory demyelinating polyneuropathy is diagnosed. The study may help doctors more effectively diagnose and treat CIDP.
Fri, 19 Jun 09
'Motion-frozen' Technology Meets High-definition PET: Helping Heart Patients
http://feeds.sciencedaily.com/~r/sciencedaily/~3/oPFgDz1NA0Q/090615144325.htm
Combining high-definition positron emission tomography (PET) and "motion-frozen" technology provides enhanced cardiac images.
Fri, 19 Jun 09
Income, Education, Important Factors In Heart Disease Risk
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_LdNlVb0COs/090616133936.htm
Doctors who ignore the socioeconomic status of patients when evaluating their risk for heart disease are missing a crucial element that might result in inadequate treatment, according to a new study.
Fri, 19 Jun 09
Mammoths Survived In Britain Until 14,000 Years Ago, New Discovery Suggests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/iy4CzVRrukE/090617201758.htm
Research finally proves that bones found in Shropshire, England, provide the most geologically recent evidence of woolly mammoths in Northwestern Europe. Analysis of both the bones and the surrounding environment suggests that some mammoths remained part of British wildlife long after they are conventionally believed to have become extinct.
Fri, 19 Jun 09
Reproductive Health Effects Found From Low Doses Of Bisphenol-A
http://feeds.sciencedaily.com/~r/sciencedaily/~3/x_V_qQtzguk/090617104911.htm
New research shows significant reproductive health effects in rats that have been exposed to bisphenol-A at levels equivalent to or below the dose that has been thought not to produce any adverse effects.
Fri, 19 Jun 09
Some Video Games Can Make Children Kinder And More Likely To Help
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BlhGe3TT_nE/090617171819.htm
Some video games can make children kinder and more likely to help -- not hurt -- other people.
Fri, 19 Jun 09
Drugs Against Winter Vomiting Disease One Step Closer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/YknHR0jx0Jk/090610124819.htm
The virus that causes winter vomiting disease invades cells by attaching to particular sugar molecules on the surface of the cells, according to new research in Sweden. This result may be an important step in the development of a drug against the regular hospital-based epidemics caused by the virus.
Fri, 19 Jun 09
Arctic Contamination: Mercury In Mackenzie River Delta Dramatically Higher Than Previously Believed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/rtODdEbnQWI/090616133934.htm
Researchers conducting a water study in the Mackenzie River Delta have found a dramatically higher delivery of mercury from the Mackenzie River to the Arctic Ocean than determined in previous studies.
Fri, 19 Jun 09
Stroke Survivors Report Loss Of Sexual Desire, Blurred Gender Roles, Anger And Fatigue
http://feeds.sciencedaily.com/~r/sciencedaily/~3/XHWT2bsUrQA/090618085746.htm
Suffering a stroke can have a profound effect on relationships and lead to significant changes in how couples relate to each other on a physical, psychological, social and emotional level.
Fri, 19 Jun 09
Humans More Related To Orangutans Than Chimps, Study Suggests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/rgzKbJDkji4/090618084304.htm
New evidence underscores the theory of human origin that suggests humans most likely share a common ancestor with orangutans. The researchers reject as "problematic" the popular suggestion, based on DNA analysis, that humans are most closely related to chimpanzees, which they maintain is not supported by fossil evidence.
Fri, 19 Jun 09
New Skin Cancer Patch: Possible Alternative To Surgery
http://feeds.sciencedaily.com/~r/sciencedaily/~3/jC7tPmiOZ78/090615144335.htm
A new study shows that a radioactive skin patch can safely and successfully treat basal cell carcinoma, one of the most common types of skin cancers.
Fri, 19 Jun 09
'Implausible' Chemistry Produces Herbicidal Compound
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-gdQ7Ekkuhw/090610133457.htm
A soil microbe that uses chemical warfare to fight off competitors employs an unusual chemical pathway in the manufacture of its arsenal, researchers report, making use of an enzyme that can do what no other enzyme is known to do: break a non-activated carbon-carbon bond in a single step.
Fri, 19 Jun 09
Key Gene In Deadly Inflammatory Breast Cancer Identified
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1XffUR5ASNU/090614153255.htm
Aggressive, deadly and often misdiagnosed, inflammatory breast cancer is the most lethal form of primary breast cancer, often striking women in their prime and causing death within 18 to 24 months. Now, scientists have identified a key gene -- eIF4G1 -- that is overexpressed in the majority of cases of IBC, allowing cells to form highly mobile clusters that are responsible for the rapid metastasis that makes IBC such an effective killer.
Fri, 19 Jun 09
3D Printing For New Tissues And Organs
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4ULox1j6mYs/090618085752.htm
A more effective way to build plastic scaffolds on which new tissues and even whole organs might be grown in the laboratory is being developed.
Fri, 19 Jun 09
Test That Found Widespread Unconscious Racial Bias Validated
http://feeds.sciencedaily.com/~r/sciencedaily/~3/t5pA_lDrJfo/090617142120.htm
A new study validates the controversial finding that the Implicit Association Test indicated that about 70 percent of those people who took a version of the test that measures racial attitudes have unconscious preference for white people compared to blacks. This compared with figures general under 20 percent for self-reported measures of race bias.
Thu, 18 Jun 09
Beaked, Bird-like Dinosaur Tells Story Of Finger Evolution
http://feeds.sciencedaily.com/~r/sciencedaily/~3/zniN7VSk-yQ/090617171816.htm
Scientists have discovered a unique beaked, plant-eating dinosaur in China. The finding, they say, demonstrates that theropod, or bird-footed, dinosaurs were more ecologically diverse in the Jurassic period than previously thought, and offers important evidence about how the three-fingered hand of birds evolved from the hand of dinosaurs.
Thu, 18 Jun 09
Fallopian Tubes Offer New Stem Cell Source
http://feeds.sciencedaily.com/~r/sciencedaily/~3/UECmLgpEugI/090617201802.htm
Human tissues normally discarded after surgical procedures could be a rich additional source of stem cells for regenerative medicine. New research shows for the first time that human fallopian tubes are abundant in mesenchymal stem cells which have the potential of becoming a variety of cell types.
Thu, 18 Jun 09
Crustacean Shell With Polyester Creates Mixed-fiber Material For Nerve Repair
http://feeds.sciencedaily.com/~r/sciencedaily/~3/PQvlo8jxjoQ/090616164002.htm
Weaving chitosan, found in the shells of crabs and shrimp, with an industrial polyester creates a promising new material for biomedical applications, including the tiny tubes that support repair of a severed nerve.
Thu, 18 Jun 09
Pregnant Women At High Risk Of Complications From H1N1 Influenza
http://feeds.sciencedaily.com/~r/sciencedaily/~3/YkX-RhFo3Zg/090615112255.htm
With the H1N1 flu outbreak now elevated to pandemic level, scientists reports that oseltamivir (Tamiflu) and zanamivir (Relenza) are relatively safe drugs for use in pregnant and breast-feeding women.
Thu, 18 Jun 09
Artificial Sweeteners May Contaminate Water Downstream Of Sewage Treatment Plants And Even Drinking Water
http://feeds.sciencedaily.com/~r/sciencedaily/~3/b1wjA9xu7pc/090617123650.htm
Sewage treatment plants fail to remove artificial sweeteners completely from waste water. What's more, these pollutants contaminate waters downstream and may still be present in our drinking water. Researchers were able to demonstrate the presence of several artificial sweeteners in waste water.
Thu, 18 Jun 09
Much Touted 'Depression Risk Gene' May Not Add To Risk After All
http://feeds.sciencedaily.com/~r/sciencedaily/~3/oMj4jt_66Kg/090616163950.htm
Stressful life events are strongly associated with a person's risk for major depression, but a certain gene variation long thought to increase risk in conjunction with stressful life events actually may have no effect.
Thu, 18 Jun 09
Definitive Evidence For Ancient Lake On Mars
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xe6FkO4VG8c/090617171821.htm
Scientists have discovered the first definitive evidence of shorelines on Mars, an indication of a deep, ancient lake there and a finding with implications for the discovery of past life on the Red Planet.
Thu, 18 Jun 09
Progress Made Toward Early Identification Of Muscular Dystrophy
http://feeds.sciencedaily.com/~r/sciencedaily/~3/qy7wW47FevA/090617105056.htm
New muscular dystrophy (MD) research is moving doctors and scientists closer to disease diagnosis in advance of patient symptoms. Since it is now clear that early treatment significantly improves life expectancy and quality of life for muscular dystrophy children, this new discovery regarding MD's prenatal origin has the potential to result in earlier diagnosis, and thus create a better quality of life for these patients.
Thu, 18 Jun 09
Nanocrystals Reveal Activity Within Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/KpXioWmQ2yQ/090616164000.htm
Researchers have created bright, stable and bio-friendly nanocrystals that act as individual investigators of activity within a cell. These ideal light emitting probes represent a significant step in scrutinizing the behaviors of proteins and other components in complex systems such as a living cell.
Thu, 18 Jun 09
Less Invasive CT-scan Based Colorectal Cancer Screening Method Shows Good Accuracy
http://feeds.sciencedaily.com/~r/sciencedaily/~3/z8oPyBz3rG4/090616163952.htm
Computed tomographic colonography may offer patients at increased risk of colorectal cancer an alternative to colonoscopy that is less-invasive, is better-tolerated and has good diagnostic accuracy, according to a study in the June 17 issue of JAMA.
Thu, 18 Jun 09
A Sonic Boom In The World Of Lasers
http://feeds.sciencedaily.com/~r/sciencedaily/~3/V5_glnJcoYU/090617123652.htm
It was an idea born out of curiosity in the physics lab, but now a new type of "laser" for generating ultra-high frequency sound waves instead of light has taken a major step towards becoming a unique and highly useful 21st century technology.
Thu, 18 Jun 09
Having A Higher Purpose In Life Reduces Risk Of Death Among Older Adults
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0cKffQ3uebk/090615144207.htm
Possessing a greater purpose in life is associated with lower mortality rates among older adults according to a new study.
Thu, 18 Jun 09
Scientists Show Bacteria Can 'Learn' And Plan Ahead
http://feeds.sciencedaily.com/~r/sciencedaily/~3/YrxDIID4z8c/090617131400.htm
Scientists have shown that microorganisms can "learn" through evolution to anticipate upcoming events and prepare for them.
Thu, 18 Jun 09
Researchers Develop Key Brake For Immune Cells In Petri Dish; Hope For Easier Organ Transplantation?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/9KYPtQvj8Ak/090615112215.htm
Scientists in Germany have succeeded in treating immune cells in a way that enables them to inhibit unwanted immune reactions such as organ rejection.
Thu, 18 Jun 09
Structures From The Human Immune System's Oldest Branch Shed Light On A Range Of Diseases
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Z_Z1V-ekWxc/090617123437.htm
How molecules of the oldest branch of the human immune system have interconnected has remained a mystery. Now, two new structures, both involving a central component of an enzyme important to the complement system of the immune response, reveal how this system fights invading microbes while avoiding problems of the body attacking itself.
Thu, 18 Jun 09
Therapy Helps Improve Outcomes For Patients With Severe Sepsis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/vI1AOrSGut4/090616163954.htm
A preliminary study suggests that a therapy for severe sepsis or septic shock that included the use of an antibiotic-based "hemoperfusion" device to remove toxic products of bacteria from the blood in addition to conventional treatment resulted in a reduced risk of death and appeared to improve blood circulation and reduce organ dysfunction.
Thu, 18 Jun 09
Chemists Develop Distributed Drug Discovery: Finding Drugs For Neglected Diseases
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Wb-6-PuIfCE/090615144205.htm
Researchers have developed Distributed Drug Discovery, a new low-cost strategy to accelerate the discovery of drugs to treat neglected diseases such as tuberculosis, leprosy, leshmaniasis, dengue fever and Chagas disease.
Thu, 18 Jun 09
The Healing Power Of Prayer?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ZhIF27Kh89w/090617154401.htm
Health and religion have always been intertwined, most obviously through prayer on behalf of the sick. Does intercessory prayer for sick people actually help heal them? For thousands of years some people have believed so. But new research shows that over the last four decades, medical studies of intercessory prayer -- the prayer of strangers at a distance -- actually say more about the scientists conducting the studies than about the power of prayer to heal.
Thu, 18 Jun 09
'Life Force' Linked To Body's Ability To Withstand Stress
http://feeds.sciencedaily.com/~r/sciencedaily/~3/NdRCtTtc-7s/090617123700.htm
Our ability to withstand stress-related, inflammatory diseases may be associated, not just with our race and sex, but with our personality as well, according to a new study. Especially in aging women, low levels of the personality trait extroversion may indicate that blood levels of a key inflammatory molecule have crossed over a threshold linked to a doubling of mortality risk within five years.
Thu, 18 Jun 09
AIDS: Clues To Virus-cancer Link Uncovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Zmg1tx1cnW4/090617131402.htm
Scientists have uncovered clues to the development of cancers in AIDS patients.
Thu, 18 Jun 09
Discoveries That Saved The Large Blue Butterfly Detailed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/idF510-dK-U/090615185420.htm
On the 25th anniversary of the project that brought the large blue butterfly back from near extinction in the United Kingdom, ecologists are for the first time publishing the decades of research that helped them rescue this spectacular butterfly. The study shows how the large blue's extreme dependence on a single ant species led to the butterflies' demise, as their habitat became overgrown, causing soil temperatures to drop and ant numbers to diminish. Before this discovery, butterfly collectors were generally blamed for the decline of this butterfly, also known as Maculinea arion.
Thu, 18 Jun 09
New Treatment Strategy Offers Hope To Rheumatoid Arthritis Patients Who Failed All Other Therapies
http://feeds.sciencedaily.com/~r/sciencedaily/~3/iQC0Xbu_zaY/090611110946.htm
Rheumatoid arthritis patients who failed to respond to initial treatment with rituximab (a chimeric monoclonal antibody against the protein CD20) can still be successfully re-treated with a second course of RTX after six months, according to new results.
Thu, 18 Jun 09
Distributed Security: A New Sharing Approach To Online Security
http://feeds.sciencedaily.com/~r/sciencedaily/~3/8gjWXMVA8Vc/090615112219.htm
Could an entirely new approach to online security, based on distributed sanctions, help prevent cybercrime, fraud and identity theft? A report in the International Journal of Intercultural Information Management suggests it could.
Thu, 18 Jun 09
How Much Does Chronic Depression With Medical Disorders Affect Work Performance?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6VrhoRDcKKc/090616182601.htm
Affective disorders comorbid with medical, somatic illnesses have been found to have a major impact on health-related quality of life and disability with more pronounced effects in dysthymic disorder than in major depressive disorder.
Thu, 18 Jun 09
Not One, But Two Kinds Of Males Found In Invasive Round Goby Fish
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fJEJNcn8TZ4/090615112225.htm
Scientists have found the existence of two types of males of a fiercely invasive fish spreading through the Great Lakes, which may provide answers as to how they rapidly reproduce.
Thu, 18 Jun 09
Appetite-stimulating Hormone Is First Potential Medical Treatment For Frailty In Older Women
http://feeds.sciencedaily.com/~r/sciencedaily/~3/mnF8e1IPRnE/090612115535.htm
Older women suffering from clinical frailty stand to benefit from the first potential medical treatment for the condition, according to a new study. Ghrelin, a hormone that stimulates appetite, was administered to older women diagnosed with frailty, a common geriatric syndrome characterized by unintentional weight loss, weakness, exhaustion and low levels of anabolic hormones which increases risk of falls, hospitalizations, disability and death.
Thu, 18 Jun 09
TRAPping Proteins That Work Together Inside Living Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/wt07V5X5baA/090615144217.htm
Researchers trying to understand how and which proteins work together have developed a new crosslinking tool that is small and unobtrusive enough to use in live cells. Using the new crosslinker, the scientists have discovered new details about a well-studied complex of proteins known as RNA polymerase. The results suggest the method might uncover collaborations between proteins that are too brief for other techniques to pinpoint.
Thu, 18 Jun 09
Novel DNA Vaccine Leads To Kidney Damage Prevention In Systemic Lupus Erythematosus Models
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BBXTLK3-pQs/090611110952.htm
DNA vaccination using lupus autoantigens and interleukin-10 (IL-10, a cytokine that plays an important role in regulating the immune system) has potential as a novel therapy to induce antigen specific tolerance and may help to prevent kidney damage in patients with systemic lupus erythematosus, according to a new study.
Thu, 18 Jun 09
Telemedicine Expands Reach Of Care For Parkinson's Patients
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xYAYzWpxiv8/090617123654.htm
A unique and innovative telemedicine project is providing distant nursing home patients with Parkinson's disease access to neurologists. A pilot study of the project demonstrates that the system can improve the quality of life and motor function of patients.
Thu, 18 Jun 09
Jury 'Lottery' Goes On Trial
http://feeds.sciencedaily.com/~r/sciencedaily/~3/em3Wa3drwwg/090617080412.htm
The current legal system relies on the moral compass of each individual jury to decide the outcome of a trial. This method could be viewed more as a lottery than an infallible system of justice. To investigate this claim, top criminal lawyers have created the Honesty Lab -- an online study devised to try and establish if the standard test for dishonesty used to convict criminals in England and Wales, based on the attitudes of each individual jury, is in fact flawed.
Thu, 18 Jun 09
Maya Intensively Cultivated Manioc 1,400 Years Ago
http://feeds.sciencedaily.com/~r/sciencedaily/~3/LOD8dbk2r08/090616133940.htm
Archeologists have uncovered an ancient and previously unknown Maya agricultural system -- a large manioc field intensively cultivated as a staple crop that was buried and exquisitely preserved under a blanket of ash by a volcanic eruption in present-day El Salvador 1,400 years ago.
Thu, 18 Jun 09
Could Hormones Explain Gender Differences In Neurological Disease?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/B5PUO35U9fI/090615203104.htm
Neurological diseases including Parkinson's, Tourette's, attention deficit hyperactivity disorder, Alzheimer's and schizophrenia are all associated with alterations in dopamine-driven function involving the dopamine transporter (DAT). Researchers suggest that a number of estrogens acting through their receptors affect the DAT, which may explain trends in timing of women's susceptibility to these diseases.
Thu, 18 Jun 09
Plant Microbe Shares Features With Drug-resistant Pathogen
http://feeds.sciencedaily.com/~r/sciencedaily/~3/wDZfu_fSiMs/090616103311.htm
Scientists have discovered extensive similarities between a strain of bacteria commonly associated with plants and one increasingly linked to opportunistic infections in hospital patients. The findings suggest caution in the use of the plant-associated strain for a range of biotech applications.
Thu, 18 Jun 09
Psoriasis Associated With Cardiovascular Disease And Increased Mortality
http://feeds.sciencedaily.com/~r/sciencedaily/~3/EYeBERBJZMw/090615161701.htm
The skin disease psoriasis is associated with atherosclerosis (a buildup of plaque in the arteries) characterized by an increased prevalence of ischemic heart disease, cerebrovascular disease, peripheral artery disease and an increased risk of death, according to a new article.
Thu, 18 Jun 09
How To Get Wind Turbines To Work Harder
http://feeds.sciencedaily.com/~r/sciencedaily/~3/zWeHiWDq5D4/090616103217.htm
How much usable energy do wind turbines produce? It is a question that perplexes engineers and frustrates potential users, especially on windless days. A new study provides a formula for answering this vexing question.
Thu, 18 Jun 09
Dad's Overworked And Tired While Mom's Potentially Fired
http://feeds.sciencedaily.com/~r/sciencedaily/~3/EYONemYU-U4/090616103211.htm
If dad looks exhausted this Father's Day it could be due to his job, suggests new research that found many male employees are now pressured to work up to 40 hours of overtime -- often unpaid -- per week to stay competitive.
Thu, 18 Jun 09
Individual Primates Display Variation In General Intelligence
http://feeds.sciencedaily.com/~r/sciencedaily/~3/NXwvwSi_yps/090616205508.htm
General intelligence varies among primates within a single species, according to new research. The study is the first to look at general intelligence within one primate species. Through a series of cognitive tests, the researchers were able to divide the monkeys into high, middle and low performing groups. The findings may help us to understand the evolution of human general intelligence.
Thu, 18 Jun 09
Farmed Fish May Pose Risk For Mad Cow Disease
http://feeds.sciencedaily.com/~r/sciencedaily/~3/l0TtsXAgaqQ/090616080143.htm
Neurologists questions the safety of eating farmed fish, adding a new worry to concerns about the nation’s food supply. They suggest farmed fish could transmit Creutzfeldt Jakob disease -- commonly known as mad cow disease -- if they are fed byproducts rendered from cows.
Thu, 18 Jun 09
Potential For Non-invasive Brain Tumor Treatment
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BadgvpW4vVU/090616103309.htm
Engineers have taken a first step toward a minimally invasive treatment of brain tumors by combining chemotherapy with heat administered from the end of a catheter.
Thu, 18 Jun 09
Normal Development Of Cells With Abnormal Numbers Of Nuclei
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ujoHJF9yjEY/090615171511.htm
Most of our cells contain a single nucleus that harbors 46 chromosomes (DNA and protein complexes that contain our genes). However, during normal postnatal development, liver cells containing two nuclei, each of which have 46 chromosomes, appear.
Thu, 18 Jun 09
Calcium: The Secret To Honeybees' Memory
http://feeds.sciencedaily.com/~r/sciencedaily/~3/NA90EwiHioI/090615203106.htm
Long-term memory formation in honeybees is instigated by a calcium ion cascade. Researchers have shown that calcium acts as a switch between short- and long-term storage of learned information.
Thu, 18 Jun 09
Wrong Type Of Help From Parents Could Worsen Child's Obsessive-compulsive Disorder
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-ZN6WKncQV0/090617123658.htm
Soothing anxiety and helping with behaviors linked to obsessive-compulsive disorder could lead to more severe symptoms in children.
Thu, 18 Jun 09
Test Detects Molecular Marker Of Aging In Humans
http://feeds.sciencedaily.com/~r/sciencedaily/~3/b16cbLGyHcg/090616103207.htm
Scientists have shown that a key protein called p16INK4a is present in human blood and is strongly correlated both with chronological age and with certain behaviors such as tobacco use and physical inactivity, which are known to accelerate the aging process.
Thu, 18 Jun 09
Putting A Name To A Face May Be Key To Brain's Facial Expertise
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-hbfi9uVfrc/090616164006.htm
Our tendency to see people and faces as individuals may explain why we are such experts at recognizing them, new research indicates. This approach can be learned and applied to other objects as well.
Thu, 18 Jun 09
New Mechanism Fundamental To The Spread Of Invasive Yeast Infections Identified
http://feeds.sciencedaily.com/~r/sciencedaily/~3/L3ZRWw4b8pc/090615203058.htm
Researchers have identified a novel regulatory gene network that plays an important role in the spread of common, and sometimes deadly, fungal infections. The findings establish the role of Zap1 protein in the activation of genes that regulate the synthesis of biofilm matrix.
Thu, 18 Jun 09
Ancient Ice Age, Once Regarded As Brief 'Blip' Found To Have Lasted For 30 Million Years
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ASH0qSaU8w0/090616103307.htm
Geologists have shown that an ancient ice age, once regarded as a brief "blip," in fact lasted for 30 million years.
Thu, 18 Jun 09
Depression May Increase Alzheimer's Risk In People With Memory Problems
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6SD-j-aRnw8/090615161656.htm
People with memory problems who are depressed are more likely to develop Alzheimer's disease compared to people who are not depressed, reports a new study. However, the research also shows that the popular Alzheimer's drug donepezil may delay the progression to Alzheimer's disease for depressed people who also suffer from mild cognitive impairment or memory problems.
Wed, 17 Jun 09
New Nanoparticles Could Lead To End Of Chemotherapy
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ARccaS8KhQM/090616121343.htm
Specially engineered nanoparticles could someday target and destroy tumors, sparing patients from toxic, whole-body chemotherapies.
Wed, 17 Jun 09
Early and Easy Detection Of Alzheimer's Disease?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1_aRp5XpKKQ/090616122113.htm
A new diagnostic technique which may greatly simplify the detection of Alzheimer's disease has been discovered. There is currently no accepted blood test for Alzheimer's, and the diagnosis is usually based on expensive and labor-intensive neurological, neuropsychological and neuroimaging evaluations.
Wed, 17 Jun 09
Hybrid System Of Human-Machine Interaction Created
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DPEdIpOg9Ao/090616193908.htm
Scientists have created a "hybrid" system to examine real-time interactions between humans and machines (virtual partners). By pitting human against machine, they open up the possibility of exploring and understanding a wide variety of interactions between minds and machines, and establishing the first step toward a much friendlier union of man and machine, and perhaps even creating a different kind of machine altogether.
Wed, 17 Jun 09
Powerful Nutrient Cocktail Can Put Kids With Crohn's Into Remission
http://feeds.sciencedaily.com/~r/sciencedaily/~3/lno4RwuB4mQ/090616122119.htm
Treating children with inflammatory bowel disease (IBD) usually involves the same steroids-based medication prescribed to adults. But such treatments can have negative side effects for kids and teens dealing with IBD. A researcher now promotes liquid nutrition to combat inflammatory bowel disease.
Wed, 17 Jun 09
3-D, Real-time X-ray Images May Be Closer To Reality
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Y0pnSjuhxzo/090616103315.htm
Three-dimensional, real-time X-ray images may be closer to reality. New work on a process called high-harmonic generation, or HHG. X-ray radiation can be created by focusing an optical laser into atoms of gaseous elements – usually low-electron types such as hydrogen, helium, or neon.
Wed, 17 Jun 09
Developmental Experiences May Explain 'Unexplained' Medical Symptoms?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/7EddIATTpWc/090616080139.htm
A new theory on the role of developmental experiences has been described. Maternal perception of a threatening environment may be transmitted to the fetus when hormones cross the placenta and affect fetal physiology, effectively 'programming' the fetal stress response system and associated behaviors toward enhanced vigilance.
Wed, 17 Jun 09
Same-sex Behavior Seen In Nearly All Animals, Review Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/CHkwKlgEhaI/090616122106.htm
Same-sex behavior is a nearly universal phenomenon in the animal kingdom, common across species, from worms to frogs to birds, concludes a new review of existing research.
Wed, 17 Jun 09
Trans Fats Hinder Multiple Steps In Blood Flow Regulation Pathways
http://feeds.sciencedaily.com/~r/sciencedaily/~3/7bq7pExBV0o/090616121345.htm
Partially hydrogenated vegetable oils in processed foods contain trans fatty acids that interfere with the regulation of blood flow. A new report reveals a new way in which these "trans fats" gum up the cellular machinery that keeps blood moving through arteries and veins.
Wed, 17 Jun 09
Fossil Teeth Of Three-toed Browsing Horse Found In Panama Canal Earthworks
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4330Q0b9LxU/090608125103.htm
Rushing to salvage fossils from the Panama Canal earthworks, a paleontology intern unearthed a set of fossil teeth. Experts identified the fossil as Anchitherium clarencei, a three-toed browsing horse.
Wed, 17 Jun 09
Cells Are Like Robust Computational Systems, Scientists Report
http://feeds.sciencedaily.com/~r/sciencedaily/~3/sftgbWTIgFw/090616103205.htm
Gene regulatory networks in cell nuclei are similar to cloud computing networks, such as Google or Yahoo!, researchers report in the journal Molecular Systems Biology. The similarity is that each system keeps working despite the failure of individual components, whether they are master genes or computer processors.
Wed, 17 Jun 09
Living Near Fast Food Outlet Not A Weighty Problem For Kids
http://feeds.sciencedaily.com/~r/sciencedaily/~3/pTJfVLXRb5s/090616122115.htm
A new study contradicts the conventional wisdom that living near a fast food outlet increases weight in children and that living near supermarkets, which sell fresh fruit and vegetables as well as so called junk food, lowers weight.
Wed, 17 Jun 09
Tai Chi Benefits For Arthritis Shown
http://feeds.sciencedaily.com/~r/sciencedaily/~3/V2WOHObAV0M/090616103213.htm
Tai chi has been found to have positive health benefits for musculoskeletal pain. The results of the first comprehensive analysis of tai chi suggest that it produces positive effects for improving pain and disability among arthritis sufferers.
Wed, 17 Jun 09
Common Fish Species Has 'Human' Ability To Learn
http://feeds.sciencedaily.com/~r/sciencedaily/~3/43x3in61z0c/090616205515.htm
Although worlds apart, the way fish learn could be closer to humans' way of thinking than previously believed, suggests a new research study.
Wed, 17 Jun 09
Smokers' Muscles Tire More Quickly
http://feeds.sciencedaily.com/~r/sciencedaily/~3/jdPfT-wKrpU/090611194336.htm
Smokers' muscles tire much more quickly than those of non-smokers, irrespective of how many cigarettes they smoke per day or how long they have smoked.
Wed, 17 Jun 09
Ultrasonics Improves Surgeons’ View When Removing Tumors From The Pituitary Gland
http://feeds.sciencedaily.com/~r/sciencedaily/~3/u8uc7XEiDIY/090608143701.htm
Ultrasonics improves surgeons’ view when they remove tumors from the pituitary gland. Hidden in a little hollow in the skull, at about the level of the eye, we have a gland about the size of a blackcurrant. This is the hypophysis, or pituitary, the body’s center for hormone manufacture. The gland produces a wide range of hormones which in turn control other organs that manufacture yet more hormones.
Wed, 17 Jun 09
Protein May Be Strongest Indicator Of Rare Lung Disease, Study Shows
http://feeds.sciencedaily.com/~r/sciencedaily/~3/M9xK99oh2rw/090604095117.htm
Researchers have discovered a protein in the lungs that can help in determining progression of the rare lung disease idiopathic pulmonary fibrosis.
Wed, 17 Jun 09
Individuals Who Apply Pesticides Are Found To Have Double The Risk Of Blood Disorder
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1MaUih0FIis/090612163533.htm
A study involving 678 individuals who apply pesticides recently found that exposure to certain pesticides doubles one's risk of developing an abnormal blood condition called MGUS (monoclonal gammopathy of undetermined significance) compared with individuals in the general population.
Wed, 17 Jun 09
Why Do We Choose Our Mates? Ask Charles Darwin, Prof Says
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aQP_UG_kXoc/090615185428.htm
Charles Darwin wrote about it 150 years ago: animals don't pick their mates by pure chance -- it's a process that is deliberate and involves numerous factors. After decades of examining his work, experts agree that he pretty much scored a scientific bullseye, but a very big question is, "What have we learned since then?" asks a biologist who has studied Darwin's theories.
Wed, 17 Jun 09
Climate Change Already Having Impact On U.S., Expected To Worsen
http://feeds.sciencedaily.com/~r/sciencedaily/~3/5bx7GjOMTpY/090616133944.htm
Extreme weather, drought, heavy rainfall and increasing temperatures are a fact of life in many parts of the US as a result of human-induced climate change, researchers report. These and other changes will continue and likely increase in intensity into the future, the scientists found. For the southwest region of the United States, which includes California, the report forecasts a hotter, drier climate with significant effects on the environment, agriculture and health.
Wed, 17 Jun 09
Single Gene Found To Control Growth Of Some Cancers
http://feeds.sciencedaily.com/~r/sciencedaily/~3/x5R7L3bqScE/090612092739.htm
A single gene can control growth in cancers related to the Epstein-Barr virus and that existing therapeutics can inactivate it, according to new research.
Wed, 17 Jun 09
Chemical Fingerprint Of Barrett's Esophagus Identified
http://feeds.sciencedaily.com/~r/sciencedaily/~3/U8dnOGXuSQI/090608072016.htm
Canadian Light Source scientists used the synchrotron's infrared microscope to identify the chemical fingerprint of Barrett's esophagus, a condition that can lead to esophageal cancer.
Wed, 17 Jun 09
Obstructive Sleep Apnea Prevalent In Nonobese Patients
http://feeds.sciencedaily.com/~r/sciencedaily/~3/t1ATLY7w2kE/090609072723.htm
There is a high probability of obstructive sleep apnea in nonobese, middle-aged patients, according to new research.
Wed, 17 Jun 09
First Climate-based Model To Predict Dengue Fever Outbreaks
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bHB7i0SQsSg/090605171244.htm
Researchers have used global climatological data and vegetation indices from Costa Rica, to predict Dengue outbreaks in the region.
Wed, 17 Jun 09
The Dark Side Of Gifts: Feeling Indebted May Drive People To The Marketplace
http://feeds.sciencedaily.com/~r/sciencedaily/~3/IjwOPpdZXPo/090615171632.htm
You need to move out of your apartment. Do you call in your friends and family to haul boxes and furniture or contact a moving company? A new study in the Journal of Consumer Research shows that sometimes the emotions connected with asking for favors can actually drive people to the market.
Wed, 17 Jun 09
Autistics Better At Problem-solving, Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FLDSNnk8aLc/090616121339.htm
Autistics are up to 40 percent faster at problem-solving than non-autistics, according to a new study published in the journal Human Brain Mapping. As part of the investigation, participants were asked to complete patterns in the Raven's Standard Progressive Matrices -- test that measures hypothesis-testing, problem-solving and learning skills.
Wed, 17 Jun 09
Cardiac Rehabilitation Saves Lives
http://feeds.sciencedaily.com/~r/sciencedaily/~3/7yLfkSQjeDk/090608182539.htm
Coronary heart disease is the leading cause of death worldwide and a major driver of medical and economic costs, especially among older adults. It has long been established that cardiac rehabilitation improves survival, at least in middle-aged, low- and moderate-risk white men. Now a large study reports that older cardiac patients benefit as much from cardiac rehab as their younger counterparts.
Wed, 17 Jun 09
Advanced Image Analysis Can Provide Better Risk Assessment In Hardening Of The Arteries
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DPW13FQWomE/090605112331.htm
Ultrasound examination of the carotid artery is a patient-friendly and inexpensive method for assessing atherosclerosis and thereby predicting the risk of cardiovascular diseases. Researchers have now developed new analytical methods for ultrasound images that can provide more reliable and more exact assessments of atherosclerosis.
Wed, 17 Jun 09
Clearing Pneumococcal Bacteria From The Upper Airways
http://feeds.sciencedaily.com/~r/sciencedaily/~3/yGy3np5DeJY/090608182429.htm
The bacterium Streptococcus pneumoniae can be found in the upper airways (the nose, mouth, and throat) of most children. When living in the upper airways, S. pneumoniae is harmless. However, if the bacteria are carried to other sites, they cause disease, for example ear infections and life-threatening pneumonia.
Wed, 17 Jun 09
UK Tops The List Of 213 Countries At Extreme Risk To The Spread Of Swine Flu
http://feeds.sciencedaily.com/~r/sciencedaily/~3/A2MIwvK-zJk/090612122449.htm
A Warwick Business School professor and one of the founders of global risks specialist, Maplecroft, has released maps and indices revealing the countries most at risk from an influenza pandemic. The map of Risk of Spread shows the UK most at risk to the spread of an influenza pandemic.
Wed, 17 Jun 09
The Complicated Consumer: Positive Ads Aren't Always The Most Effective
http://feeds.sciencedaily.com/~r/sciencedaily/~3/tDFa41tG1UU/090615171630.htm
Ads that feature positive emotions, like happiness, are not always the best way to reach consumers, according to a new study in the Journal of Consumer Research.
Wed, 17 Jun 09
Super-computer Provides First Glimpse Of Earth's Early Magma Interior
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Ip9jPPDFqyE/090615153118.htm
By using a super-computer to virtually squeeze and heat iron-bearing minerals under conditions that would have existed when the Earth crystallized from an ocean of magma to its solid form 4.5 billion years ago, geochemists have produced the first picture of how certain forms of iron were initially distributed in the solid Earth.
Wed, 17 Jun 09
Key Target Of Aging Regulator Found
http://feeds.sciencedaily.com/~r/sciencedaily/~3/NJXcgboIYy0/090610133447.htm
Researchers have defined a key target of an evolutionarily conserved protein that regulates the process of aging. The study provides fundamental knowledge about key mechanisms of aging that could point toward new anti-aging strategies and cancer therapies.
Wed, 17 Jun 09
Lung Disease: Top Notch Decisions In The Developing Airways Bring Insights Into Lung Disease
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MHQwpni0UKg/090608143039.htm
In the normal lung, the airways are lined by a balanced mixture of ciliated, secretory and neuroendocrine cells which perform functions as diverse as air humidification, detoxification, and clearance of environmental particles. This balance can be altered dramatically by faulty adaptation responses of the lung to cigarette smoke or allergens in patients with chronic obstructive pulmonary disease and asthma.
Wed, 17 Jun 09
Engineering Stereotypes Drive Counterproductive Practices
http://feeds.sciencedaily.com/~r/sciencedaily/~3/CCWHe4OyKMw/090608182553.htm
Bad practices that many students believe will make them become expert engineers are the ire of managers who hire recent engineering graduates.
Wed, 17 Jun 09
Cognitive Behavioral Therapy Is An Effective Treatment For Chronic Insomnia
http://feeds.sciencedaily.com/~r/sciencedaily/~3/5Jbu7KeWclU/090609072709.htm
A majority of people experiencing chronic insomnia can experience a normalization of sleep parameters through the use of cognitive behavioral therapy for insomnia, according to new research.
Wed, 17 Jun 09
Betelgeuse, Red Supergiant In Constellation Orion, Has Shrunk By 15 Percent In 15 Years
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FVLBjiScRVE/090609220555.htm
The red supergiant star Betelgeuse, which is so large it would extend to Jupiter's orbit in our solar system, has steadily shrunk over the past 15 years, according to physicists. Since 1993, its radius has gone down by 15 percent, equivalent to the radius of Venus's orbit. This conclusion comes from unique laser interferometer observations.
Wed, 17 Jun 09
Sinus Infections May Be A Factor In Toxic Shock Syndrome In Children
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MAklsGfNh9Q/090615161709.htm
Rhinosinusitis (infection and inflammation in the sinus passages surrounding the nose) appears to be a primary factor in about one-fifth of toxic shock syndrome cases in children, according to a new article.
Wed, 17 Jun 09
Structure Of HIV Protein Shell Revealed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2X2K_Uoryu8/090612163537.htm
Scientists have provided a close-up look at the cone-shaped shell that is the hallmark of human immunodeficiency virus, revealing how it is held together -- and possible ways to break it apart.
Wed, 17 Jun 09
Prototype Breast Cancer Imaging System May Improve Patient Care
http://feeds.sciencedaily.com/~r/sciencedaily/~3/a3wF1YLlDKw/090615093931.htm
A prototype breast imaging system combining positron emission tomography and magnetic resonance imaging technologies could greatly improve breast cancer imaging capabilities, according to researchers.
Wed, 17 Jun 09
Hybrid Scanner Brings Molecular Functioning To The Forefront
http://feeds.sciencedaily.com/~r/sciencedaily/~3/99OFXGEgORs/090615144329.htm
A major barrier to developing a hybrid positron emission tomography/magnetic resonance imaging system could be removed by using a novel approach for reconstructing data, according to researchers.
Wed, 17 Jun 09
'Shortcuts' Of The Mind Lead To Miscalculations Of Weight And Caloric Intake, Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/wJOmfZVAV8c/090615153116.htm
Psychologists have identified a cognitive shortcut they call "Unit Bias," which causes people to ignore vital, obvious information in their decision-making process, points to a fundamental flaw in the modern, evolved mind and may also play a role in the American population's 30 years of weight gain.
Wed, 17 Jun 09
Rare Magnetar Discovered: Giant Eruption Reveals 'Dead' Star
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0PJiPZxP8_k/090616121353.htm
NASA's Swift satellite reported multiple blasts of radiation from a rare object known as a soft gamma repeater, or SGR. Astronomers have discovered a dead star belonging to a rare group: the magnetars.
Wed, 17 Jun 09
Breakthrough In Understanding Severe Asthma Has Potential For New Treatment
http://feeds.sciencedaily.com/~r/sciencedaily/~3/mJKRrOy9LTc/090615171515.htm
Scientists believe they have discovered a key element in the development of chronic asthma. Their research explains why the structure and function of asthmatic airways are changed or ''remodeled'' and how this contributes to chronic asthma.
Wed, 17 Jun 09
Robotic Ferret Will Detect Hidden Drugs And Weapons
http://feeds.sciencedaily.com/~r/sciencedaily/~3/TAl34fmplso/090612115531.htm
A new type of robot being developed will make it easier to detect drugs, weapons, explosives and illegal immigrants concealed in cargo containers.
Wed, 17 Jun 09
Breakthrough In Early Detection And Prevention Of Age-related Macular Degeneration
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0udPwC8MHag/090614153257.htm
Scientists have identified a new target for the diagnosis and treatment of age-related macular degeneration, the most common cause of blindness in older Americans.
Wed, 17 Jun 09
Sediment Yields Climate Record For Past Half-million Years
http://feeds.sciencedaily.com/~r/sciencedaily/~3/jvlcy_kT6KQ/090615171728.htm
Researchers here have used sediment from the deep ocean bottom to reconstruct a record of ancient climate that dates back more than the last half-million years. The record, trapped within the top 20 meters (65.6 feet) of a 400-meter (1,312-foot) sediment core drilled in 2005 in the North Atlantic Ocean by the Integrated Ocean Drilling Program, gives new information about the four glacial cycles that occurred during that period.
Wed, 17 Jun 09
The Sweet Taste Of Uncertainty: Winners Enjoy Waiting To Discover What They've Won
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0GtmSstC99E/090615171724.htm
You've just won a prize. Would you like to find out what it is right away, or wait until later? A new study in the Journal of Consumer Research says most people are happier waiting.
Tue, 16 Jun 09
Magnetic Super-atoms Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xnZPwU6oSrA/090615153120.htm
Scientists have discovered a "magnetic superatom" -- a stable cluster of atoms that can mimic different elements of the periodic table -- that one day may be used to create molecular electronic devices for the next generation of faster computers with larger memory storage.
Tue, 16 Jun 09
Newborn Weights Affected By Environmental Contaminants
http://feeds.sciencedaily.com/~r/sciencedaily/~3/j7iD-4EkV8s/090615144211.htm
Recent epidemiological studies have revealed an increase in the frequency of genital malformations in male newborns (e.g., un-descended testes) and a decrease in male fertility.
Tue, 16 Jun 09
If The Shoe Flits, Duck: Real-life Example Of Humans' Dual Vision System
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bn4tI_3ahn0/090611120736.htm
The reactions of former President George W. Bush and Iraq's Prime Minister Nouri al-Maliki when an Iraqi reporter flung his shoes toward the two men during a Baghdad news conference confirmed the results of an experiment being conducted by neuroscientists.
Tue, 16 Jun 09
Gene Vital To Early Embryonic Cells Forming A Normal Heart And Skull
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kpEY0jVsMZ8/090615171513.htm
New research highlights the critical role a certain gene and its protein play during early embryonic development on formation of a normal heart and skull.
Tue, 16 Jun 09
Reengineering A Food Poisoning Microbe To Carry Medicines And Vaccines
http://feeds.sciencedaily.com/~r/sciencedaily/~3/B3hyFTNMlGY/090615093923.htm
Scientists have used genetic engineering to tame one of the most deadly food poisoning microbes and turn it into a potential new way of giving patients medicine and vaccines in pills rather than injections.
Tue, 16 Jun 09
College Drinking Problems, Deaths On The Rise
http://feeds.sciencedaily.com/~r/sciencedaily/~3/lULGKrlPk1M/090615093919.htm
Alcohol-related deaths, heavy drinking episodes and drunk driving have all been on the rise on college campuses over the past decade, a new government study shows.
Tue, 16 Jun 09
New Exotic Material Could Revolutionize Electronics
http://feeds.sciencedaily.com/~r/sciencedaily/~3/g7nGewkSycA/090615144431.htm
Move over, silicon -- it may be time to give the Valley a new name. Physicists have confirmed the existence of a type of material that could one day provide dramatically faster, more efficient computer chips.
Tue, 16 Jun 09
New Method Separates Cancer Cells From Normal Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/dLJt6OQN3Gc/090615144219.htm
Researchers have demonstrated a novel and simple method that can direct and separate cancer cells from normal cells. The device, which takes advantage of a physical principle called ratcheting, is a very tiny system of channels for cell locomotion. Based on this method, they have proposed that cancer cells possibly could be sequestered permanently in a sort of "cancer trap" made of implantable and biodegradable materials.
Tue, 16 Jun 09
Deforestation Causes 'Boom-and-bust' Development In The Amazon
http://feeds.sciencedaily.com/~r/sciencedaily/~3/qvhwWAot4SU/090611142358.htm
Clearing the Amazon rainforest increases Brazilian communities' wealth and quality of life, but these improvements are short-lived, according to new research published in Science. The study shows that levels of development revert back to well below national average levels when the loggers and land clearers move on.
Tue, 16 Jun 09
Genes That Regulate Human Circadian Rhythm Significantly Disturbed In Individuals With Arthritis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_q6ZoYTlNN0/090610124629.htm
The genes that regulate human circadian rhythm, or 'the body clock', are significantly disturbed in individuals with arthritis, according to a new study. Notably, a specific genetic pathway has been identified as responsible for interactions between the genes that regulate the body clock and those that may worsen symptoms of arthritis.
Tue, 16 Jun 09
Method To Precisely Glue Particles Together On The Micro- And Nano-scale Created
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ucAPgshbV5c/090614153303.htm
Researchers have created a method to precisely bind nano- and micrometer-sized particles together into larger-scale structures with useful materials properties. Their work overcomes the problem of uncontrollable sticking, which had been a barrier to the successful creation of stable microscopic and macroscopic structures with a sophisticated architecture.
Tue, 16 Jun 09
Neural Mechanism Supports Survival In An Uncertain World
http://feeds.sciencedaily.com/~r/sciencedaily/~3/lDaBQgsc4M0/090610124413.htm
A new study uncovers a pivotal role for the human frontal lobe in the promotion of behavioral flexibility during voluntary choice. The work presents a critical new neural mechanism that supports the decision to adapt or maintain behavior when change is not explicitly instructed by the external environment.
Tue, 16 Jun 09
Is The Sky The Limit For Wind Power? High-flying Kites Could Light Up New York
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0_-AEKLOIWc/090615102038.htm
In the future, will wind power tapped by high-flying kites light up New York? A new study identifies New York as a prime location for exploiting high-altitude winds, which globally contain enough energy to meet world demand 100 times over.
Tue, 16 Jun 09
Popular Alzheimer's Theory May Be False Trail
http://feeds.sciencedaily.com/~r/sciencedaily/~3/TTLqOQJ2s4g/090615144209.htm
Researchers have discovered that inflammation of microglia -- an abundant cell type that plays an important supporting role in the brain -- does not appear to be associated with dementia in Alzheimer's disease. The finding could influence how scientists proceed with Alzheimer's therapies.
Tue, 16 Jun 09
Protein Regulates Movement Of Mitochondria In Brain Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/OdkzsnnzLMc/090615093925.htm
Scientists have identified a protein in the brain that plays a key role in the function of mitochondria -- the part of the cell that supplies energy, supports cellular activity, and potentially wards off threats from disease. The discovery may shed new light on how the brain recovers from stroke.
Tue, 16 Jun 09
New Strategy Proposed For Designing Antibody-based HIV Vaccine
http://feeds.sciencedaily.com/~r/sciencedaily/~3/yJujcQgfDcM/090614153248.htm
Most vaccines that protect against viruses generate infection-fighting proteins called antibodies that either block infection or help eliminate the virus before it can cause disease. Attempts to create a vaccine that induces antibodies that prevent HIV infection or disease, however, have so far been unsuccessful. But several recent studies suggest promising new research directions for the development of an antibody-based HIV vaccine.
Tue, 16 Jun 09
Do And Don't Of Building In Hurricane-prone Areas
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2N3-45X9z_s/090615144213.htm
Experts have evaluated the best building design and construction practices to reduce wind pressures on building surfaces and to resist high winds and hurricanes in residential or commercial construction.
Tue, 16 Jun 09
Brain Energy Use Key To Understanding Consciousness
http://feeds.sciencedaily.com/~r/sciencedaily/~3/twPztqB7Ag0/090615171517.htm
High levels of brain energy are required to maintain consciousness, a finding which suggests a new way to understand the properties of this still mysterious state of being, researchers report.
Tue, 16 Jun 09
Meteorite Grains Divulge Earth's Cosmic Roots
http://feeds.sciencedaily.com/~r/sciencedaily/~3/uee4-D9sSsU/090615171722.htm
The interstellar stuff that became incorporated into the planets and life on Earth has younger cosmic roots than theories predict, according to researchers.
Tue, 16 Jun 09
Young Adults Not Drinking Enough Milk, Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/c58GEEbjw3o/090615102032.htm
Because peak bone mass is not achieved until the third decade of life, it is particularly important for young adults to consume adequate amounts of calcium, protein and vitamin D found in dairy products to support health and prevent osteoporosis later in life. Researchers now report that young people actually reduce their intake of calcium and dairy products as they enter their twenties.
Tue, 16 Jun 09
Transparent Solar Cells Made For Windows
http://feeds.sciencedaily.com/~r/sciencedaily/~3/h-F1fPzxPNA/090610161004.htm
If solar cells were transparent, they could be fitted to windows and building facades. Physical modeling helps in the development of suitable materials for transparent electronics and thus in creating the basis for transparent solar cells.
Tue, 16 Jun 09
How A Protein Helps Nerve Cells Recycle Synaptic Vesicles
http://feeds.sciencedaily.com/~r/sciencedaily/~3/nALhCQ26qRU/090602161932.htm
Neurons transmit electrical signals efficiently only when they recycle neurotransmitter-carrying vesicles that have been expelled into the synapse. Researchers now report that the recycling of vesicles is controlled by oligophrenin-1, a protein whose lack of function has been known to cause a brain developmental disorder called X-linked mental retardation.
Tue, 16 Jun 09
Algorithm Can Get Most Pollution Control For The Money
http://feeds.sciencedaily.com/~r/sciencedaily/~3/U3pZgcqZ6D4/090615153122.htm
There may be thousands of things large and small that can be done to better control pollution on even the smallest waterways, and a new tool may help sort out how to choose the best ones.
Tue, 16 Jun 09
What Limits The Size Of Birds?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-aPI5yIzg80/090615203056.htm
Biologists provide evidence that maximum body size in birds is constrained by the amount of time it takes to replace the flight feathers during molt.
Tue, 16 Jun 09
Two Gene Locations Linked To Multiple Sclerosis Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/dT7YRl49stU/090614153259.htm
Australian and New Zealand researchers have accelerated research into multiple sclerosis by discovering two new locations of genes which will help to unravel the causes of MS and other autoimmune disease.
Tue, 16 Jun 09
Relationship Between Bone Density And Erosion In Arthritis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/O7zzIhx38S0/090601182920.htm
Rheumatoid arthritis, the most common form of inflammatory arthritis, affects almost three percent of people over age 65. RA patients experience pain, functional limitations and two forms of disabling bone disease: focal erosions and osteoporosis.
Tue, 16 Jun 09
The Dawn Of Quantum Applications
http://feeds.sciencedaily.com/~r/sciencedaily/~3/XbIYvqDhtpI/090615152926.htm
Technologies that exploit the unique weirdness of quantum mechanics could debut in the very near future, thanks to the groundbreaking work of a huge European research consortium.
Tue, 16 Jun 09
FDA Warnings Led To Unintended Changes In Depression Diagnosis, New Report Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/dzPiQBP-9hg/090601182818.htm
Government warnings about suicidality among children taking antidepressants appear to be associated with unintended and persistent changes in the diagnosis and treatment of depression in children and adults, according to a new report.
Tue, 16 Jun 09
Researchers Test Nanoparticle To Treat Cardiovascular Disease In Mice
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Dcwg7hohUKY/090604155619.htm
Scientists and engineers have developed a nanoparticle that can attack plaque -- a major cause of cardiovascular disease.
Tue, 16 Jun 09
Mouse Experiments Shed Light On Age Effects In Arthritis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/SPsF3BVW708/090610192433.htm
Older mice are more susceptible to proteoglycan-induced arthritis. Researchers writing in BioMed Central's open access journal Immunity & Ageing have shown, for the first time, that young mice are completely resistant, but become fully susceptible to the disease with age.
Tue, 16 Jun 09
Dentures: 3D Digital Images Of Tooth Contours May Replace Plaster Models
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Pgh_BlcdG_I/090605091852.htm
Using current technology, dental technicians can only make dentures using a bite impression. The silicone template for this plaster model is made by the dentist, in a procedure which is unpleasant for the patient. In the future, a 3-D digitizer will provide the teeth contours -- without a plaster model.
Tue, 16 Jun 09
Protein Linked To Alzheimer's Disease Doesn't Act Alone
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ceLU2K88yr8/090609220549.htm
Neuroscientists are steadily uncovering the role that amyloid precursor protein (APP) -- the protein implicated in development of Alzheimer's disease -- plays in normal brain function. They have discovered that APP interacts with another protein known as Reelin to promote development of abundant connections between brain neurons.
Tue, 16 Jun 09
Two Signals -- From Within And Out Of Cell -- Specify Motor Neuron Differentiation
http://feeds.sciencedaily.com/~r/sciencedaily/~3/g9VUTOF3WlQ/090610124411.htm
Two signals -- an external one from retinoic acid and an internal one from the transcription factor Neurogenin2 -- cooperate to activate chromatin (the basic material of chromosomes), and help determine that certain nerve progenitor cells become motor neurons, according to new research.
Tue, 16 Jun 09
Older Adults Less Affected By Sleep Deprivation Than Younger Adults During Cognitive Performance
http://feeds.sciencedaily.com/~r/sciencedaily/~3/mn7FOah1a5o/090610091333.htm
Older adults are able to retain better cognitive functioning during sleep deprivation than young adults, according to new research.
Tue, 16 Jun 09
How Prion Protein Damages Brain Cells: Findings Could Advance Understanding Of Mad Cow Disease, Related Disorders
http://feeds.sciencedaily.com/~r/sciencedaily/~3/YrRTdlMIeK4/090610124420.htm
Scientists have gained a major insight into how the rogue protein responsible for mad cow disease and related neurological illnesses destroys healthy brain tissue.
Tue, 16 Jun 09
Wine In A Box? Think 'Good' Not 'Gauche'
http://feeds.sciencedaily.com/~r/sciencedaily/~3/VcKtBivOqz0/090608091339.htm
In a surprise discovery that may help boxed wine shake off its image as a gauche alternative to bottles, scientists in Canada are reporting that multilayer aseptic cartons (a.k.a. 'boxes') may help reduce levels of substances that contribute odors to wine and can lower its quality.
Tue, 16 Jun 09
Natural Hormone Offers Hope For Treatment Of The Metabolic Syndrome
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aMQXfgSKNUY/090610091226.htm
Angiotensin 1-7, a hormone in the body that has cardiovascular benefits, improves the metabolic syndrome in rats, according to a new study.
Tue, 16 Jun 09
Scientists Create Custom 3-dimensional Structures With 'DNA Origami'
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aS1_N2AWJnA/090520140405.htm
By combining the art of origami with nanotechnology, researchers have folded sheets of DNA into multilayered objects with dimensions thousands of times smaller than the thickness of a human hair. These tiny structures could be forerunners of custom-made biomedical nanodevices such as "smart" delivery vehicles that would sneak drugs into patients' cells, where they would dump their cargo on a specific molecular target.
Tue, 16 Jun 09
Less Than Half Of Older Americans Get The Recommended 8 Hours Of Nightly Sleep
http://feeds.sciencedaily.com/~r/sciencedaily/~3/QkzPzTIxszk/090610091238.htm
Older Americans with depressive symptoms and poor mental health tend to get seven hours of sleep per night or less, according to new research.
Tue, 16 Jun 09
Marijuana Damages DNA And May Cause Cancer, New Test Reveals
http://feeds.sciencedaily.com/~r/sciencedaily/~3/RDcGtUE__uc/090615095940.htm
Using a highly sensitive new test, scientists are reporting "convincing evidence" that marijuana smoke damages the genetic material DNA in ways that could increase the risk of cancer.
Tue, 16 Jun 09
Human Embryonic Stem Cells Could Safely Treat Eye Diseases, Research Suggests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/qO0jaNqfStM/090611174054.htm
Advanced Cell Technology and its collaborators at OHSU report the long-term safety and efficacy of human embryonic stem cell (hESC)-derived retinal pigment epithelium produced under manufacturing conditions suitable for human clinical trials. The research shows long-term functional rescue using hESC-derived cells in both the RCS rat and Elov14 mouse, animal models of retinal degeneration and Stargardt disease, respectively.
Tue, 16 Jun 09
Siberian Jays Use Complex Communication To Mob Predators
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ECNz2iVVHQk/090608125101.htm
When mobbing predators, Siberian jays use over a dozen different calls to communicate the level of danger and predator category to other members of their own group. A new shows birds have evolved call systems that are as sophisticated as those of primates and meerkats.
Tue, 16 Jun 09
Hormone Therapy May Confer More Aggressive Properties To Prostate Tumors
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ZbYK49EV4yY/090610074521.htm
Hormone therapy is often given to patients with advanced prostate cancer. While it is true that the treatment prevents growth of the tumor, it also changes its properties. Some of these changes may result in the tumor becoming more aggressive and more liable to form metastases.
Tue, 16 Jun 09
Fire Mitigation Work In Western US Misplaced, Says New Study
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Kg9TUFRqcE0/090608182433.htm
Only 11 percent of wildfire mitigation efforts undertaken as a result of a long-term federal fuels-reduction program to cut down catastrophic wildfire risk to communities have been undertaken near people's homes or offices in the past five years, says a new study.
Tue, 16 Jun 09
First-time Moms' Exhaustion Caused By Sleep Fragmentation, Rather Than Timing Of Sleep
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2nQJ7nXcf0U/090610091339.htm
Contrary to popular belief, the timing of sleep in new mothers is preserved after giving birth, according to new research.
Mon, 15 Jun 09
Tiny Frozen Microbe May Hold Clues To Extraterrestrial Life
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kAR7DqTCw14/090614201734.htm
A novel bacterium -- trapped three kilometers under glacial ice for over 120,000 years -- may hold clues as to what life forms might exist on other planets.
Mon, 15 Jun 09
Father's Sperm Delivers Much More Complex Material Than Previously Thought
http://feeds.sciencedaily.com/~r/sciencedaily/~3/PqNYaxHvpew/090614153253.htm
It was long believed that conception does not involve equals. The egg is a relatively large biological factory compared with the tiny sperm, which delivers to the egg one copy of the father's genes. However, a new study reveals that the father's sperm delivers much more complex genetic material than previously thought. The findings could lead to a test to help couples deal with infertility.
Mon, 15 Jun 09
Stress Makes Your Hair Go Gray
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cWRfZeb2uhM/090611120734.htm
Those pesky graying hairs that tend to crop up with age really are signs of stress, reveals a new report.
Mon, 15 Jun 09
Genetically Elevated Levels Of Lipoprotein Associated With Increased Risk Of Heart Attack
http://feeds.sciencedaily.com/~r/sciencedaily/~3/e3gndHrjkK0/090609215933.htm
A genetic analysis of data from three studies suggests that genetically elevated levels of lipoprotein(a) are associated with an increased risk of heart attack, according to a new study.
Mon, 15 Jun 09
Tunable Graphene Bandgap Opens The Way To Nanoelectronics And Nanophotonics
http://feeds.sciencedaily.com/~r/sciencedaily/~3/p-O97G5wODQ/090610133453.htm
Graphene's electrical properties include electrons so mobile they travel at near light speed. But without a bandgap, graphene's promise for electronics and photonics can't be realized. Now researchers can precisely tune a bandgap in bilayer graphene from zero to 0.25 eV, in the infrared energy region.
Mon, 15 Jun 09
Symptoms Of Depression In Obese Children Linked To Elevated Cortisol
http://feeds.sciencedaily.com/~r/sciencedaily/~3/J49fBWGJPiQ/090611142520.htm
A new study connects abnormalities of the "stress" hormone cortisol with symptoms of depression in obese children, and confirms that obesity and depression often occur together, even in children.
Mon, 15 Jun 09
HIV-1's 'Hijacking Mechanism' Pinpointed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/igXuVdIYhWM/090610154501.htm
Researchers may have found a chink in the armor of the human immunodeficiency virus type 1 (HIV-1), the microorganism which causes AIDS.
Mon, 15 Jun 09
Reviving American Chestnut Trees May Mitigate Climate Change
http://feeds.sciencedaily.com/~r/sciencedaily/~3/PS6tsNV_Yds/090610154457.htm
A new study shows that introducing a new hybrid of the American chestnut tree would not only bring back the all-but-extinct species, but also put a dent in the amount of carbon in the Earth's atmosphere.
Mon, 15 Jun 09
Colon Cancer Screening Technique Shows Continued Promise In New Study
http://feeds.sciencedaily.com/~r/sciencedaily/~3/TIPAJVpgGT4/090609122228.htm
Recent clinical trials show that a new colon cancer screening technique has a high enough sensitivity that it could potentially be as or more successful than a colonoscopy in screening for colon cancer.
Mon, 15 Jun 09
Microbes Found That Eat Hydrocarbons, And Leave Behind Non-toxic Residue
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6dRWK5au2Eg/090611110824.htm
Bioremediation of industrial sites and petrochemical spillages often involves finding microbes that can gorge themselves on the toxic chemicals. This leaves behind a non-toxic residue or mineralized material. Researchers in China describe studies of a new microbe that can digest hydrocarbons.
Mon, 15 Jun 09
Vast Majority Won’t Have Access To Antivirals In Pandemic, But Generic Drugs Could Help Prevent Deaths
http://feeds.sciencedaily.com/~r/sciencedaily/~3/yVeKICD54LI/090612122451.htm
Almost 90 percent of the world's population will not have timely access to affordable supplies of vaccines and antiviral agents in the current influenza pandemic. But it is possible that inexpensive generic drugs that are readily available for treating diabetes and lowering cholesterol, even in developing countries, could save millions of lives. That's the conclusion reached by a new and an extensive research review and analysis.
Mon, 15 Jun 09
Evolution Can Occur In Less Than 10 Years, Guppy Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/25FSc-Dex24/090610185526.htm
How fast can evolution take place? In just a few years, according to a new study on guppies. Researchers found that guppies introduced to a low-predation environment adapted to their new environment by producing larger and fewer offspring with each reproductive cycle. No such adaptation was seen in guppies that colonized a high-predation environment.
Mon, 15 Jun 09
Huntington's Disease Deciphered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/5XsQXDqVXy8/090614153250.htm
Researchers have discovered how the mutated Huntington gene acts on the nervous system to create the devastation of Huntington's disease.
Mon, 15 Jun 09
Fungus Species Traced Using The Internet
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aQYpi0AOH1g/090610160910.htm
Studying the ecology and distribution of plants does not take place solely in the forest. A new way of searching in scientific databases has enabled researchers to discover kinship between fungi from Sweden and Thailand - and has revealed some species with incorrect generic names into the bargain.
Mon, 15 Jun 09
Four Risk Factors Raise Probability Of Developing Precursor Of Heart Failure
http://feeds.sciencedaily.com/~r/sciencedaily/~3/UElB06HKJkQ/090608162443.htm
High blood pressure, excessive weight, smoking and diabetes are strongly linked with increased size of the left ventricle, a major cause of heart failure. People without these four factors suffered almost no increase in ventricle size over the 20-year study. A separate study calculated the 30-year risk of cardiovascular disease, which may help people better understand their long-term risk.
Mon, 15 Jun 09
Advance In Understanding Cellulose Synthesis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/K4_zJ6R0J28/090614153301.htm
Cellulose makes up plant cell walls, gives plants shape and form and is a target of renewable, plant-based biofuels research. But how it forms, and thus how it can be modified to design energy-rich crops, is not well understood. Now a study has discovered that the underlying protein network that provides the scaffolding for cell-wall structure is also the traffic cop for delivering critical growth-promoting molecules where needed.
Mon, 15 Jun 09
Better Sleep Is Associated With Improved Academic Success
http://feeds.sciencedaily.com/~r/sciencedaily/~3/rK2ie2-3In8/090610091232.htm
Getting more high-quality sleep is associated with better academic performance, according to a new research. The positive relationship is especially relevant to performance in math.
Mon, 15 Jun 09
Wiping Out Tooth Infections: Cool Plasma Packs Heat Against Biofilms
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aHjw3yY3OPU/090610154503.htm
Miniature plasma -- silent and cool to the touch -- wipes out tenacious infections quickly and easily in teeth. The technology could eventually replace some antibiotic treatments for battling local infections.
Mon, 15 Jun 09
Fifty-one Genes Predict Breast Cancer Survival
http://feeds.sciencedaily.com/~r/sciencedaily/~3/YnblakD3gsE/090610160908.htm
It may be possible in the future to use a specimen from the tumor to determine which patients with breast cancer have a good chance of overcoming the disease, and which patients should be given more intensive treatments. Fifty-one genes may together provide information about the prognosis for an individual patient.
Mon, 15 Jun 09
One Moose, Two Moose: Scientist Seeks Correction In Number Of Species
http://feeds.sciencedaily.com/~r/sciencedaily/~3/wDQQv97bQ6Q/090612203305.htm
It is a misinterpretation of the application of the bedrock of scientific naming with regard to the number of moose species that an Alaskan wildlife geneticist seeks to correct.
Mon, 15 Jun 09
Health Risks Begin In Overweight Range, BMI Doesn't Tell Whole Story
http://feeds.sciencedaily.com/~r/sciencedaily/~3/uP78OeUGkNI/090608162539.htm
Being overweight increases the risk for cardiovascular disease, type 2 diabetes and other health conditions. Excess weight is progressive; thus, everyone above normal weight -- including children -- should avoid weight increases and reduce weight through healthy diet choices and regular physical activity. The statement recommends doing research on overweight and health, beyond studies that focus solely on the relationship between total body mass index and risk of death.
Mon, 15 Jun 09
Closing The Gaps In The Human Genome
http://feeds.sciencedaily.com/~r/sciencedaily/~3/72sW_c9oSaM/090601211425.htm
Sequence gaps in human chromosome 15 have been closed by the application of 454 technology. Researchers have described a simple and scalable method for finishing nonstructural gaps in genome assemblies.
Mon, 15 Jun 09
Poor Sleep Is Associated With Lower Relationship Satisfaction In Both Women And Men
http://feeds.sciencedaily.com/~r/sciencedaily/~3/uPnUdjyVDWU/090610091337.htm
A bidirectional association exists between couples' sleep quality and the quality of their relationship, according to new research.
Mon, 15 Jun 09
Urban Myth Disproved: Fingerprints Do Not Improve Grip Friction
http://feeds.sciencedaily.com/~r/sciencedaily/~3/WdFgM_ZcHVk/090612092729.htm
Everyone thinks that they know what fingerprints are for: to improve your grip's friction. But it turns out that this urban myth is wrong. Scientists have proved that instead of improving your grip, fingerprints drastically reduce friction.
Mon, 15 Jun 09
Bariatric Surgery Increases Risk Of Fractures, Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/wrB82wPUZlk/090611120738.htm
After weight loss surgery, people have nearly twice the expected risk of breaking a bone and an even higher risk of a foot or hand fracture, a new study has found.
Mon, 15 Jun 09
Trimming The Fat Boosts Blood Recovery After Marrow Transplant
http://feeds.sciencedaily.com/~r/sciencedaily/~3/iker1N0nM-s/090610133455.htm
Seeking ways to improve blood recovery after chemotherapy or bone marrow transplant, researchers have discovered that fat cells, which accumulate in bone marrow as people age, inhibit the marrow's ability to produce new blood cells. Their study suggests that blocking this fatty infiltration could help enhance patients' recovery after transplant.
Mon, 15 Jun 09
Diabetes Patients Should Have Regular Exercise, Weight Training
http://feeds.sciencedaily.com/~r/sciencedaily/~3/GDcPyRWgsDQ/090608162541.htm
To reduce their cardiovascular risk, patients with type 2 diabetes should do at least two-and-a-half hours per week of moderate-intensity or one-and-a-half hours per week of vigorous-intensity aerobic exercise or a combination of the two. Resistance training can also benefit people with type 2 diabetes. Regular exercise can reduce or eliminate the need for medication in some patients with type 2 diabetes.
Mon, 15 Jun 09
Predicted Ground Motions For Great Earthquake In Pacific Northwest: Seattle, Victoria And Vancouver
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Cz2buBXzdLI/090610185522.htm
A new study evaluates expected ground motion in Seattle, Victoria and Vancouver from earthquakes of magnitude 7.5 - 9.0, providing engineers and policymakers with a new tool to build or retrofit structures to withstand seismic waves from large "subduction" earthquakes off the continent's west coast.
Mon, 15 Jun 09
Meditation May Be An Effective Treatment For Insomnia
http://feeds.sciencedaily.com/~r/sciencedaily/~3/TMrTw-UTr9g/090609072719.htm
Meditation may be an effective behavioral intervention in the treatment of insomnia, according to new research.
Sun, 14 Jun 09
Swine Flu Origins Revealed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6Iw8I4hyZpI/090613063849.htm
A new analysis of the current swine-origin H1N1 influenza A virus suggests that transmission to humans occurred several months before recognition of the existing outbreak.
Sun, 14 Jun 09
New Test Could Help Diagnose Early Dementia
http://feeds.sciencedaily.com/~r/sciencedaily/~3/X36PsMcP17k/090609220603.htm
A new cognitive test for detecting Alzheimer's disease is quicker and more accurate than many current tests, and could help diagnose early dementia.
Sun, 14 Jun 09
Mathematicians Take Aim At 'Phantom' Traffic Jams: New Model Could Help Design Better Roads
http://feeds.sciencedaily.com/~r/sciencedaily/~3/dNhXeA90Qt0/090608151550.htm
Countless hours are lost in traffic jams every year. Most frustrating of all are those jams with no apparent cause -- no accident, no stalled vehicle, no lanes closed for construction. Such phantom jams can form when there is a heavy volume of cars on the road. In that high density of traffic, small disturbances (a driver hitting the brake too hard, or getting too close to another car) can quickly become amplified into a full-blown, self-sustaining traffic jam. A team of mathematicians has developed a model that describes how and under what conditions such jams form, which could help road designers minimize the odds of their formation.
Sun, 14 Jun 09
Colorectal Cancer Rates Increasing Worldwide
http://feeds.sciencedaily.com/~r/sciencedaily/~3/M57aOmaMu5o/090609124608.htm
A new study finds colorectal cancer incidence rates for both males and females increased in 27 of 51 countries worldwide between 1983 and 2002, and points to increasing Westernization as being a likely culprit.
Sun, 14 Jun 09
Postpartum Anxiety Delays Puberty In Offspring
http://feeds.sciencedaily.com/~r/sciencedaily/~3/38CFilliLVc/090610124424.htm
Hormonal changes early in pregnancy cause maternal postpartum anxiety and behavior changes that can lead to a delayed onset of puberty in both birth and adoptive daughters, according to a new study conducted in mice.
Sun, 14 Jun 09
Abrupt Global Warming Could Shift Monsoon Patterns, Hurt Agriculture
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xHGP3-wS8as/090611142354.htm
At times in the distant past, an abrupt change in climate has been associated with a shift of seasonal monsoons to the south, a new study concludes, causing more rain to fall over the oceans than in the Earth's tropical regions, and leading to a dramatic drop in global vegetation growth.
Sun, 14 Jun 09
Supernova Remnant Is An Unusual Suspect
http://feeds.sciencedaily.com/~r/sciencedaily/~3/i6KjFsCyajI/090609130800.htm
A new image from NASA's Chandra X-ray Observatory shows a supernova remnant with a different look. This object, known as SNR 0104-72.3 (SNR 0104 for short), is in the Small Magellanic Cloud, a small neighboring galaxy to the Milky Way. Astronomers think that SNR 0104 is the remains of a so-called Type Ia supernova caused by the thermonuclear explosion of a white dwarf.
Sun, 14 Jun 09
Risk Of Transmission Of Huntington's Disease To Offspring Among Male Carriers Estimated
http://feeds.sciencedaily.com/~r/sciencedaily/~3/TcQ_7auugHY/090609111227.htm
Researchers have quantified the probability of a male who carries a "high normal" variant of the Huntington's disease gene having a child who develops the disease. Although thought to be a very rare event, the probability has never been estimated using current information and disease guidelines. The findings may be useful during prenatal genetic counseling.
Sun, 14 Jun 09
Zebra Mussels Hang On While Quagga Mussels Take Over
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2B95pCbZC0s/090612092733.htm
The zebra mussels that have wreaked ecological havoc on the Great Lakes are harder to find these days -- not because they are dying off, but because they are being replaced by a cousin, the quagga mussel. But zebra mussels still dominate in fast-moving streams and rivers.
Sun, 14 Jun 09
Hypertension Among Lower-status Employees Lingers Well Into Retirement
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Bnm8W7OigFE/090609220717.htm
Retirement from some occupations may not provide relief from the potentially devastating health effects of work-related hypertension, according to a new study.
Sun, 14 Jun 09
How A Common Genetic Mutation Makes Cancer Radiation Resistant
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ewCymPoUFBE/090610091349.htm
Many cancerous tumors possess a genetic mutation that disables a tumor suppressor called PTEN. Now researchers have shown why inactivation of PTEN allows tumors to resist radiation therapy.
Sun, 14 Jun 09
From Oxygen Transport To Melanin Formation: Activation Mechanism Of Key Enzymes Explained
http://feeds.sciencedaily.com/~r/sciencedaily/~3/VnV0r45Wvzw/090604104852.htm
Researchers have made use of cryo-electron microscopy to show the exact process of enzyme activation. Pandinus imperator, the emperor scorpion, is not only popular as a pet, but is also of interest for research purposes. The reason for this is its blue blood, which transports oxygen and distributes it throughout the body.
Sun, 14 Jun 09
Multivitamins In Pregnancy Reduce Risk Of Low Birth Weights
http://feeds.sciencedaily.com/~r/sciencedaily/~3/c10r_8XJpPw/090608182549.htm
Prenatal multivitamin supplements are associated with a significantly reduced risk of babies with a low birth weight compared with prenatal iron-folic acid supplementation, found a new study in the Canadian Medical Association Journal.
Sun, 14 Jun 09
Computing In The Quantum Dimension
http://feeds.sciencedaily.com/~r/sciencedaily/~3/UzNGLqUfWJ0/090612122453.htm
A consortium of European researchers is solving some of the fundamental obstacles blocking real quantum computing applications in the short term. At the same time, it is helping to pave the way to a quantum computer.
Sun, 14 Jun 09
Pre-pregnancy Depressed Mood May Heighten Risk For Premature Birth
http://feeds.sciencedaily.com/~r/sciencedaily/~3/jIHnOvmMSnU/090610133555.htm
Researchers trying to uncover why premature birth is a growing problem in the United States and one that disproportionately affects black women have found that pre-pregnancy depressive mood appears to be a risk factor in preterm birth among both blacks and whites.
Sun, 14 Jun 09
Exploring New Therapy Strategies For Tuberculosis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6pbtcdoU084/090613105602.htm
Certain protein degradation complexes, molecular "shredders" dispose of protein garbage. Molecular machines of this kind have now been successfully decoded and show how proteins in tuberculosis bacteria are prepared for disposal.
Sun, 14 Jun 09
How Cancers Spread To The Brain
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xVHq_5IKwF0/090613064344.htm
Research has shown for the first time how cancers that spread to the brain establish themselves and begin to grow.
Sat, 13 Jun 09
Life May Extend Planet's 'Life': Billion-year Life Extension For Earth Also Doubles Odds Of Finding Life On Other Planets
http://feeds.sciencedaily.com/~r/sciencedaily/~3/sek7DIXUNYA/090612203303.htm
Roughly a billion years from now, the ever-increasing radiation from the sun will have heated Earth into inhabitability; the carbon dioxide in the atmosphere will disappear; the oceans will evaporate; and all living things will disappear. Or maybe not quite so soon, say researchers who've found a mechanism that doubles the future lifespan of the biosphere -- and increases the chance advanced life will be found elsewhere in the universe.
Sat, 13 Jun 09
Laptops Linked To Male Infertility
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Hz4q2IR_9iE/090612202347.htm
While fatherhood might be far from the minds of most young men, behavior patterns they establish early on may impact their ability to become a dad later in life. Excessive laptop use tops this list of liabilities, according to one reproductive specialist.
Sat, 13 Jun 09
Endangered Right Whales Identified Where They Were Presumed Locally Extinct
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DDvgYJ9Hjt0/090609132412.htm
Using a system of underwater hydrophones that can record sounds from hundreds of miles away, scientists have documented the presence of endangered North Atlantic right whales in an area they were thought to be locally extinct.
Sat, 13 Jun 09
Low-fat Diet Helps Genetically Predisposed Animals Avoid Liver Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/nIX2mO_5iwU/090611160702.htm
In a study comparing two strains of mice, one susceptible to developing cancer and the other not, researchers found that a high-fat diet predisposed the cancer-susceptible strain to liver cancer, and that by switching to a low-fat diet early in the experiment, the same high-risk mice avoided the malignancy. The switched mice were lean rather than obese and had healthy livers at the end of the study.
Sat, 13 Jun 09
Jumping Genes Discovery Challenges Current Assumptions
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cokH2CJHMFw/090611160700.htm
Jumping genes do most of their jumping, not during the development of sperm and egg cells, but during the development of the embryo itself. The research challenges standard assumptions on the timing of when mobile DNA, so-called jumping genes, insert into the human genome.
Sat, 13 Jun 09
Don't Stand So Close To Me: Proximity Defines How We Think Of Contagion
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ed-fyVY2b4Q/090612115537.htm
These results reveal that we tend to view products that are grouped close together as being "contagious." It appears that if one of the products has a prominent good or bad quality, we will see that quality as spreading among other objects which are close by, a phenomenon known as the "group-contagion effect."
Sat, 13 Jun 09
Maple Seeds And Animals Exploit The Same Trick To Fly
http://feeds.sciencedaily.com/~r/sciencedaily/~3/o3mZII9sBZA/090611142356.htm
The twirling seeds of maple trees spin like miniature helicopters as they fall to the ground. Because the seeds descend slowly as they swirl, they're carried aloft by the wind and dispersed over great distances. Just how the seeds manage to fall so slowly, however, has mystified scientists. In research published in Science, researchers describe the aerodynamic secret of the enchanting swirling seeds.
Sat, 13 Jun 09
Natural Hormone May Protect Muscle From Atrophy
http://feeds.sciencedaily.com/~r/sciencedaily/~3/56NUutPAGkQ/090611112553.htm
Researchers have found a potential new treatment for the common problem of muscle atrophy.
Sat, 13 Jun 09
'Designer Molecules' Being Developed To Fight Disease
http://feeds.sciencedaily.com/~r/sciencedaily/~3/iP7Jr4QB42s/090611192132.htm
Researchers are developing a new way to make protein based drugs with potential applications in stroke, vascular inflammation, blood vessel formation, regenerative medicine and tissue engineering.
Sat, 13 Jun 09
US Navy Culture And Workplace Leads To Heavy Drinking, Study Suggests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/L1JXFAkH3JM/090609130802.htm
The nature of the US Navy workplace leads to higher heavy drinking for sailors than for civilians, according to a new article.
Sat, 13 Jun 09
Greenland Ice Sheet Melting Faster Than Expected; Larger Contributor To Sea-level Rise Than Thought
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4DAYAVOgFuo/090612092741.htm
The Greenland ice sheet is melting faster than expected, according to a new study. Study results indicate that the ice sheet may be responsible for nearly 25 percent of global sea rise in the past 13 years.
Sat, 13 Jun 09
New Way The Body Fights Fungal Infection Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_Ig3n4kJfZA/090611120742.htm
Scientists have discovered how the body fights off oral yeast infections caused by the most common human fungal pathogen, Candida.
Sat, 13 Jun 09
Hatchery Fish May Hurt Efforts To Sustain Wild Salmon Runs
http://feeds.sciencedaily.com/~r/sciencedaily/~3/K219m5dQmVA/090610091224.htm
Steelhead trout that are originally bred in hatcheries are so genetically impaired that, even if they survive and reproduce in the wild, their offspring will also be significantly less successful at reproducing, according to a new study.
Sat, 13 Jun 09
Surgery In Patients With Rheumatoid Arthritis Is Often 'Too Little, Too Late'
http://feeds.sciencedaily.com/~r/sciencedaily/~3/tb2G6vfk1vg/090602161938.htm
A new study reveals that one of the most common conditions caused by rheumatoid arthritis is best treated surgically, sooner rather than later.
Sat, 13 Jun 09
Waste Disposal Protein Is Mechanism Behind Cancer Tumor Suppression
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xsmFoqJ6-jc/090611160658.htm
Investigators have discovered that a waste disposal protein is the key to cancer tumor suppression in a process known as autophagy -- a process in which cancer cells eat themselves.
Sat, 13 Jun 09
Log On To Beat Depression: Internet-based Therapy Found Effective
http://feeds.sciencedaily.com/~r/sciencedaily/~3/GMdEqRswDMo/090610091431.htm
In a discovery that could lead to new treatment approaches for depression, researchers in Australia have shown that Internet-based therapy programs are as effective as face-to-face therapies in combating the illness. Patients in a clinician-assisted Internet-based treatment program experienced rates of recovery similar to those achieved by face-to-face therapy, the research found.
Sat, 13 Jun 09
Red Wine Compound Resveratrol Demonstrates Significant Health Benefits
http://feeds.sciencedaily.com/~r/sciencedaily/~3/gY4BAqn-iUo/090611174052.htm
Resveratrol shows therapeutic potential for cancer chemoprevention as well as cardioprotection. Resveratrol may aid in the prevention of age-related disorders, such as neurodegenerative diseases, inflammation, diabetes and cardiovascular disease. Low doses of resveratrol improve cell survival as a component of cardio- and neuro-protection, while high doses increase cell death.
Sat, 13 Jun 09
Why Smoking Increases The Risk Of Heart Disease And Strokes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1SmLWI6efPk/090611142550.htm
Researchers have discovered a reason why smoking increases the risk of heart disease and strokes. Nicotine promotes insulin resistance, also called prediabetes, which is a risk factor for cardiovascular disease.
Sat, 13 Jun 09
Immune Cells Ameliorate Hypertension-induced Cardiac Damage In Mice
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2bK8ExvwOhs/090609122222.htm
Researchers have found that a specific type of immune cell, the regulatory T lymphocyte plays an important role in hypertension-induced cardiac damage. The injected Treg that they harvested from donor mice into recipient mice were infused with angiotensin II, a blood pressure-raising peptide. The Tregs had no influence on the blood pressure response to angiotensin II. Nonetheless, cardiac enlargement, fibrosis, and inflammation was sharply reduced by Treg treatment.
Sat, 13 Jun 09
Cocaine And Heroin Harm Placenta
http://feeds.sciencedaily.com/~r/sciencedaily/~3/7s6RtyiwHtA/090610192426.htm
Cocaine and heroin increase permeability of the placenta. Researchers have shown that exposure to the drugs causes an increase in the passage of some chemicals into the fetus.
Sat, 13 Jun 09
Staying Sharp: New Study Uncovers How People Maintain Cognitive Function In Old Age
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1_7TB3_CecY/090608162424.htm
Not everyone declines in cognitive function with age. Elderly people who exercise at least once a week, have at least a high school education and a ninth grade literacy level, are not smokers and are more socially active are more likely to maintain their cognitive skills through their 70s and 80s, according to new research.
Sat, 13 Jun 09
Simple Chemical System Created That Mimics DNA
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fVR4GFI7_OA/090611174058.htm
Scientists have created a new analog to DNA that assembles and disassembles itself without the need for enzymes. Because the new system comprises components that might reasonably be expected in a primordial world, the new chemical system could answer questions about how life could emerge.
Sat, 13 Jun 09
Successful Weight Loss With Dieting Is Linked To Vitamin D Levels
http://feeds.sciencedaily.com/~r/sciencedaily/~3/hp6UpRRxaq0/090611142524.htm
Vitamin D levels in the body at the start of a low-calorie diet predict weight loss success, a new study found. The results suggest a possible role for vitamin D in weight loss.
Sat, 13 Jun 09
Ginkgo Reduces Neuropathic Pain In Animal Studies
http://feeds.sciencedaily.com/~r/sciencedaily/~3/I2shawVqlnA/090605175332.htm
An extract of ginkgo biloba shows scientific evidence of effectiveness against one common and hard-to-treat type of pain, according to animal data.
Sat, 13 Jun 09
Long And Short Sleep Durations Are Associated With Increased Risk For Diabetes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/eY_q5apN5K8/090608071800.htm
Both long and short sleepers are at greater risk for diabetes. Individuals sleeping for more than eight hours per night may be particularly vulnerable.
Sat, 13 Jun 09
Boys With Intermittent Eye Deviation Appear More Likely To Develop Mental Illness
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_A-t8LqvXmU/090608162436.htm
Children and especially boys diagnosed with intermittent exotropia, a condition in which the eye turns outward (away from the nose) only some of the time, appear more likely to develop mental illness by young adulthood than children without strabismus (when the eyes deviate or are misaligned when looking at an object), according to a new report.
Sat, 13 Jun 09
Baby Stars Finally Found In Jumbled Galactic Center
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1W0L78Lt4VI/090611150814.htm
Astronomers have at last uncovered newborn stars at the frenzied center of our Milky Way galaxy. The discovery was made using the infrared vision of NASA's Spitzer Space Telescope.
Sat, 13 Jun 09
MicroRNA Replacement Therapy May Stop Cancer In Its Tracks
http://feeds.sciencedaily.com/~r/sciencedaily/~3/R-ONb9VGlhE/090611120732.htm
Scientists have discovered a potential strategy for cancer therapy by focusing on what's missing in tumors. A new study suggests that delivering small RNAs, known as microRNAs, to cancer cells could help to stop the disease in its tracks. MicroRNAs control gene expression and are commonly lost in cancerous tumors. Researchers have shown that replacement of a single microRNA in mice with an extremely aggressive form of liver cancer can be enough to halt their disease.
Sat, 13 Jun 09
Nintendo Wii May Enhance Parkinson's Treatment
http://feeds.sciencedaily.com/~r/sciencedaily/~3/dxiN1073cyI/090611120744.htm
The Nintendo Wii may help treat symptoms of Parkinson's disease, including depression, a researcher says.
Sat, 13 Jun 09
Moderately Reduced Carbohydrate Diet Keeps People Feeling Full Longer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Eq6zbNptcYE/090611142405.htm
A modest reduction in the amount of carbohydrates eaten, without calorie restriction and weight loss, appears to increase a sense of fullness, which may help people eat less, a preliminary study found.
Sat, 13 Jun 09
Caribou, Reindeer Numbers Show Dramatic Decline
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2QXBORlKbBk/090611111008.htm
Caribou and reindeer numbers worldwide have plunged almost 60 percent in the last three decades. The dramatic revelation came out of the first ever comprehensive census analysis of this iconic species.
Fri, 12 Jun 09
New Chemical Element In The Periodic Table
http://feeds.sciencedaily.com/~r/sciencedaily/~3/HbRHHRStMu4/090611210039.htm
The element 112 has been officially recognized as a new element by the International Union of Pure and Applied Chemistry (IUPAC). IUPAC confirmed the recognition of element 112 in an official letter to the head of the discovering team. The letter furthermore asks the discoverers to propose a name for the new element.
Fri, 12 Jun 09
Gene Therapy Technique Thwarts Cancer By Cutting Off Tumor Blood Supply
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Q_BuoxeeqfU/090611174056.htm
Researchers have come up with a new gene therapy method in mice implanted with human colorectal cancer cells to disrupt cancer growth by using a synthetic protein to induce blood clotting, cutting off a tumor's blood and nutrient supply.
Fri, 12 Jun 09
New 'Idol' Grabs The Spotlight: Enzyme That Controls 'Bad' Cholesterol Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/LELF6Vm06Zc/090611142531.htm
Scientists have identified a new enzyme called Idol that destroys the cell receptor for LDL cholesterol, allowing more cholesterol to circulate in the blood. In blocking Idol's activity, the researchers triggered cells to make more receptor and remove more cholesterol from the body. The findings could lead to a new drug that works in conjunction with statins, or could be taken by patients that cannot tolerate statins' side effects.
Fri, 12 Jun 09
Childhood Obesity Increases Early Signs Of Cardiovascular Disease
http://feeds.sciencedaily.com/~r/sciencedaily/~3/iBy376zdzFY/090611142526.htm
By as early as 7 years of age, being obese may raise a child's future risk of heart disease and stroke, even without the presence of other cardiovascular risk factors such as high blood pressure, a new study found.
Fri, 12 Jun 09
Could Power Point Presentations Be Stifling Learning?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/WsenaX2437s/090611110829.htm
Many instructors think that animated slides such as those used in Power Point presentations enhance student learning whereas the opposite may be true, according to new research.
Fri, 12 Jun 09
Publics' Ignorance Of Human Anatomy Revealed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/T2veicEdVVs/090611192127.htm
A study of patients and members of the public has shown that most lack even basic knowledge of human anatomy. The research found that people were generally incapable of identifying the location of major organs, even if they were currently receiving relevant treatment.
Fri, 12 Jun 09
Search For ET Just Got Easier: Effective Way To Search Atmospheres Of Planets For Signs Of Life
http://feeds.sciencedaily.com/~r/sciencedaily/~3/An2IJfVPYB4/090610133557.htm
Astronomers have confirmed an effective way to search the atmospheres of planets for signs of life, vastly improving our chances of finding alien life outside our solar system.
Fri, 12 Jun 09
Adults, Especially Women, Have Calorie-burning 'Brown Fat'
http://feeds.sciencedaily.com/~r/sciencedaily/~3/WQlHjDgkLiM/090611142529.htm
Keeping your baby fat turns out to be a good thing, as long as it is "brown fat" -- the kind that burns calories, according to a study that found adults have much more of this type of fat than previously thought. The results suggest a new way to treat obesity.
Fri, 12 Jun 09
Animal Model For Schizophrenia Identifies Novel Approach For Treating Cognitive Impairments Associated With Schizophrenia
http://feeds.sciencedaily.com/~r/sciencedaily/~3/RdoeIjGFkP8/090609073034.htm
Researchers have been seeking a safe and effective way to treat cognitive impairments associated with schizophrenia by enhancing N-methyl-D-aspartate (NMDA) glutamate receptors. Functional deficits in NMDA receptors may contribute to the underlying neurobiology of this disorder.
Fri, 12 Jun 09
Protein That Triggers Plant Cell Division Revealed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bKuNM7xANFU/090611120740.htm
Biologists have found a plant protein that appears to play a key role in asymmetric cell division. The presence of the protein, called BASL, is vital to such division. In plant cells where it was absent, the cells did not divide. "This is crucial information if we really want to understand plants' unique ways of making the different types of cells in their bodies," said one of the researchers.
Fri, 12 Jun 09
People With Chronic Insomnia Require Increased Brain Activation To Maintain Normal Daily Function, Study Suggests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/3mBeTrv5__0/090609072811.htm
Patients suffering from chronic primary insomnia have higher levels of brain activation compared to normal sleepers during a working memory test.
Fri, 12 Jun 09
Typhoons Trigger Slow Earthquakes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/zyIXufDgptk/090610133449.htm
Scientists have made the surprising finding that typhoons trigger slow earthquakes, at least in eastern Taiwan. Slow earthquakes are non-violent fault slippage events that take hours or days instead of a few brutal seconds to minutes to release their potent energy.
Fri, 12 Jun 09
Growth Factor Identified As Possible Cancer Drug Target
http://feeds.sciencedaily.com/~r/sciencedaily/~3/YA7oLkNn000/090609111225.htm
Scientists report finding a new angiogenesis protein, SFRP2, found in the blood vessels of numerous tumor sites, including breast prostate, lung, pancreas, ovarian, colon, kidney tumors and angiosarcomas.
Fri, 12 Jun 09
Bisphenol A Exposure In Pregnant Mice Permanently Changes DNA Of Offspring
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-jr6DLzD620/090610124428.htm
Exposure during pregnancy to the chemical bisphenol A, or BPA, found in many common plastic household items, is known to cause a fertility defect in the mother's offspring in animal studies, and now researchers have found how the defect occurs. They found that BPA exposure during pregnancy had a lasting effect on one of the genes that is responsible for uterine development and subsequent fertility in both mice and humans.
Fri, 12 Jun 09
Can Omega-3 Fatty Acids Prevent Depression In Coronary Heart Disease?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fuOd7SJzRAg/090609073022.htm
This study extends the existing literature by finding a strong association between low omega--3 fatty acids and depression in outpatients with stable coronary heart disease, a population distinct from sicker, hospitalized patients with acute coronary syndrome.
Fri, 12 Jun 09
Australia's Climate: Drought And Flooding In Annual Rings Of Tropical Trees
http://feeds.sciencedaily.com/~r/sciencedaily/~3/p6lKb09SEYs/090611110941.htm
Annual rings are acclaimed in representing natural climate archives. For the temperate latitudes it is known that the growth of these annual rings depend mainly on temperature and precipitation. In the tropics, however, with only slight seasonal variations, the correlation is not so evident.
Fri, 12 Jun 09
Individuals With Family History Of Genetic Disease At Risk Of Discrimination
http://feeds.sciencedaily.com/~r/sciencedaily/~3/AqLvfjV_eII/090609220605.htm
People with a family history of genetic disease are often discriminated against by insurance companies and their relatives and friends, according to new research.
Fri, 12 Jun 09
Swine Flu Update: WHO Declares Pandemic In Response To Ongoing Global Spread Of Novel Influenza A (H1N1) Virus
http://feeds.sciencedaily.com/~r/sciencedaily/~3/hBzW_C0WlH4/090611152252.htm
On June 11, 2009, the World Health Organization (WHO) raised the worldwide pandemic alert level to Phase 6 in response to the ongoing global spread of the novel influenza A (H1N1) virus, which causes swine flu. A Phase 6 designation indicates that a global pandemic is underway.
Fri, 12 Jun 09
New Accurate Diagnostic Test For Swine H1N1 Influenza Using RT-PCR Technology
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cy55rkpCdk0/090609122224.htm
A new, easy-to-perform method for detecting seasonal influenza A virus and the emerging H1N1 swine-derived influenza A virus in human clinical samples offers a fast, sensitive, and cost-effective diagnostic test that runs on standard laboratory equipment.
Fri, 12 Jun 09
More Older People Active Online Now Than In Past
http://feeds.sciencedaily.com/~r/sciencedaily/~3/zMoWyP9z6Hc/090610074159.htm
Internet use continues to increase, this is especially true regarding social media. Older people in particular have increased the use of internet since 2007. However, television continues to have the large coverage in all groups with one exception, 15 to 24 year olds used the Internet more than they watched television an average day in 2008, according to a national survey of 4,500 persons.
Fri, 12 Jun 09
Insomnia With Short Sleep Duration Is A Risk Factor For Diabetes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/jveil4uMfIM/090609072715.htm
Individuals with insomnia and objective short sleep duration are at increased risk for developing diabetes, according to new research.
Fri, 12 Jun 09
Techniques Appear To Lower Radiation Exposure From Cardiac Scans Without Impairing Image Quality
http://feeds.sciencedaily.com/~r/sciencedaily/~3/8CJhIYXb_zo/090609215937.htm
An intervention that includes techniques to reduce the amount of radiation from cardiac computed tomography angiography (scanning used to diagnose coronary artery disease) was associated with decreasing patient exposure to radiation without significantly changing the quality of the images, according to a new study.
Fri, 12 Jun 09
Patients Have Lower Health-related Quality Of Life After Cancer Diagnosis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/v4STM9UXMiw/090609220559.htm
Cancer patients who are older than 65 years have poorer physical health and, in some cases, mental health when compared with people of the same age group without cancer, according to a new study.
Fri, 12 Jun 09
Female Water Striders Expose Their Genitalia Only After Males 'Sing'
http://feeds.sciencedaily.com/~r/sciencedaily/~3/gJ8PrEWjSbc/090611110831.htm
Biologists report that by evolving a morphological shield to protect their genitalia from males' forceful copulatory attempts, females of an Asian species of water strider seem to "win" the evolutionary arms race between the sexes. Instead, females only expose their genitalia for copulation after males produce a courtship "song" by tapping the water surface.
Fri, 12 Jun 09
Flu During Pregnancy May Increase Risk Of Schizophrenia In Certain Offspring
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bjhRootSFUg/090609073032.htm
When mothers become infected with influenza during their pregnancy, it may increase the risk for schizophrenia in their offspring. Influenza is a very common virus and so there has been substantial concern about this association. A new study suggests that the observed association depends upon a pre-existing vulnerability in the fetus.
Fri, 12 Jun 09
Rare Radio Supernova In Nearby Galaxy Is Nearest Supernova In Five Years
http://feeds.sciencedaily.com/~r/sciencedaily/~3/jIjDF2njcus/090527130832.htm
The chance discovery last month of a rare radio supernova -- an exploding star seen only at radio wavelengths and undetected by optical or X-ray telescopes -- underscores the promise of new, more sensitive radio surveys to find supernovas hidden by gas and dust. Robotic telescopes and dedicated satellites now search the sky for exploding stars, but not all supernovas are visible to optical, ultraviolet or X-ray telescopes. A subset of supernovas is seen only through radio emissions because other wavelengths are blocked by gas and dust. A new survey of the radio sky by the Allen Telescope Array promises to discover more radio supernovas and give a better idea of the rate of star formation in dusty galaxies.
Fri, 12 Jun 09
Botox Injections Can Significantly Improve Quality Of Life For People With Overactive Bladders
http://feeds.sciencedaily.com/~r/sciencedaily/~3/b5rIKrXODg0/090609073030.htm
Botox is well known for its cosmetic uses, but researchers have now found that it can also significantly improve people’s quality of life if they suffer from another problem that increases with age, an overactive bladder.
Fri, 12 Jun 09
Playing A High Resistance Wind Instrument May Reduce Risk For Sleep Apnea In Musicians
http://feeds.sciencedaily.com/~r/sciencedaily/~3/LM5ENZulm9c/090609072713.htm
The naturalistic respiratory muscle training with high resistance wind instruments may potentially reduce musicians' risk for obstructive sleep apnea, according to new research.
Fri, 12 Jun 09
Maybe It's Raining Less Than We Thought: Physicists Make A Splash With Raindrops Discovery
http://feeds.sciencedaily.com/~r/sciencedaily/~3/pb7YS5KUE14/090610185530.htm
It's conventional wisdom in atmospheric science circles: Large raindrops fall faster than smaller drops because they're bigger and heavier. And no raindrop can fall faster than its "terminal speed." Now a team of physicists has determined that it ain't necessarily so.
Fri, 12 Jun 09
Four New Targets For Breast Cancer Identified
http://feeds.sciencedaily.com/~r/sciencedaily/~3/9OZX7PyF70w/090610133505.htm
Four suspects often found at the scene of the crime in cancer are guilty of the initiation and progression of breast cancer in mice that are resistant to the disease, a team led by scientists have found.
Fri, 12 Jun 09
Fish Robot As An Alternative Marine Propulsion System Of The Future
http://feeds.sciencedaily.com/~r/sciencedaily/~3/s1_T0D8TP3g/090609073154.htm
Scientists have developed a new type of fish-shaped, bionic robot as an alternative means of marine propulsion that might replace ships’ screws in sensitive waters.
Fri, 12 Jun 09
Gene Activity Reveals Dynamic Stroma Microenvironment In Prostate Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/9unXac-AGes/090609072819.htm
As stroma -- the supportive framework of the prostate gland -- react to prostate cancer, changes in the expression of genes occur that induce the formation of new structures such as blood vessels, nerves and parts of nerves, said researchers.
Fri, 12 Jun 09
Carbon Emissions Linked To Global Warming In Simple Linear Relationship
http://feeds.sciencedaily.com/~r/sciencedaily/~3/5fpONdwRymY/090610154453.htm
Scientists have found a direct relationship between carbon dioxide emissions and global warming. Researchers used a combination of global climate models and historical climate data to show that there is a simple linear relationship between total cumulative emissions and global temperature change.
Fri, 12 Jun 09
Later Parental-mandated Bedtimes For Teens Linked To Depression And Suicidal Thoughts
http://feeds.sciencedaily.com/~r/sciencedaily/~3/l5zY50gR9Y4/090609072717.htm
Earlier parental-mandated bedtimes could help protect teens from depression and suicidal thoughts by lengthening sleep duration, according to new research.
Thu, 11 Jun 09
Planet-forming Disk Discovered Orbiting Twin Suns
http://feeds.sciencedaily.com/~r/sciencedaily/~3/yGLa2RiaB20/090610154459.htm
Astronomers have announced new images that clearly reveal the presence of a rotating molecular disk orbiting the young binary star system V4046 Sagittarii. The SMA images provide an unusually vivid snapshot of the process of formation of giant planets, comets, and Pluto-like bodies. The results also confirm that such objects may just as easily form around double stars as around single stars like our Sun.
Thu, 11 Jun 09
Bisphenol A (BPA) Found In Many Plastics May Cause Heart Disease In Women, Research Shows
http://feeds.sciencedaily.com/~r/sciencedaily/~3/C5ng2d1xadM/090610124417.htm
New research shows that bisphenol A, found in many commonly used plastics, may be harmful for the heart, particularly in women.
Thu, 11 Jun 09
Beetle Shell Inspires Brilliant White Paper
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-uo0Hqt7X-E/090610124626.htm
An obscure species of beetle has shown how brilliant white paper could be produced in a completely new way. Researchers have taken inspiration from the shell of the Cyphochilus beetle to understand how to produce a new kind of white coating for paper.
Thu, 11 Jun 09
Breastfeeding Associated With A Reduced Risk Of Relapse In Women With Multiple Sclerosis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/NkYUtYNOhDI/090608162432.htm
Women with multiple sclerosis who breastfeed exclusively for at least two months appear less likely to experience a relapse within a year after their baby's birth, according to a new report.
Thu, 11 Jun 09
New Definition Could Further Limit Habitable Zones Around Distant Suns
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Cpx0N5f96v4/090610124831.htm
New calculations indicate that, in nearby star systems, tidal forces exerted on planets by their parent star's gravity could limit what is regarded as a star's habitable zone and change the criteria for planets where life could potentially take root.
Thu, 11 Jun 09
Being A Night Owl In High School Is Linked With Lower College GPA
http://feeds.sciencedaily.com/~r/sciencedaily/~3/r61OSACxLI8/090609072813.htm
Students who consider themselves to be evening types (that is someone who feels more alert and does their best work later in the day) have poorer sleep hygiene scores than morning and intermediate types.
Thu, 11 Jun 09
Close Social Ties Make Baboons Better Mothers, Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/CSYSesahV_I/090610091429.htm
Baboons whose mothers have strong relationships with other females are much more likely to survive to adulthood than baboons reared by less social mothers, according to a new study.
Thu, 11 Jun 09
New Way That Cells Fix Damage To DNA Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/r_WuGPVI84E/090610133451.htm
Scientists have discovered a new way by which DNA repairs itself, a process that is critical to the protection of the genome, and integral to prevention of cancer development.
Thu, 11 Jun 09
Milk Goes 'Green': Today's Dairy Farms Use Less Land, Feed And Water
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MxnFItwHiPs/090610124827.htm
Dairy genetics, nutrition, herd management and improved animal welfare over the past 60 years have resulted in a modern milk production system that has a smaller carbon footprint than mid-20th century farming practices, according to a new study.
Thu, 11 Jun 09
Caffeine Intake Prevents Risk Taking After Extreme Sleep Deprivation
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cZS_VG-_rJ0/090610091234.htm
Caffeine use prevents increased risk taking that occurs after several nights of total sleep deprivation, according to new research.
Thu, 11 Jun 09
Human Exposure To Controversial Chemical BPA May Be Greater Than Dose Considered Safe
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_D1Gd1ZxC-E/090610124618.htm
People are likely being exposed to the commonly used chemical bisphenol A at levels much higher than the recommended safe daily dose, according to a new study in monkeys.
Thu, 11 Jun 09
Sleep Apnea Linked To Sleepwalking, Hallucinations And Other 'Parasomnias'
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1FaEVYKxtNE/090609072705.htm
Nearly one in 10 patients with obstructive sleep apnea also experience "parasomnia" symptoms such as sleepwalking, hallucinations and acting out their dreams, a study has found. Researchers examined records of 537 adult sleep apnea patients. Fifty-one patients, or 9.5 percent of the total, reported one or more types of parasomnia symptoms.
Thu, 11 Jun 09
Ultracool Stars Take 'Wild Rides' Around, Outside The Milky Way
http://feeds.sciencedaily.com/~r/sciencedaily/~3/YDTpikc4bIs/090609220557.htm
Astronomers have found that stars of a recently discovered type, dubbed ultracool subdwarfs, take some pretty wild rides as they orbit around the Milky Way, following paths that are very different from those of typical stars. One of them may actually be a visitor that originated in another galaxy.
Thu, 11 Jun 09
Novel Mechanism Controlling Tumor Growth In The Brain Uncovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/e7y-nFEqVqg/090608182547.htm
As survival rates among some patients with cancer continue to rise, so does the spread of these cancers to the brain -- as much as 40 percent of all diagnosed brain cancers are considered metastatic, having spread from a primary cancer elsewhere in the body. Now, scientists have discovered a molecular mechanism that plays a pivotal role in controlling cancer growth in the brain. The discovery could provide a basis for potentially effective therapies for the treatment of brain metastasis.
Thu, 11 Jun 09
Early Detection Of Osteoarthritis In Dogs Could Open Doors For A Cure
http://feeds.sciencedaily.com/~r/sciencedaily/~3/w6HhQRVAJW8/090610124829.htm
Osteoarthritis is commonly diagnosed in the late and irreversible stages, when treatment can only be expected to decrease pain and slow progression of disease. Because osteoarthritis is a widespread problem in dogs and humans, doctors and veterinarians need a precise way to diagnose the disease early and accurately. Now, researchers are investigating potential biomarkers in dogs for early diagnosis of osteoarthritis, which could help identify patients at increased risk of developing osteoarthritis.
Thu, 11 Jun 09
Less Sleep Associated With High, Worsening Blood Pressure In Middle Age
http://feeds.sciencedaily.com/~r/sciencedaily/~3/u9Uj6DXXtYU/090608162428.htm
Middle-aged adults who sleep fewer hours appear more likely to have high blood pressure and to experience adverse changes in blood pressure over time, according to a new report.
Thu, 11 Jun 09
Health Risks Of Nanotechnology: How Nanoparticles Can Cause Lung Damage, And How The Damage Can Be Blocked
http://feeds.sciencedaily.com/~r/sciencedaily/~3/8Zh_dFNUIoQ/090610192431.htm
Scientists have identified for the first time a mechanism by which nanoparticles cause lung damage and have demonstrated that it can be combated by blocking the process involved, taking a step toward addressing the growing concerns over the safety of nanotechnology.
Thu, 11 Jun 09
Nightmares Predict Elevated Suicidal Symptoms
http://feeds.sciencedaily.com/~r/sciencedaily/~3/JABwJLLQlHw/090609072815.htm
Self-reported nightmares among patients seeking emergency psychiatric evaluation uniquely predicted elevated suicidal symptoms, according to new research.
Thu, 11 Jun 09
How Young Mice Phone Home: Study Gives Clue To How Mothers' Brains Screen For Baby Calls
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fX2ym7Y-lQg/090610124422.htm
Researchers have identified a surprising mechanism in the brains of mother mice that focuses their awareness on the calls of baby mice. Their study found that the high-frequency sounds of mice pups stand out in a mother's auditory cortex by inhibiting the activity of neurons more attuned to lower frequency sounds.
Thu, 11 Jun 09
Autoinflammatory Disease Model Reveals Role For Innate, Not Adaptive, Immunity
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2A2tL0HLdpU/090604124017.htm
Researchers have developed the first mouse model for autoinflammatory diseases, disorders that involve the over-activation of the body's innate, primitive immune system. Their study suggests that the innate -- not adaptive -- immune system drives autoinflammatory diseases. The findings could open new therapeutic directions for research into disorders such as gout or inflammatory bowel disease.
Thu, 11 Jun 09
Oxygen Plus MRI Might Help Determine Cancer Therapy Success
http://feeds.sciencedaily.com/~r/sciencedaily/~3/sT7h9B67kpo/090603091042.htm
A simple magnetic resonance imaging (MRI) test involving breathing oxygen might help oncologists determine the best treatment for some cancer patients.
Thu, 11 Jun 09
Study Redefines Roles Of Alcohol, Smoking In Risk For Pancreatitis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/UHY7lRUjjhI/090608162430.htm
Although alcohol consumption is known to be associated with chronic pancreatitis, new evidence indicates that a threshold of five or more drinks per day is required to significantly raise risk; however, most patients with chronic pancreatitis do not drink this amount, according to a new report. In addition, smoking is an independent, dose-dependent risk factor.
Thu, 11 Jun 09
Visual System That Detects Movement, Colors And Textures
http://feeds.sciencedaily.com/~r/sciencedaily/~3/APX6lAjsz9c/090608131148.htm
Researchers in Spain, basing their work on American models, have added a color -- and light-sensitive device to an artificial retina. The new device can detect and locate moving objects in a real-time setting.
Thu, 11 Jun 09
Genetic Link Found Between Stress-induced Sleep Loss And Intrusive Thinking
http://feeds.sciencedaily.com/~r/sciencedaily/~3/UgxncxhipxU/090609072711.htm
The genetic factors that cause increased sleep problems during times of stress seem to be the same as those that make people with intrusive and ruminative thoughts have a higher prevalence of insomnia, according to new research.
Thu, 11 Jun 09
Peculiar, Junior-sized Supernova Discovered By New York Teen
http://feeds.sciencedaily.com/~r/sciencedaily/~3/3yRTIqB0HNs/090610154505.htm
In November 2008, Caroline Moore, a 14-year-old student from upstate New York, discovered a supernova in a nearby galaxy, making her the youngest person ever to do so. Additional observations determined that the object, called SN 2008ha, is a new type of stellar explosion, 1000 times more powerful than a nova but 1000 times less powerful than a supernova. Astronomers say that it may be the weakest supernova ever seen.
Thu, 11 Jun 09
Link Found Between Poor Sleep Quality And Increased Risk Of Death
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MA-2tpDeYKI/090610091240.htm
Quality, in addition to quantity, is important for maintaining health, according to new research.
Thu, 11 Jun 09
Sleep Restriction Results In Weight Gain Despite Decreases In Appetite And Consumption
http://feeds.sciencedaily.com/~r/sciencedaily/~3/vmAtTtHkWdI/090608071935.htm
In the presence of free access to food, sleep restricted subjects reported decrease in appetite, food cravings and food consumption; however, they gained weight over the course of the study. Thus, the finding suggests that energy intake exceeded energy expenditure during the sleep restriction.
Thu, 11 Jun 09
Mathematical Problem Solved After More Than 50 Years: Chern Numbers Of Algebraic Varieties
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ao4r4HxOx4Y/090610124858.htm
Hirzebruch's problem at the interface of topology and algebraic geometry has occupied mathematicians for more than 50 years. A professor of mathematics at the Ludwig-Maximilians-Universitaet in Munich has now solved this problem concerning the relationship between different mathematical structures.
Thu, 11 Jun 09
Relaxed Attitudes Toward Alcohol And Youth May Increase Risk Of Binge Drinking In College
http://feeds.sciencedaily.com/~r/sciencedaily/~3/iLmn75NH7IY/090610124823.htm
Restaurants in Germany legally sell alcohol to teenagers after their sixteenth birthdays and French children drink wine with dinner at an early age, but US parents who follow this relaxed European example, believing it fosters a healthier attitude toward alcohol, should be careful -- it may increase the likelihood that their children binge drink in college.
Thu, 11 Jun 09
Fossil Bone Bed Helps Reconstruct Life Along California's Ancient Coastline
http://feeds.sciencedaily.com/~r/sciencedaily/~3/eQrEoQARuPE/090608131144.htm
Sharktooth Hill near Bakersfield, Calif., is the home of the most extensive marine bone bed in the world, a 100-square-mile layer of shark, seal, ray, whale, turtle and fish bones. Researchers have analyzed the 15-million-year-old fossils to decipher the history of what used to be the California coastline, reconstructing a 700,000-year period of warming climate and teaming sea life.
Thu, 11 Jun 09
Brain Molecule Reduces Food Intake
http://feeds.sciencedaily.com/~r/sciencedaily/~3/GlkjNY4pa1g/090610091228.htm
Researchers have identified a new appetite suppressant for promoting weight loss that they say works in rodents and may one day be used to develop an effective anti-obesity treatment.
Thu, 11 Jun 09
Manipulating Light On A Chip For Quantum Technologies
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ThymE5BRJic/090608095042.htm
A team of physicists and engineers has demonstrated exquisite control of single particles of light -- photons -- on a silicon chip to make a major advance towards long-sought-after quantum technologies, including super-powerful quantum computers and ultra-precise measurements.
Thu, 11 Jun 09
Embryology Study Offers Clues To Birth Defects
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bQaBcRvCSxs/090609220719.htm
Embryologists have clarified the role that retinoic acid plays in limb development. A new study showed that retinoic acid controls the development (or budding) of forelimbs, but not hindlimbs, and that retinoic acid is not responsible for patterning (or differentiation of the parts) of limbs. This research corrects longstanding misconceptions about limb development and provides new insights into congenital limb defects.
Thu, 11 Jun 09
Adolescent Obesity Linked To Reduced Sleep Caused By Technology Use And Caffeine
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6vMJ3-9d7gY/090609072707.htm
Adolescent obesity is associated with having less sleep. Reduction in sleep could be related to a higher caffeine intake, more hours of technology use and increased symptoms of sleep disorders (such as snoring).
Thu, 11 Jun 09
Can Light Therapy Improve Your Sexual Functioning? New Promising Data
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Tgqnsfqlb9E/090609073024.htm
The results of this study suggest a potentially favorable effect of bright light therapy on primary sexual dysfunctions. A larger study is now needed to confirm these preliminary findings and to test whether bright light therapy may be of help for the treatment of sexual dysfunctions that are associated with certain psychiatric illnesses, such as major depressive disorder, or with medications that are prescribed to treat those illnesses.
Thu, 11 Jun 09
Moon Magic: New Tool To Visualize Past, Future Lunar Eclipses
http://feeds.sciencedaily.com/~r/sciencedaily/~3/g9vYAI9ALPQ/090608131158.htm
Researchers have developed a new method for using computer graphics to simulate and render an accurate visualization of a lunar eclipse. The model uses celestial geometry of the sun, Earth, and moon, along with data for the Earth's atmosphere and the moon's peculiar optical properties to create picture-perfect images of lunar eclipses.
Thu, 11 Jun 09
Stopping Diabetes Damage With Vitamin C
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_qMzLlYB1TU/090609122232.htm
Researchers have found a way to stop the damage caused by type 1 diabetes with the combination of insulin and a common vitamin found in most medicine cabinets.
Thu, 11 Jun 09
New Cleaning Protocol For Future 'Search For Life' Missions
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fiuheS-z0Rg/090608071952.htm
Scientists have developed a new cleaning protocol for space hardware, such as the scoops of Mars rovers, which could be used on future "search for life" missions on other planets.
Thu, 11 Jun 09
Cancer Found To Be A Moving Target
http://feeds.sciencedaily.com/~r/sciencedaily/~3/AMSeWDicvxU/090609215943.htm
Scientists have mathematically analyzed the mutator hypothesis and compared the cancer-generating efficiency of mutator and nonmutator pathways to cancer.
Thu, 11 Jun 09
No More Geeky Glasses To Watch 3D
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Pz3-wFGdda0/090610074155.htm
Most people’s experience with 3D involves wearing tinted glasses in a cinema. But a new technology, which does not require glasses and may enable 3DTV, is being developed.
Thu, 11 Jun 09
What Causes Irritability In Menopause?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/n0mBGoNOZiU/090609073026.htm
In this study outward and inward irritability of peri- and postmenopausal women were found to be related to the presence of chronic disease. Moreover, outward irritability correlated with FSH and LH levels, independently of specific menopausal symptoms, such as vasomotor problems or insomnia. Further research is needed to clarify the meaning of irritability in the context of women’s mental health.
Thu, 11 Jun 09
Predictive Powers: A Robot That Reads Your Intention?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/5nETg5kw7_U/090605075302.htm
European researchers in robotics, psychology and cognitive sciences have developed a robot that can predict the intentions of its human partner. This ability to anticipate (or question) actions could make human-robot interactions more natural.
Thu, 11 Jun 09
Alzheimer's Disease: Newly Found Peptide Offers Hope Of Early Test And Better Treatment
http://feeds.sciencedaily.com/~r/sciencedaily/~3/rVRyhc94nQA/090609220551.htm
Researchers in Japan have detected a peptide in cerebrospinal fluid that can show whether a person is developing Alzheimer's disease. Measuring the level of this peptide could show that the disease process has started, long before any serious damage is done to the brain.
Thu, 11 Jun 09
Toward Cheaper Imaging Systems For Identifying Concealed Weapons On The Human Body
http://feeds.sciencedaily.com/~r/sciencedaily/~3/M5TdAlTFNxU/090609092101.htm
Electrical engineers have created high-performance W-Band silicon-germanium radio frequency integrated circuits for passive millimeter-wave imaging. This advance could lead to significantly less expensive imaging systems for identifying concealed weapons, for helping helicopters to land during dust storms, and for high frequency data communications.
Thu, 11 Jun 09
Fatal Brain Disease At Work Well Before Symptoms Appear
http://feeds.sciencedaily.com/~r/sciencedaily/~3/JVfbCdu0cf4/090608182545.htm
Scientists have discovered why a paralyzing brain disorder speeds along more rapidly in some patients than others -- a finding that may finally give researchers an entry point toward an effective treatment for amyotrophic lateral sclerosis, often referred to as ALS or Lou Gehrig's disease.
Thu, 11 Jun 09
Cloned Crops Closer To Being Realized
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4t4zZm1beXw/090608204055.htm
Clonal reproduction of crop species took a step closer to being realized with new research. The advantage of clonal reproduction is that it produces an individual exactly like an existing one -- very useful for farmers who could replicate the best of their animals or crops without the lottery of sexual reproduction.
Thu, 11 Jun 09
What Really Prompts The Dog's 'Guilty Look'
http://feeds.sciencedaily.com/~r/sciencedaily/~3/XeT5O50emUQ/090611065839.htm
What dog owner has not come home to a broken vase or other valuable items and a guilty-looking dog slouching around the house? By ingeniously setting up conditions where the owner was misinformed as to whether their dog had really committed an offense, researchers uncovered the origins of the “guilty look” in dogs.
Thu, 11 Jun 09
Physicists Make A Splash With Rain Discovery
http://feeds.sciencedaily.com/~r/sciencedaily/~3/lY0ChOt2Zy4/090611084130.htm
It's conventional wisdom in atmospheric science circles: large raindrops fall faster than smaller drops, because they're bigger and heavier. And no raindrop can fall faster than its "terminal speed"--its speed when the downward force of gravity is exactly the same as the upward air resistance.
Thu, 11 Jun 09
New Tidal Debris Discovered From Colliding Galaxies
http://feeds.sciencedaily.com/~r/sciencedaily/~3/GLqNBTEWLxg/090611083746.htm
Astronomers have discovered new tidal debris stripped away from colliding galaxies. New debris images are of special interest since they show the full history of galaxy collisions and resultant starburst activities, which are important in 'growing' galaxies in the early Universe.
Thu, 11 Jun 09
Snoring Pregnant Women At Higher Risk For Gestational Diabetes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Px5szPijx8c/090611071401.htm
If you are pregnant and your mate complains your frequent snoring is rattling the bedroom windows, you may have bigger problems than an annoyed, sleep-deprived partner. A new study has found that women who reported frequent snoring during their pregnancy were more likely to develop gestational diabetes -- a condition than can cause health problems for the mother and baby. The study also found pregnancy increases the likelihood that a woman will snore.
Thu, 11 Jun 09
Sleep May Be Important In Regulating Emotional Responses
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1tMiUg7b3kE/090611071359.htm
Sleep selectively preservers memories that are emotionally salient and relevant to future goals when sleep follows soon after learning. Effects persist for as long as four months after the memory is created.
Thu, 11 Jun 09
Extended Or Shortened Sleep Duration Linked To Weight Gain
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Fzh15ErRkzo/090611071357.htm
Body Mass Index varies as a function of habitual sleep duration, according to new research.
Thu, 11 Jun 09
Association Between Obstructive Sleep Apnea And Weight Gain Found
http://feeds.sciencedaily.com/~r/sciencedaily/~3/O7KufaAROwg/090611071355.htm
A link exists between the severity of obstructive sleep apnea and weight gain, according to new research.
Thu, 11 Jun 09
Global Warming Increasing The Dispersal Of Flora In Northern Forests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/unkFKki1Qus/090611065853.htm
As a result of stronger winds caused by global warming, seeds and pollen are being carried over longer distances. An increase in temperature of only a couple of degrees may increase the dispersal of plants in Northern forests and the spread of plant species into forest clearings after felling or forest fires.
Thu, 11 Jun 09
Screening For Left Ventricular Dysfunction May Have Less Value Than Thought
http://feeds.sciencedaily.com/~r/sciencedaily/~3/QAXOGr8fbSM/090611065841.htm
Evaluation of NT-proBNP in patients may lead to early exclusion of Left Ventricular dysfunction, according to a new study.
Thu, 11 Jun 09
Computer System For Dementia Patients
http://feeds.sciencedaily.com/~r/sciencedaily/~3/owV6Ux9wG-A/090611065837.htm
A computer screen in the living room can help dementia sufferers to check the time and date and to remember appointments.
Thu, 11 Jun 09
Cancer Screening Fear Is Fueled By Lack Of Information Says Research Review Covering Nearly 6,000 Women
http://feeds.sciencedaily.com/~r/sciencedaily/~3/YMahTvXMpUQ/090611065835.htm
Fear plays a major role in whether women decide to go for cancer screening or not. But healthcare providers underestimate how much women need to know and wrongly assume that they will ask for information if they want it. Researchers reviewed 19 studies (1994-2008) that explored the attitudes of 5,991 women from 14 to their 80s to breast and cervical cancer screening. Figures from the UK and USA show that there is a big gap between the number of women invited for screening and the number who actually attend.
Wed, 10 Jun 09
Genetic Region For Tame Animals Discovered: Horse Whisperers, Lion Tamers Not Needed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6rTlV0L_ktA/090608131152.htm
In what could be a breakthrough in animal breeding, scientists have discovered a set of genetic regions responsible for animal tameness. This discovery should help animal breeders, farmers, zoologists, and anyone else who handles and raises animals to more fully understand what makes some animals interact with humans better than do others.
Wed, 10 Jun 09
Muscle Atrophy: When The Body Cannibalizes Itself
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Tdv7x5M9wbg/090608091337.htm
During desperate times, such as fasting or muscle wasting that afflicts cancer or AIDS patients, the body cannibalizes itself, atrophying and breaking down skeletal muscle proteins to liberate amino acids. A new study shows that muscle atrophy is a more ordered process than was previously thought.
Wed, 10 Jun 09
Newly Discovered Chemical Weapon In Poison Frogs' Arsenal
http://feeds.sciencedaily.com/~r/sciencedaily/~3/HCa1dNUhmEs/090608101334.htm
New research documents a surprising chemical weapon used by some Amazonian poison frogs. The study identified for the first time a family of poisons never before known to exist in these brightly colored creatures or elsewhere in nature: the N-methyldecahydroquinolines. The authors then speculated on its origin in the frogs' diet, most likely ants.
Wed, 10 Jun 09
Insomnia With Objective Short Sleep Duration In Men Is Associated With Increased Mortality
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Wp9-tAqOY-I/090608071806.htm
Men with insomnia and sleep duration of six or fewer hours of nightly sleep are at an increased risk for mortality, according to a new research.
Wed, 10 Jun 09
Network Creates Virtual Super-telescope
http://feeds.sciencedaily.com/~r/sciencedaily/~3/VKlBpTnTV8I/090608143916.htm
Vast quantities of data are transferred in real time from telescopes around the world to a supercomputer in the Netherlands, where researchers combine the information to create high-resolution images of distant objects in space.
Wed, 10 Jun 09
Concussion Experts: For Kids -- No Sports, No Schoolwork, No Text Messages
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ykXhGFMmZgA/090608125105.htm
When it comes to concussions, children and teens require different treatment, according to international experts. The new guidelines say children and teens must be strictly monitored and activities restricted until fully healed. These restrictions include no return to the field of play, no return to school, and no cognitive activity.
Wed, 10 Jun 09
Discovery Raises New Doubts About Dinosaur-bird Links
http://feeds.sciencedaily.com/~r/sciencedaily/~3/mIG5QtiPP8M/090609092055.htm
Researchers have made a fundamental new discovery about how birds breathe and have a lung capacity that allows for flight -- and the finding means it's unlikely that birds descended from any known theropod dinosaurs.
Wed, 10 Jun 09
Defeating Nicotine's Double Role In Lung Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2-OXu3fD77Y/090608125107.htm
A lung cancer treatment that inhibits nicotine receptors was shown to double survival time in mice, according to new research.
Wed, 10 Jun 09
Thinnest Superconducting Metal Ever Created
http://feeds.sciencedaily.com/~r/sciencedaily/~3/snn99SIvFoU/090608095046.htm
A superconducting sheet of lead only two atoms thick, the thinnest superconducting metal layer ever created, has been developed by physicists.
Wed, 10 Jun 09
Common Chemotherapy Drug Can Trigger Fatal Allergic Reactions
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1trowdSys-8/090608131154.htm
A chemotherapy drug that is supposed to help save cancer patients' lives, instead resulted in life-threatening and sometimes fatal allergic reactions. A new study identified 287 hypersensitivity reactions and 109 deaths in patients who received Cremophor-based paclitaxel, a solvent-administered chemotherapy. Two patients who died from an allergic reaction had highly curable early-stage breast cancer. The allergic reactions are believed to be caused by the solvent, and the actual number of deaths is likely higher.
Wed, 10 Jun 09
Structure Of Bacteria Responsible For Traveler's Diarrhea Identified
http://feeds.sciencedaily.com/~r/sciencedaily/~3/d5Nb3xHoKJg/090608182431.htm
Researchers have solved the structure of thin hair-like fibers called "pili" or "fimbriae" on the surface of bacteria that cause traveler's diarrhea. The findings have important implications for creating better therapeutics against diarrheal diseases.
Wed, 10 Jun 09
Relationship Found Between Napping, Hyperactivity, Depression And Anxiety
http://feeds.sciencedaily.com/~r/sciencedaily/~3/WD6qg1lSAoU/090608071814.htm
Napping may have a significant influence on young children's daytime functioning, according to a new research.
Wed, 10 Jun 09
When Young Men Are Scarce, They're More Likely To Play The Field Than To Propose
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cLl36HdTaMo/090609220829.htm
In places where young women outnumber young men, research shows the hemlines rise but the marriage rates don't because the young men feel less pressure to settle down as more women compete for their affections.
Wed, 10 Jun 09
Dioxins In Food Chain Linked To Breastfeeding Ills
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0n4TSkyBjIY/090609220827.htm
Exposure to dioxins during pregnancy harms the cells in rapidly-changing breast tissue, which may explain why some women have trouble breastfeeding or don't produce enough milk, according to a new study.
Wed, 10 Jun 09
Biologist Discovers Pink-winged Moth In Chiracahua Mountains
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0Knlxh1PrgE/090609220823.htm
Biologists have discovered a new species of moth. The moth has distinct bright pink wings, which prompted Walsh to name it after his wife.
Wed, 10 Jun 09
Writing In Air Not Pie In The Sky: Student Device Turns Phone Gestures Into Email
http://feeds.sciencedaily.com/~r/sciencedaily/~3/1v4_62bVWmY/090609220727.htm
Engineering students have taken advantage of the accelerometers in emerging cell phones to create an application that permits users to write short notes in the air with their phone, and have that message automatically sent to an e-mail address.
Wed, 10 Jun 09
Study On Papua New Guinea's Long-beaked Echidna Reveals Elusive Habits
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ftLVKnmlWxQ/090609220725.htm
A research intern working in the wilds of Papua New Guinea has successfully completed what many other field biologists considered "mission impossible" -- the first study of a rare egg-laying mammal called the long-beaked echidna.
Wed, 10 Jun 09
African Bird Species Could Struggle To Relocate To Survive Global Warming
http://feeds.sciencedaily.com/~r/sciencedaily/~3/p-veVcc543I/090609220601.htm
African bird species could struggle to relocate to survive global warming because natural features of the landscape will limit where they can move to, according to new research.
Tue, 9 Jun 09
To 300 Million Light Years, And Beyond: A New Way To Measure Cosmic Distances
http://feeds.sciencedaily.com/~r/sciencedaily/~3/e-bBug7FaWw/090608131156.htm
Researchers have found a way to measure distances to objects three times farther away in outer space than previously possible, by extending a common measurement technique. They discovered that a rare type of giant star, often overlooked by astronomers, could make an excellent signpost for distances up to 300 million light years -- and beyond.
Tue, 9 Jun 09
New Antibiotics Could Come From A DNA Binding Compound That Kills Bacteria In 2 Minutes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/JK3s6_Ca7d4/090608212136.htm
A synthetic DNA binding compound has proved surprisingly effective at binding to the DNA of bacteria and killing all the bacteria it touched within two minutes.
Tue, 9 Jun 09
Geese Involved In Hudson River Plane Crash Were Migratory
http://feeds.sciencedaily.com/~r/sciencedaily/~3/jJCJ3KD8akM/090608125059.htm
Smithsonian scientists have examined the feather remains from the Jan. 15 US Airways Flight 1549 bird strike to determine not only the species, but also that the Canada geese involved were from a migratory, rather than resident, population. This knowledge is essential for wildlife professionals to develop policies and techniques that will reduce the risk of future collisions.
Tue, 9 Jun 09
Researchers First To Document Early Signs For Diabetes In Kids As Young As 7
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_tqWWXTs06g/090608125057.htm
Researchers in New Orleans are the first to document previously unknown markers for obesity, heart disease and diabetes, collectively called the metabolic syndrome, in children as young as 7.
Tue, 9 Jun 09
Mobile DNA Elements In Woolly Mammoth Genome Give New Clues To Mammalian Evolution
http://feeds.sciencedaily.com/~r/sciencedaily/~3/CsFsbA5lPfc/090608182419.htm
The woolly mammoth died out several thousand years ago, but the genetic material they left behind is yielding new clues about the evolution of mammals. Scientists have now analyzed the mammoth genome looking for mobile DNA elements, revealing new insights into how some of these elements arose in mammals and shaped the genome of an animal headed for extinction.
Tue, 9 Jun 09
Computer-Related Injuries On The Rise: Young Children Particularly At Risk
http://feeds.sciencedaily.com/~r/sciencedaily/~3/TXPDgaj7AyI/090608212138.htm
While back pain, blurred vision and mouse-related injuries are now well-documented hazards of long-term computer use, the number of acute injuries connected to computers is rising rapidly. Researchers have found a more-than-sevenfold increase in computer-related injuries due to tripping over computer equipment, head injuries due to computer monitor falls and other physical incidents.
Tue, 9 Jun 09
Snakes Use Friction And Redistribution Of Their Weight To Slither On Flat Terrain
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ujiAsZVHyTc/090608182435.htm
Snakes use both friction generated by their scales and redistribution of their weight to slither along flat surfaces, researchers have found. Their findings run counter to previous studies that have shown snakes move by pushing laterally against rocks and branches.
Tue, 9 Jun 09
'Eco-Atkins': Plant-based, Low-carb Diet May Promote Weight Loss And Improve Cholesterol Levels
http://feeds.sciencedaily.com/~r/sciencedaily/~3/c0Eu1HEBzog/090608162426.htm
Overweight individuals who ate a low-calorie, low-carbohydrate diet high in plant-based proteins for four weeks lost weight, and experienced improvements in blood cholesterol levels and other heart disease risk factors, according to a new report. A high-carbohydrate, low-fat vegetarian diet also resulted in weight loss but without the additional cardiovascular benefits.
Tue, 9 Jun 09
Fruit Fly Stem Cells Filmed Live
http://feeds.sciencedaily.com/~r/sciencedaily/~3/uuISW_aObjQ/090605091858.htm
How can stem cells be used in regenerative medicine? In what way might they lead to certain cancers? Stem cell research is a major challenge for medicine. Recently, asymmetric cell division was filmed in vivo in fruit fly germinal stem cells for the first time.
Tue, 9 Jun 09
Discovery Of New Proteins May Lead To More Effective Treatment Of Endocarditis And Infections Associated With Implants
http://feeds.sciencedaily.com/~r/sciencedaily/~3/X6qEXvQ4rz4/090604104809.htm
Scientists have discovered two new proteins that are of importance to the survival of bacteria and their colonization of the human body. Besides enhancing our knowledge of the ability of bacteria to spread, the findings may also lead to more effective treatment of endocarditis and infections associated with implants.
Tue, 9 Jun 09
Enzyme Necessary For DNA Synthesis Can Also Erase DNA
http://feeds.sciencedaily.com/~r/sciencedaily/~3/oyERbot2exU/090608182541.htm
Scientists have discovered a new mechanism behind an important process that causes a rapid reduction of DNA in the chromosomes of bacteria. The findings advance our knowledge of how DNA content has been reduced, which is something that has occurred in bacteria that live as parasites inside the cells of other organisms.
Tue, 9 Jun 09
Middle-aged Women Experience More Stress But Have Lower Blood Pressure
http://feeds.sciencedaily.com/~r/sciencedaily/~3/E93HGjnLi9c/090605075217.htm
Both blood pressure and serum lipid levels have improved in Swedish middle-aged women during the past 30 years. Levels of perceived mental stress, however, have increased significantly.
Tue, 9 Jun 09
Archeological Evidence Of Human Activity Found Beneath Lake Huron
http://feeds.sciencedaily.com/~r/sciencedaily/~3/dyXQMIE7Nm0/090608182543.htm
More than 100 feet deep in Lake Huron, on a wide stony ridge that 9,000 years ago was a land bridge, researchers have found the first archeological evidence of human activity preserved beneath the Great Lakes.
Tue, 9 Jun 09
Unexpected Discovery Can Open A New Chapter In The Fight Against Tuberculosis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/y-LKDw9m1OI/090608182437.htm
A close relative of the microorganism that causes tuberculosis in humans has been found to form spores. This discovery might constitute a new turn in the fight against human tuberculosis.
Tue, 9 Jun 09
Stopping Fatty Change In Heart Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/RijcEpYZ_ik/090604104804.htm
One molecule is all it takes to set a fatal chain of events in motion that can end up leading to heart failure. Cell biologists have discovered why oxygen deficiency causes the myocardial muscle to extract energy from sugar and store fat in the cells.
Tue, 9 Jun 09
Evidence Of Macroscopic Quantum Tunneling Detected In Nanowires
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ibtPqptL_GI/090527130836.htm
Scientists have demonstrated that, counter to classical Newtonian mechanics, an entire collection of superconducting electrons in an ultrathin superconducting wire is able to "tunnel" as a pack from a state with a higher electrical current to one with a notably lower current, providing more evidence of the phenomenon of macroscopic quantum tunneling.
Tue, 9 Jun 09
Let Me Sleep On It: Creative Problem Solving Enhanced By REM Sleep
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bHbQ_Xco4x0/090608182421.htm
Research led by a leading expert on the positive benefits of napping suggests that rapid eye movement (REM) sleep enhances creative problem-solving. The findings may have important implications for how sleep, specifically REM sleep, fosters the formation of associative networks in the brain.
Tue, 9 Jun 09
Animal Mating Choices More Complex Than Once Thought
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BZKJIHhPzEg/090608162545.htm
When female tiger salamanders choose a mate, it turns out that size does matter -- tail size that is -- and that's not the only factor they weigh. Findings of a new study show that animals make more complex decisions about choosing mates than once thought.
Tue, 9 Jun 09
Link Unraveled Between Chromosomal Instability And Centrosome Defects In Cancer Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Q4aaHdTUiB0/090607153300.htm
Scientists have disproved a century-old theory about why cancer cells often have too many or too few chromosomes, and show that the actual reason may hold the key to a novel approach to cancer therapy.
Tue, 9 Jun 09
New Approach To Prevent Antibody-mediated Damage In Kidney Transplants
http://feeds.sciencedaily.com/~r/sciencedaily/~3/abTf_QKgTqo/090602111818.htm
Early results from research study demonstrate the effectiveness of a new approach to blocking an important part of the immune system that causes severe damage to some kidney transplants.
Tue, 9 Jun 09
Oil Platforms Vulnerable To Hackers
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BGhLEFGmgW4/090608143659.htm
The current trend is in the direction of unmanned robot-controlled platforms, which leave electronic equipment more exposed to attack.
Tue, 9 Jun 09
Self-regulation Game Predicts Kindergarten Achievement
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Mzmtu0i9Yik/090608162547.htm
Early childhood development researchers have discovered that a simple, five-minute self-regulation game not only can predict end-of-year achievement in math, literacy and vocabulary, but also was associated with the equivalent of several months of additional learning in kindergarten.
Tue, 9 Jun 09
Neolithic Age: Prehistoric Complex Including Two 6,000-year-old Tombs Discovered In Britain
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ee6bSaYzQQM/090608143835.htm
A prehistoric complex including two 6,000-year-old tombs representing some of the earliest monuments built in Britain has been discovered by archaeologists. The researchers found the previously undiscovered Neolithic tombs, also known as long barrows, at a site at Damerham, Hampshire.
Tue, 9 Jun 09
Gene Therapy For Hemophilia A Mice
http://feeds.sciencedaily.com/~r/sciencedaily/~3/b2aLhJ-Q3ag/090608182425.htm
Hemophilia A is an inherited bleeding disorder caused by a lack of the blood clotting protein Factor VIII. Current gene therapy approaches to treat the condition have had little clinical success. However, hope is provided by researchers who have developed a new approach to target genes to the cells that are the main source of Factor VIII and used it to provide long-term expression of Factor VIII in hemophilia A mice, markedly reducing their disease.
Tue, 9 Jun 09
Insights Into Locally Advanced Breast Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/PF0-cE8cKHs/090602092257.htm
Scientists are reporting two findings that could influence the way researchers screen for, treat and assess prognosis for women with locally advanced breast cancer, an aggressive form of the disease. One finding offers a critical message regarding treatment strategy, they say.
Tue, 9 Jun 09
Is Rural Land Use Too Important To Be Left To Farmers?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/5lSRq-dKSMM/090608143837.htm
As demands on rural land increase and we are all having to deal with the effects of climate change, we may need to take a fresh look at our priorities, according to leading academics meeting in the UK. Research from the Relu Program will be important for the complex policy decisions about land use that need to be taken at national and regional level. Is it time for a debate on a land use planning system for the countryside?
Tue, 9 Jun 09
Genetic Link Found Between Anxiety, Depression And Insomnia
http://feeds.sciencedaily.com/~r/sciencedaily/~3/TkopZJJ9izg/090608071804.htm
The genes that play a role in adolescent insomnia are the same as those involved in depression and anxiety, according to a new research.
Tue, 9 Jun 09
Drinking Water From Air Humidity
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cuqmwVZ92_k/090605091856.htm
Not a plant to be seen, the desert ground is too dry. But the air contains water, and research scientists have found a way of obtaining drinking water from air humidity. The system is based completely on renewable energy and is therefore autonomous.
Tue, 9 Jun 09
Colorectal Cancer Increasing In Young Adults
http://feeds.sciencedaily.com/~r/sciencedaily/~3/OBuDRMVUcD0/090608072018.htm
A new study finds that in sharp contrast to the overall declining rates of colorectal cancer in the United States, incidence rates among adults younger than age 50 years are increasing. The authors theorize that these increases may be related to rising rates of obesity and changes in dietary patterns, including increased consumption of fast food.
Tue, 9 Jun 09
Cantabrian Cornice in Spain Has Experienced Seven Cooling And Warming Phases Over Past 41,000 Years
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Y1S5PNxovv8/090603091254.htm
The examination of the fossil remains of rodents and insectivores from deposits in the cave of El Mirón, Cantabria, has made it possible to determine the climatic conditions of this region between the late Pleistocene and the present day. In total, researchers have pinpointed seven periods of climatic change, with glacial cold dominating during some of them, and heat in others.
Tue, 9 Jun 09
Gene That Regulates Tumors In Neuroblastoma Identified
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Xgx_XPc_siM/090601182910.htm
Researchers have identified a gene that may play a key role in regulating tumor progression in neuroblastoma, a form of cancer usually found in young children. Scientists hope the finding could lead to an effective therapy to inhibit the expression of this gene.
Tue, 9 Jun 09
More Than Just The Tailpipe: Calculating The True Environmental Cost Of Travel
http://feeds.sciencedaily.com/~r/sciencedaily/~3/mgJ5UXohjT8/090608071947.htm
Trains, planes, buses and automobiles do not only effect the environment via their exhaust pipes. There is a full lifecycle of processes associated with getting from A to B that we rarely acknowledge. Researchers have now created a framework to help us calculate the true environmental cost of travel.
Tue, 9 Jun 09
Excessive Gaming Associated With Poor Sleep Hygiene And Increased Sleepiness
http://feeds.sciencedaily.com/~r/sciencedaily/~3/VblI_Lmt4Hc/090608071802.htm
Computer/console gamers who play for more than seven hours a week, and who identify their gaming as an addiction, sleep less during the weekdays and experience greater sleepiness than casual or nongamers, according to new research.
Tue, 9 Jun 09
Prehistoric Whale Discovered On The West Coast Of Sweden
http://feeds.sciencedaily.com/~r/sciencedaily/~3/KoQuKoVLcbg/090605110420.htm
The skeleton of a whale that died around 10,000 years ago has been found in connection with the extension of the E6 motorway in Strömstad. The whale bones are now being examined by researchers who, among other things, want to ascertain whether the find is the mystical "Swedenborg whale".
Tue, 9 Jun 09
Nanoscale Zipper Cavity Responds To Single Photons Of Light
http://feeds.sciencedaily.com/~r/sciencedaily/~3/HjBvs8b3ed4/090604144338.htm
Physicists have developed a nanoscale device that can be used for force detection, optical communication and more. The device exploits the mechanical properties of light to create an optomechanical cavity in which interactions between light and motion are greatly strengthened and enhanced.
Tue, 9 Jun 09
MDCT Angiography Leads To Successful Treatment Of Severely Blocked Arteries In The Legs
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kUsOGi0cKP8/090603113710.htm
MDCT angiography leads to accurate recommendations for successful treatment of patients with critical limb ischemia, sometimes allowing the patients to avoid more complicated surgery, according to a new study.
Tue, 9 Jun 09
Recruitment Of Reproductive Features Into Other Cell Types May Underlie Extended Lifespan In Animals
http://feeds.sciencedaily.com/~r/sciencedaily/~3/C8yRc6ZO3Zk/090607153254.htm
Researchers have found that certain genetic mutations known to extend the lifespan of the C. elegans roundworm induce "mortal" somatic cells to express some of the genes that allow the "immortality" of reproductive germline cells.
Tue, 9 Jun 09
Television Watching Before Bedtime Can Lead To Sleep Debt
http://feeds.sciencedaily.com/~r/sciencedaily/~3/9h8NZG2Db8A/090608071941.htm
Television watching may be an important determinant of bedtime, and may contribute to chronic sleep debt.
Mon, 8 Jun 09
'Warrior Gene' Linked To Gang Membership, Weapon Use
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FbjWZNaEUr4/090605123237.htm
Boys who carry a particular variation of the gene Monoamine oxidase A (MAOA), sometimes called the "warrior gene," are more likely not only to join gangs but also to be among the most violent members and to use weapons, according to a new study that is the first to confirm an MAOA link specifically to gangs and guns.
Mon, 8 Jun 09
New Imaging Technique: Toward Spinal Cord Regeneration?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/bSRUux_yOBY/090605091854.htm
Scientists have revealed the interaction between the regrowth of axons inside the spinal cord and the development of blood vessels in cases of spinal cord injury in mice. The result was obtained using a promising combination of imaging techniques, and has brought us one step closer toward the regeneration of the spinal cord.
Mon, 8 Jun 09
Basket Weaving May Have Taught Humans To Count
http://feeds.sciencedaily.com/~r/sciencedaily/~3/5teH6SF5b4I/090604222534.htm
Did animals teach us one of the oldest forms of human technology? Did this technology teach us to count? These are just two of the themes being explored during a conference on basketry.
Mon, 8 Jun 09
New Arenavirus Discovered As Cause Of Hemorrhagic Fever Outbreak In South Africa And Zambia
http://feeds.sciencedaily.com/~r/sciencedaily/~3/LFGmPUU60UY/090602133605.htm
Scientists have discovered the new virus responsible for a highly fatal hemorrhagic fever outbreak in Zambia and South Africa in late 2008.
Mon, 8 Jun 09
Archaeologists Locate Confederate Cannons, Naval Yard
http://feeds.sciencedaily.com/~r/sciencedaily/~3/nKmn49SA4bE/090605175102.htm
Archaeologists have located two large cannon from a sunken Confederate gunboat in the Pee Dee River and have identified where the Mars Bluff Naval Yard once stood on the east side of the river in Marion County, S.C.
Mon, 8 Jun 09
Washing Hands Properly Helps Stop Spread Of Contagious Diseases
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Kjc_IiN6j2c/090603091300.htm
We all know that coughs and sneezes spread diseases -- and that we should wash our hands to prevent passing on nasty viruses and bacteria. But how many of us just flick our hands under a dribbling tap and think that will do? Now hopeless hand washers will be caught -- not red-handed, but with glowing green fingers, by a new good hand washing test.
Mon, 8 Jun 09
Flexible Solar Power Shingles Transform Roofs From Wasted Space To Energy Source
http://feeds.sciencedaily.com/~r/sciencedaily/~3/LcG9MtqpmfM/090605171242.htm
A transparent thin film barrier used to protect flat panel TVs from moisture could become the basis for flexible solar panels that would be installed on roofs like shingles.
Mon, 8 Jun 09
New Lead For Autoimmune Disease From Chinese Medicine
http://feeds.sciencedaily.com/~r/sciencedaily/~3/TYgYbLy4yWs/090604144328.htm
A major challenge in treating autoimmune disorders has been suppressing inflammatory attacks on body tissues without generally suppressing immune function. Now, a drug from Chinese medicine shows potential for easing these disorders. In both mice and humans, it selectively inhibits development of Th17 cells, newly-recognized immune cells that were recently implicated in inflammatory bowel disease, rheumatoid arthritis, multiple sclerosis, type 1 diabetes, eczema and psoriasis. It also eased a multiple-sclerosis-like autoimmune disease in mice.
Mon, 8 Jun 09
Midge Keeps Invasive Mosquito In Check, Aiding Native Mosquitoes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/3nnd7rnGoEE/090604103640.htm
The larvae of a tiny fly can influence the fate of native and invasive mosquitoes, with implications for human health.
Mon, 8 Jun 09
Stem Cell Protein Offers A New Cancer Target
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cvrQn8HU6H8/090601140930.htm
Stem cell researchers have shown that a protein that keeps embryonic stem cells in their stem-like state, called LIN28, is also important in cancer. It offers a new target to attack, especially in resistant and hard-to-treat cases.
Mon, 8 Jun 09
New Center Aims To Improve Recovery Of Soldiers With Severe Injuries
http://feeds.sciencedaily.com/~r/sciencedaily/~3/rr5CArDLDd0/090605082956.htm
When a soldier is wounded during combat, surgeons must focus on reducing infection and reconstructing damaged bone and tissues. Technologies that could improve the repair and regeneration processes are being developed in research laboratories across the country, but they are not being moved quickly enough into military trauma centers. Organizers of the recently established Georgia Tech Center for Advanced Bioengineering for Soldier Survivability want to change that.
Mon, 8 Jun 09
Asthma Rates And Where You Live
http://feeds.sciencedaily.com/~r/sciencedaily/~3/eanhr2KZ4sw/090605133620.htm
A new study shows how neighborhood characteristics play a significant role in childhood asthma.
Mon, 8 Jun 09
Fatty Foods -- Not Empty Stomach -- Fire Up Hunger Hormone
http://feeds.sciencedaily.com/~r/sciencedaily/~3/X5bKEBJ1uh0/090605151351.htm
New research suggests that the hunger hormone ghrelin is activated by fats from the foods we eat -- not those made in the body -- in order to optimize nutrient metabolism and promote the storage of body fat.
Mon, 8 Jun 09
Brain Irradiation In Lung Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/NqYyfHXnCKU/090603180928.htm
Scientists have found that a course of radiation therapy to the brain after treatment for locally advanced non-small cell lung cancer reduced the risk of metastases to the brain within the first year after treatment.
Mon, 8 Jun 09
Skin Lesion Leads To More Cancer Types Than Once Believed
http://feeds.sciencedaily.com/~r/sciencedaily/~3/EFdeHbq3MxE/090602162000.htm
Dermatologists have found that sun-damaged rough patches on the skin known as actinic keratoses lead to more forms of skin cancer than previously thought. They also determined that lesions can become invisible and resurface over time.
Mon, 8 Jun 09
The Immune Response To Influenza Virus Isn't 'All Good'
http://feeds.sciencedaily.com/~r/sciencedaily/~3/UOlO79jhgio/090601182706.htm
How infection with influenza virus makes an individual sensitive to pneumonia-causing bacterial infections is clinically important but not well understood. New research now indicates that key mediators of the antiviral immune response initiated by infection with influenza virus impair the ability of mice to mount an adequate immune response to subsequent pneumonia-causing bacterial infection. These data might provide a new avenue of research for those developing ways to combat pneumonia following infection with influenza virus.
Mon, 8 Jun 09
3-D Structure Of Key Nuclear Pore Building Block Identified
http://feeds.sciencedaily.com/~r/sciencedaily/~3/pzsY95Cup3g/090607153258.htm
New research into the molecular machine that filters all information traveling in or out of the cell nucleus contributes to an unfolding picture of cellular evolution that shows a common architecture for the nuclear pore complex and the vehicles that transport material between different parts of the cell. Scientists have for the first time glimpsed in three dimensions the subcomplex of the NPC that is its key building block.
Mon, 8 Jun 09
Risks Of Sharing Personal Genetic Information Online Need More Study, Bioethicists Say
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aRIGRHdulpU/090605075051.htm
With just $399 and a bit of saliva in a cup, consumers can learn about their genetic risk for diseases from breast cancer to diabetes. Now, thanks to social networking sites set up by personal genomics companies, they can also share that information with family, friends and even strangers on the Internet. Bonding over a similar genetic background sounds relatively harmless. But according to bioethicists sharing genetic information online raises a host of ethical questions.
Mon, 8 Jun 09
Scientists Uncover Mode Of Action Of Enzyme Linked With Several Types Of Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6y7B89Ba6E4/090603131435.htm
Scientists have discovered a key mechanism used by cells to efficiently distribute chromosomes to new cells during cell multiplication.
Mon, 8 Jun 09
Pathway Linked To Breast Cancer Stem Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/3TFQIf5xgH8/090601211427.htm
A gene well known to stop or suppress cancer plays a role in cancer stem cells, according to a new study. The researchers found that several pathways linked to the gene, called PTEN, also affected the growth of breast cancer stem cells.
Mon, 8 Jun 09
New Pathway Found Underlying Pulmonary Hypertension
http://feeds.sciencedaily.com/~r/sciencedaily/~3/oYL3CCkr9AE/090601182710.htm
Pulmonary hypertension is an unremitting disease caused by a progressive increase in blood pressure in the blood vessels of the lung; it leads to heart failure and ultimately death. Currently there are limited treatment options. However, researchers have identified in mice a new molecular pathway underlying pulmonary hypertension that they hope might provide novel therapeutic targets.
Mon, 8 Jun 09
Confusion Reigns Over Whole-grain Claims In School Lunches
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Lehw0_w60wE/090602161930.htm
While most nutrition experts agree that school lunches should include more whole grain products, a new study finds that food-service workers lack understanding and the resources to meet that goal.
Mon, 8 Jun 09
Family Obligation In Chinese Homes Lowers Teenage Depression Symptoms
http://feeds.sciencedaily.com/~r/sciencedaily/~3/9T1Jurr5xcE/090604124804.htm
A new study of Chinese-American youth has found that family obligation, for example caring for siblings or helping elders, plays a positive role in the mental health of Chinese-American adolescents and may prevent symptoms of depression. The study found that 14-year-olds who reported a greater sense of family obligation reported fewer depressive symptoms by the time they reached 16.
Mon, 8 Jun 09
Bleeding Disorders Going Undiagnosed; New Guidelines To Help
http://feeds.sciencedaily.com/~r/sciencedaily/~3/rpPoLcQ4QTY/090602082845.htm
Nearly one percent of the population suffers from bleeding disorders, yet many women don't know they have one because doctors aren't looking for the condition, according to researchers.
Mon, 8 Jun 09
Graphene May Have Advantages Over Copper For IC Interconnects At The Nanoscale
http://feeds.sciencedaily.com/~r/sciencedaily/~3/UUo7_vv2GUI/090604124808.htm
The unique properties of thin layers of graphite -- known as graphene -- make the material attractive for a wide range of potential electronic devices. Researchers have now experimentally demonstrated the potential for another graphene application: replacing copper for interconnects in future generations of integrated circuits.
Mon, 8 Jun 09
Common Autism Medication Is Ineffective For Repetitive Behaviors, Study Finds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cJwhmxYKZX4/090601182908.htm
Citalopram (Celexa), a medication commonly prescribed to children with autism spectrum disorders, was no more effective than a placebo at reducing repetitive behaviors, according to a multi-site clinical trial.
Mon, 8 Jun 09
How Healthy Is Your River?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/3n3tC7A-y1U/090601221356.htm
How do you know how healthy your local river is, and whether it is improving? Academics think they have come up with the answer – a simple report card, like the one a schoolchild brings home at the end of the school year.
Mon, 8 Jun 09
Cognitive Behavioral Intervention Helps Prevent Depression Among At-risk Teens
http://feeds.sciencedaily.com/~r/sciencedaily/~3/H5cMvYG-wHo/090602111808.htm
Adolescents at an increased risk of depression who participated in a group cognitive behavioral intervention significantly reduced their symptoms and episodes of depression compared to teens who received usual care, although this effect was not seen for adolescents with a parent with current depression, according to a new study.
Mon, 8 Jun 09
Lethal Cancer Knocked Down By One-two Drug Punch
http://feeds.sciencedaily.com/~r/sciencedaily/~3/G1eQWa1G7F4/090607153256.htm
Scientists have developed a new approach to treating leukemia, one that targets leukemia-proliferating cells with drugs that are already on the market. The research team identified a gene involved with the inflammatory response that could hold the key to treating or even preventing chronic myeloid leukemia, a lethal cancer.
Sun, 7 Jun 09
New Class Of Dim Supernovae
http://feeds.sciencedaily.com/~r/sciencedaily/~3/qh6blT6UeB8/090605075215.htm
The colossal stellar explosions called supernovae come in many kinds and flavors. Some of them are produced when a massive star reaches the end of its life in a sudden gravitational collapse. Astronomers have just found one of these explosions that defies the current classification scheme.
Sun, 7 Jun 09
New Way To Enhance Stem Cells To Stimulate Muscle Regeneration
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FMKTcfQHjjM/090604124025.htm
Scientists have discovered a powerful new way to stimulate muscle regeneration, paving the way for new treatments for debilitating conditions such as muscular dystrophy. The research shows for the first time that a protein called Wnt7a increases the number of stem cells in muscle tissue, leading to accelerated growth and repair of skeletal muscle.
Sun, 7 Jun 09
Key Regulator Of Fat Cell Development Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BmFtgwTYoSo/090603110150.htm
Scientists have discovered how two related proteins and their roles in a key molecular pathway are critical to creating obesity-causing fat cells.
Sun, 7 Jun 09
Findings In Epilepsy Gene In Animals May Guide Treatment Directions For Infants
http://feeds.sciencedaily.com/~r/sciencedaily/~3/XIz6bVX-V34/090601121712.htm
Researchers studying a difficult-to-treat form of childhood epilepsy called infantile spasms have developed a line of mice that experiences seizures with features closely resembling those occurring in human infants. These genetically engineered mice provide a new opportunity for scientists to test treatments that may benefit children.
Sun, 7 Jun 09
Surprising Green Energy Investment Trends Found Worldwide
http://feeds.sciencedaily.com/~r/sciencedaily/~3/v_q0IY-ol-I/090603101400.htm
Some $155 billion was invested in 2008 in clean energy companies and projects worldwide, not including large hydro, a new report says. Of this $13.5 billion of new private investment went into companies developing and scaling-up new technologies alongside $117 billion of investment in renewable energy projects from geothermal and wind to solar and biofuels.
Sun, 7 Jun 09
Gay Marriage Bans Linked To Rise In HIV Rate
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-GhHsL2eGQo/090605171435.htm
Bans on same-sex marriage can be tied to a rise in the rate of HIV infection, a new study has found.
Sun, 7 Jun 09
'Colossal' Magnetic Effect Under Pressure: Another Revolution In Computing Technology?
http://feeds.sciencedaily.com/~r/sciencedaily/~3/dQ5q-QQ-WOk/090605125340.htm
Millions of people today carry around pocket-sized music players capable of holding thousands of songs, thanks to the discovery 20 years ago of a phenomenon known as the "giant magnetoresistance effect," which made it possible to pack more data onto smaller and smaller hard drives. Now scientists are on the trail of another phenomenon, called the "colossal magnetoresistance effect" (CMR) which is up to a thousand times more powerful and could trigger another revolution in computing technology.
Sun, 7 Jun 09
New Genetic Immune Disorder In Children Discovered
http://feeds.sciencedaily.com/~r/sciencedaily/~3/SlMHk7C5EnA/090604095339.htm
Your immune system plays an important function in your health -- it protects you against viruses, bacteria, and other toxins that can cause disease. In autoinflammatory diseases, however, the immune system goes awry, causing unprovoked and dangerous inflammation. Now, researchers have discovered a new autoinflammatory syndrome, a rare genetic condition that affects children around the time of birth.
Sun, 7 Jun 09
Nature Parks Can Save Species As Climate Changes
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ZqQhIyj_PNA/090601211429.htm
Retaining a network of wildlife conservation areas is vital in helping to save up to 90 per cent of bird species in Africa affected by climate change, according to scientists.
Sun, 7 Jun 09
Linking Genetic Material MicroRNAs With Cells That Regulate The Immune System Could One Day Lead To New Therapies For Treating Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/vjccTy8_Ebw/090601182658.htm
Linking genetic material microRNAs with cells that regulate the immune system could one day lead to new therapies for treating cancer, infections and autoimmune diseases, according to a new study.
Sun, 7 Jun 09
New Technique Developed To Evaluate Basketball Players
http://feeds.sciencedaily.com/~r/sciencedaily/~3/KUCaM-B5mU8/090605075306.htm
A team of Spanish and American researchers has developed a method to evaluate basketball players that will, they say, better meet the requirements of the sport’s trainers and experts. The technique uses mathematical models designed to measure productivity.
Sun, 7 Jun 09
Crowded Emergency Departments Pose Greater Risks For Patients With Heart Attacks
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Nwxvxe0AnuY/090604124031.htm
Patients with heart attacks and other forms of chest pain are three to five times more likely to experience serious complications after hospital admission when they are treated in a crowded emergency department, according to a new study.
Sun, 7 Jun 09
Geography And History Shape Genetic Differences In Humans
http://feeds.sciencedaily.com/~r/sciencedaily/~3/zhoKYsNHdaA/090605091157.htm
New research indicates that natural selection may shape the human genome much more slowly than previously thought. Other factors -- the movements of humans within and among continents, the expansions and contractions of populations, and the vagaries of genetic chance -- have heavily influenced the distribution of genetic variations in populations around the world.
Sun, 7 Jun 09
Gene For Deadly Inherited Lung Disease Identified
http://feeds.sciencedaily.com/~r/sciencedaily/~3/T3Q9oCsNT2M/090604124019.htm
A rare, deadly developmental disorder of the lungs called alveolar capillary dysplasia with misalignment of pulmonary veins (ACD/MPV) that usually kills the infants born with it within the first month of life results from deletions or mutations in the FOXF1 transcription factor gene, said a consortium of researchers.
Sun, 7 Jun 09
Breast Cancer Gene Can Be Blocked By Blood Pressure Drug
http://feeds.sciencedaily.com/~r/sciencedaily/~3/jAIYe3JjPRE/090601182651.htm
Researchers have identified a gene that is overexpressed in up to 20 percent of breast cancers and that could be blocked in the lab by a currently available blood pressure drug, according to a new study.
Sun, 7 Jun 09
Break From Hormone Therapy Doesn't Improve Mammograms
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aqqiTj1DVkA/090601182702.htm
It's the downside of not needing to wear a bra: Having "dense" breasts is the biggest risk factor for breast cancer, aside from age. Postmenopausal hormone therapy makes breasts denser -- and harder to "read" on mammograms. So some women take a short hormone break before getting screening mammograms. Now the first large-scale randomized controlled trial of this practice shows it doesn't actually lower women's risk of being called back afterward for unnecessary extra breast imaging.
Sun, 7 Jun 09
Breakthrough Toward Industrial Production Of Fluorescent Nanodiamonds
http://feeds.sciencedaily.com/~r/sciencedaily/~3/rdVDMaSKIb4/090604124806.htm
Scientists have discovered a novel route to fabricate fluorescent nanoparticles from diamond microcrystals.
Sun, 7 Jun 09
Smoking-cessation Research Highlights Importance Of Keeping Teens From Smoking
http://feeds.sciencedaily.com/~r/sciencedaily/~3/gVIFAtmJiaE/090603103809.htm
Despite the efforts of college students to quit smoking, recent research suggests that an extended trial and error period is necessary. Given that most college students begin smoking in high school, another study provides insights into how graphic cigarette warning labels impact intentions of American and Canadian teens.
Sun, 7 Jun 09
Bird Species Decline: Wader Populations Decline Faster Than Ever
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aL87zkvYgnE/090606195747.htm
More than half the populations of waders in Europe, West Asia and Africa are declining at an accelerating rate.
Sun, 7 Jun 09
Bird Migrations Set To Increase: Added Distance Is 'Considerable Threat' To Some Species
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4_9-TgEmrgU/090606195332.htm
Bird migrations are likely to get longer according to the first ever study of the potential impacts of climate change on the breeding and winter ranges of migrant birds. The length of some migrations could increase by as much as 400 km. "The predicted future temperature changes and the associated changes in habitat could have serious consequences for many species", said lead-author of a new study.
Sun, 7 Jun 09
Hundreds Of Cell-surface Proteins Can Be Simultaneously Studied With New Technique
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FYWviP29RJg/090606194216.htm
A new method now enables researchers to study hundreds of cell-surface proteins simultaneously. The results obtained could help to develop more accurate diagnostic tests and more specific therapies in the future.
Sun, 7 Jun 09
Beehive Fence Deters Elephant Raiders
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Xex9HJGTZ88/090606111040.htm
A fence made out of beehives wired together has been shown to significantly reduce crop raids by elephants, Oxford University scientists report.
Sun, 7 Jun 09
Misreading Of Histone Code Linked To Human Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/V-KnHQke37M/090606110445.htm
The development of blood from stem cell to fully formed blood cell follows a genetically determined program. When it works properly, blood formation stops when it reaches maturity. But when it doesn't, genetic mutations can prevent the stop signal and cause the developing cells to turn cancerous. In research published in Nature, Rockefeller University scientists show for the first time that a misreading of the blood cells' histone code is responsible for acute myeloid leukemia, a rare form of the deadly blood cancer.
Sun, 7 Jun 09
Unmanned Aircraft Helping Scientists Learn About Alaskan Ice Seals
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aOjarxY-UCk/090606110130.htm
Scientists have launched an unmanned aircraft to mount the vehicle's first search for ice seals at the southern edge of the Bering Sea pack ice during the Arctic spring, in an effort to learn more about these remotely located species.
Sun, 7 Jun 09
New Category Of Fat In Mammalian Cells May Help Explain How Toxin Harms Farm Animals
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_x1iQ7r0lhA/090606105725.htm
A new category of fats in mammalian cells may help explain how a harmful toxin called fumonisin causes disease in farm animals.
Sun, 7 Jun 09
'Junk' DNA Proves To Be Highly Valuable
http://feeds.sciencedaily.com/~r/sciencedaily/~3/MNCqGt-I-wA/090606105203.htm
What was once thought of as DNA with zero value in plants--dubbed "junk" DNA--may turn out to be key in helping scientists improve the control of gene expression in transgenic crops.
Sat, 6 Jun 09
Bats Recognize The Individual Voices Of Other Bats
http://feeds.sciencedaily.com/~r/sciencedaily/~3/N5-z6UQay5M/090604222434.htm
Bats use echolocation for more than just spatial knowledge. Bats can use the characteristics of other bats' voices to recognize each other, according to a new study.
Sat, 6 Jun 09
Carbon Monoxide Reverses Diabetic Gastric Problem In Mice, Study Suggests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/NMldnYrYRy4/090601182653.htm
Researchers have shown that very low doses of inhaled carbon monoxide in diabetic mice reverses the condition known as gastroparesis or delayed stomach emptying, a common and painful complication for many diabetic patients.
Sat, 6 Jun 09
Most Common Brain Cancer May Originate In Neural Stem Cells
http://feeds.sciencedaily.com/~r/sciencedaily/~3/znYk75g6lyw/090601121706.htm
Scientists have found that a deficiency in a key tumor suppressor gene in the brain leads to the most common type of adult brain cancer. The study, conducted in mice that mimic human cancer, points the way to more effective future treatments and a way to screen for the disease early.
Sat, 6 Jun 09
New System Monitors Fetal Heartbeat
http://feeds.sciencedaily.com/~r/sciencedaily/~3/wjYWv1qKIwQ/090601121710.htm
Tiny fluctuations in a fetus's heartbeat can indicate distress, but currently there is no way to detect such subtle variations except during labor, when it could be too late to prevent serious or even fatal complications. Now, a new system could allow much earlier monitoring of the fetal heartbeat.
Sat, 6 Jun 09
Controlling Heat In Large Data Centers With Improved Techniques
http://feeds.sciencedaily.com/~r/sciencedaily/~3/zdaRMfc3yu8/090602161940.htm
Approximately a third of the electricity consumed by large data centers doesn't power the computer servers that conduct online transactions, serve web pages or store information. Instead, that electricity must be used for cooling the servers, a demand that continues to increase as computer processing power grows.
Sat, 6 Jun 09
Students Who Get Stuck Look For Computer Malfunctions
http://feeds.sciencedaily.com/~r/sciencedaily/~3/uVx0o2M6n5g/090605112333.htm
When students working with educational software get stymied, they often try to find fault with the computer or the software, rather than look to their own mistakes, according to new research.
Sat, 6 Jun 09
Scientists Use Bed Bugs' Own Chemistry Against Them
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4ucnlwh0VlI/090602133555.htm
Scientists here have determined that combining bed bugs' own chemical signals with a common insect control agent makes that treatment more effective at killing the bugs. The researchers found that stirring up the bed bugs by spraying their environment with synthetic versions of their alarm pheromones makes them more likely to walk through agents called desiccant dusts, which kill the bugs by making them highly susceptible to dehydration.
Sat, 6 Jun 09
'Shock And Kill' Research Gives New Hope For HIV-1 Eradication
http://feeds.sciencedaily.com/~r/sciencedaily/~3/HkwpYbBhueA/090604095129.htm
Latent HIV genes can be "smoked out" of human cells. This so-called "shock and kill" technique might represent a new milestone along the way to the discovery of a cure for HIV/AIDS.
Sat, 6 Jun 09
Newly Discovered Reactions From An Old Drug May Lead To New Antibiotics
http://feeds.sciencedaily.com/~r/sciencedaily/~3/81sJvEdTXmw/090601111936.htm
A mineral found at health food stores could be the key to developing a new line of antibiotics for bacteria that commonly cause diarrhea, tooth decay and, in some severe cases, death. Selenium is found in a number of proteins. New research shows that interrupting the way selenoproteins are made can halt the growth of the super bug Clostridium difficile and Treponema denticola, a major contributor to gum disease.
Sat, 6 Jun 09
One In Four Nursing Home Residents Carry MRSA, UK Study Suggests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ZEl2i4VyO0k/090604095131.htm
MRSA is a major problem in nursing homes with one in four residents carrying the bacteria, a new study has found.
Sat, 6 Jun 09
If At First You Don't Succeed, Let The Search Engine Try
http://feeds.sciencedaily.com/~r/sciencedaily/~3/3kwcGqa632M/090605171240.htm
No matter how good a search engine is, it is sometimes necessary to change the search terms to get the information you need. But what if you did not have to change the search terms yourself? What if the search engine could do that for you?
Sat, 6 Jun 09
Even With No Treatment Available, Cancer Patients Want To Know Metastasis Risk
http://feeds.sciencedaily.com/~r/sciencedaily/~3/alQKJ88zJrM/090601182826.htm
If you had cancer and a genetic test could predict the risk of the tumor spreading aggressively, would you want to know -- even if no treatments existed to help you? An overwhelming majority of eye cancer patients would answer yes, according to a new study.
Sat, 6 Jun 09
People Who Wear Rose-colored Glasses See More, Study Shows
http://feeds.sciencedaily.com/~r/sciencedaily/~3/OAdrJ4h6lEI/090603103807.htm
A new study provides the first direct evidence that our mood literally changes the way our visual system filters our perceptual experience suggesting that seeing the world through rose-colored glasses is more biological reality than metaphor.
Sat, 6 Jun 09
Molecular Powerbrokers Involved In Cancer's Spread
http://feeds.sciencedaily.com/~r/sciencedaily/~3/lnppnhZk25U/090601121659.htm
Scientists have known for some time that biological molecules interact with one another in a similarly complex pattern. Now researchers have determined that hamstringing these molecular powerbrokers is a good way to derail processes such as cancer development.
Sat, 6 Jun 09
Molecules Which Flip Into Their Own Mirror Image
http://feeds.sciencedaily.com/~r/sciencedaily/~3/oQrtB6K37n4/090529074952.htm
Catalysts do function, despite the fact that not all the chemical reactions (and partial reactions) which occur are fully understood, including those which take place during the treatment of automobile exhaust. If scientists understood these processes better not only would they be able to optimize exhaust gas catalysts but also other phenomena which are observed on surfaces, for instance when molecules orient themselves in either right or left handed fashion (i.e. as an image or mirror image). Knowing this would, not least, open new avenues of development in pharmacology for the manufacturers of medicines.
Sat, 6 Jun 09
Waist Size And Body Mass Index Are Risk Factors For Sleep Disordered Breathing In Children
http://feeds.sciencedaily.com/~r/sciencedaily/~3/8ACXGyqfBJI/090601091918.htm
A new study found that waist circumference and body mass index (BMI) are consistent, independent risk factors for all severity levels of sleep disordered breathing (SDB) in children, suggesting that as with adult SDB, metabolic factors are important risk factors for childhood SDB.
Sat, 6 Jun 09
Phthalates And Birth Defects? Doubt Cast On Link Between Environmental Chemicals And Male Urogenital Abnormalities
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Zn-oKPPrY5E/090605104540.htm
In recent decades, there have been periodic reports of a worldwide decline in sperm count and quality. Male infertility has ostensibly been on the rise, accompanied by increases in testicular cancer and hypospadias -- a congenital defect in which the opening of the urethra is on the underside, rather than at the end, of the penis. Taken together, these three conditions have been termed testicular dysgenesis syndrome.
Sat, 6 Jun 09
17 Million US Children Live More Than An Hour Away From Trauma Care
http://feeds.sciencedaily.com/~r/sciencedaily/~3/F13IehpE_Rk/090601111944.htm
More than 17 million US children live more than an hour away by ground or air transportation from a life-saving pediatric trauma center, according to a new study by researchers at the Children's Hospital of Philadelphia and the University of Pennsylvania. The creation of a national inventory of pediatric trauma centers may help to identify the locations of gaps and greatly improve access to care for US children, the authors said.
Sat, 6 Jun 09
Parkinson's Disease Associated With Pesticide Exposure In French Farm Workers
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-hQkQhh0lYU/090604124802.htm
The cause of Parkinson's disease (PD), the second most frequent neurodegenerative disease after Alzheimer's disease, is unknown, but in most cases it is believed to involve a combination of environmental risk factors and genetic susceptibility. Laboratory studies in rats have shown that injecting the insecticide rotenone leads to an animal model of PD and several epidemiological studies have shown an association between pesticides and PD, but most have not identified specific pesticides or studied the amount of exposure relating to the association.
Sat, 6 Jun 09
New, Light-driven Nanomotor Is Simpler, More Promising, Scientists Say
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DDp8KTlYz1g/090604155621.htm
Sunflowers track the sun as it moves from east to west. But people usually have to convert sunlight into electricity or heat to put its power to use. Now, a team of chemists is the latest to report a new mechanism to transform light straight into motion -- albeit at a very, very, very tiny scale.
Sat, 6 Jun 09
Drug's Epilepsy-prevention Effect May Be Widely Applicable
http://feeds.sciencedaily.com/~r/sciencedaily/~3/q5vevFb4IGg/090601182914.htm
A drug with potential to prevent epilepsy caused by a genetic condition may also help prevent more common forms of epilepsy caused by brain injury.
Sat, 6 Jun 09
Bee-killing Parasite Genome Sequenced
http://feeds.sciencedaily.com/~r/sciencedaily/~3/uf2QNg6vZ10/090604222430.htm
Scientists have sequenced the genome of a parasite that can kill honey bees. Nosema ceranae is one of many pathogens suspected of contributing to the current bee population decline, termed colony collapse disorder.
Sat, 6 Jun 09
Strategies To Rein In Epidemics Need To Be Retooled For Rural Populations, Computer Modeling Shows
http://feeds.sciencedaily.com/~r/sciencedaily/~3/SLX0DXmnJrM/090602112309.htm
Strategies to mitigate disease epidemics in cities will not be so effective in rural areas, according to researchers using computer models to study the spread of disease. They found that in cities, people have a lot of informal contact with one another but looser ties.
Sat, 6 Jun 09
Different Genes Cause Loss Of Body Parts -- Pelvis And Body Armor -- In Similar Fish
http://feeds.sciencedaily.com/~r/sciencedaily/~3/x3w9NKHiuOA/090604124021.htm
New research shows that when two species of stickleback fish evolved and lost their pelvises and body armor, the changes were caused by different genes in each species. That surprised researchers, who expected the same genes would control the same changes in both related fish. The findings shed new light on how evolution produces diversity in nature, and on the evolution of limb loss.
Sat, 6 Jun 09
Cigarette Smoking Does Not Affect Everyone In Same Way
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kEjNJ7OAZNQ/090604124029.htm
An autoimmune mechanism, compounded by genetic predisposition in COPD, can explain the progression of the disease in some smokers and the evasion in others.
Sat, 6 Jun 09
Carbon Payments Help Protect Threatened Tropical Mammals
http://feeds.sciencedaily.com/~r/sciencedaily/~3/s91GBYjjW1g/090604181251.htm
A new report provides compelling evidence that paying to conserve billions of tons of carbon stored in tropical forests could also protect orangutans, pygmy elephants, and other wildlife at risk of extinction. The study is one of the first to offer quantitative evidence linking the drive to reduce carbon emissions from forests with the push to preserve threatened mammal biodiversity.
Sat, 6 Jun 09
Overweight Male Teens With Normal Blood Pressures Showing Signs Of Heart Damage
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0r8xIA8S4_c/090601111940.htm
Even while their blood pressures are still normal, overweight male teens may have elevated levels of a hormone known to increase pressures as well as early signs of heart damage, researchers say.
Sat, 6 Jun 09
Bacteria From The Deep Can Clean Up Heavy Metals
http://feeds.sciencedaily.com/~r/sciencedaily/~3/nXdJUd8WU3o/090604222432.htm
A novel species of bacteria, Brachybacterium strain Mn32A, isolated from Pacific Ocean sediments, could provide a powerful clean-up tool for heavy metal pollution. Scientists report that the bacterium was highly effective in oxidizing manganese and other heavy metals.
Sat, 6 Jun 09
Benefit To Women Not Enough To Sway Men To Get HPV Vaccine
http://feeds.sciencedaily.com/~r/sciencedaily/~3/NhMwX3HW4Dw/090602112313.htm
Informing men that a new vaccine to prevent human papillomavirus (HPV) would also help protect their female partners against developing cervical cancer from the sexually transmitted infection did not increase their interest in getting the vaccine, according to a new study.
Sat, 6 Jun 09
Stem Cells Cultured On Contact Lens Restore Sight In Patients With Blinding Corneal Disease
http://feeds.sciencedaily.com/~r/sciencedaily/~3/m3ipBT4EyeI/090605081151.htm
In a world-first breakthrough, medical researchers have used stem cells cultured on a simple contact lens to restore sight to sufferers of blinding corneal disease. Sight was significantly improved within weeks of the procedure, which is simple, inexpensive and requires a minimal hospital stay.
Fri, 5 Jun 09
Ticklish Apes? Young Apes Hoot Holler And Laugh In Way Similar To Human Infants
http://feeds.sciencedaily.com/~r/sciencedaily/~3/V2Tkryd6hbE/090604124013.htm
Like human infants, young apes are known to hoot and holler when you tickle them. But is it fair to say that those playful calls are really laughter? The answer to that question is yes, according to new research.
Fri, 5 Jun 09
Hitting Where It Hurts: Exploiting Cancer Cell 'Addiction' May Lead To New Therapies
http://feeds.sciencedaily.com/~r/sciencedaily/~3/oanLs1O67m4/090601121657.htm
A new study uncovers a gene expression signature that reliably identifies cancer cells whose survival is dependent on a common signaling pathway, even when the cells contain multiple other genetic abnormalities. The research identifies critical molecular vulnerabilities, thereby revealing promising therapeutic targets for a common and notoriously treatment resistant cancer.
Fri, 5 Jun 09
Needle Biopsies Safe In 'Eloquent' Areas Of Brain, Study Suggests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FoHfD99IWE8/090603180930.htm
Scientists have concluded that performing a stereotactic needle biopsy in an area of the brain associated with language or other important functions carries no greater risk than a similar biopsy in a less critical area of the brain.
Fri, 5 Jun 09
Beating Bacteria to Prevent Post-LASIK Infections
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0lo9og_dJpg/090601121654.htm
Since bacteria mutate frequently and become resistant to new antibiotics, ophthalmic researchers are on a continuous quest to identify the worst offenders and best treatments. Infections occur rarely in LASIK patients, but data show rates are slowly rising.
Fri, 5 Jun 09
Soap-sniffing Technology Encourages Hand Washing To Reduce Hospital-acquired Infections, Save Money
http://feeds.sciencedaily.com/~r/sciencedaily/~3/I8BcQYphwm0/090603142002.htm
Using sensors capable of detecting drugs in breath, new technology monitors health-care workers' hand hygiene by detecting sanitizer or soap fumes given off from their hands. By reminding workers to clean their hands to remove disease-causing organisms such as the bacteria MRSA, the system could help reduce hospital-acquired infections.
Fri, 5 Jun 09
Immigrants Overcome Great Odds To Raise Children In Foreign Lands, Say Researchers
http://feeds.sciencedaily.com/~r/sciencedaily/~3/9QzOJ4fasCc/090604113926.htm
A recent surge in immigration rates has led psychologists to study how these families are coping and thriving in their adopted countries. Researchers report that close family ties are crucial for immigrants' successful transition to their new country.
Fri, 5 Jun 09
Easily Grossed Out? You Might Be A Conservative!
http://feeds.sciencedaily.com/~r/sciencedaily/~3/4kfxoAAkw7s/090604163620.htm
Are you someone who squirms when confronted with slime, shudders at stickiness or gets grossed out by gore? If so, you might be politically conservative, according to two new studies.
Fri, 5 Jun 09
Sleuths Follow Lung Stem Cells For Generations To Shed Light On Healing
http://feeds.sciencedaily.com/~r/sciencedaily/~3/dpKvX6LNF7o/090604144336.htm
More than one kind of stem cell is required to support the upkeep and repair of the lungs, according to a new study. Scientists painstakingly followed and counted genetically labeled cells in the mouse lung for over a year, under differing conditions, to learn more about natural renewal and healing processes. This information may shed light on what goes wrong in conditions like lung cancer, chronic bronchitis and asthma.
Fri, 5 Jun 09
Elevated Water Temperature And Acidity Boost Growth Of Key Sea Star Species
http://feeds.sciencedaily.com/~r/sciencedaily/~3/0NxZFGP5w1w/090601140926.htm
Elevated water temperatures and heightened concentrations of carbon dioxide can dramatically increase the growth rate of a keystone species of sea star, according to new research.
Fri, 5 Jun 09
Promising Antimicrobial Attacks Virus, Stimulates Immune System
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Ld9sgKfWwPI/090604095121.htm
A promising antimicrobial agent already known to kill bacteria can also kill viruses and stimulate the innate immune system, according to researchers.
Fri, 5 Jun 09
Illegal Fishing Harming Present And Future New England Groundfish Fisheries
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Dk-19MmQgB4/090604124810.htm
Weak enforcement combined with fishermen facing serious economic hardships are leading to widespread violations of fisheries regulations along the Northeastern United States coast. This pattern of noncompliance threatens the success of new fisheries management measures put in place to protect and restore fish stocks, according to a new study.
Fri, 5 Jun 09
Be Your Best Friend If You'll Be Mine: Alliance Hypothesis For Human Friendship
http://feeds.sciencedaily.com/~r/sciencedaily/~3/zCBPh80s314/090602204301.htm
Psychologists have determined that how you rank your best friends is closely related to how you think your friends rank you. The results are consistent with a new theory called the Alliance Hypothesis for Human Friendship, distinct from traditional explanations for human friendship that focused on wealth, popularity or similarity.
Fri, 5 Jun 09
Researchers Solve 'Bloodcurdling' Mystery: Molecular Basis For Regulation Of Blood Clotting
http://feeds.sciencedaily.com/~r/sciencedaily/~3/UHkBcaVbzPg/090604144326.htm
By applying cutting-edge techniques in single-molecule manipulation, researchers have uncovered a fundamental feedback mechanism that the body uses to regulate the clotting of blood. The finding has implications for the treatment of bleeding disorders.
Fri, 5 Jun 09
Mystery Solved: Tiny Protein-activator Responsible For Brain Cell Damage In Huntington Disease
http://feeds.sciencedaily.com/~r/sciencedaily/~3/zQ_GnXbqiu0/090604144330.htm
Brain scientists have figured out why a faulty protein accumulates in cells everywhere in the bodies of people with Huntington's disease, but only kills cells in the part of the brain that controls movement, causing negligible damage to tissues elsewhere.
Fri, 5 Jun 09
How Adrenal Cancer Forms: Dysfunctional Telomeres Can Trigger Cancer Mutations
http://feeds.sciencedaily.com/~r/sciencedaily/~3/dR2kmRZJvMM/090604103638.htm
When telomeres -- the bits of DNA at the end of chromosomes -- become dysfunctional, it can trigger cancer, researchers have found. The study was done in a mouse model that targeted the extremely rare adrenal cancer.
Fri, 5 Jun 09
Genetic Markers Found To Predict Individuals At Risk For Serious Drug Induced Liver Injury
http://feeds.sciencedaily.com/~r/sciencedaily/~3/pnxPeNuyiqQ/090531141333.htm
Initial results from research designed to discover genetic markers that may predict individuals at risk for serious drug induced liver injury (DILI) have been released. Analysis of a subset of DNA patients has led to the discovery that HLA-B*5701 is a major determinant of liver injury induced by flucloxacillin. Flucloxacillin is an antibiotic widely used in Europe and Australia, mainly in the treatment of staphylococcal infections.
Fri, 5 Jun 09
Aluminum-oxide Nanopore Beats Other Materials For DNA Analysis
http://feeds.sciencedaily.com/~r/sciencedaily/~3/mbdFt2Va7PA/090602112307.htm
Fast and affordable genome sequencing has moved a step closer with a new solid-state nanopore sensor.
Fri, 5 Jun 09
Young Unwed Women Who Graduated From Private Religious Schools More Likely To Obtain Abortions
http://feeds.sciencedaily.com/~r/sciencedaily/~3/59QXYyvrd-U/090601091930.htm
Unwed pregnant teens and 20-somethings who attend or have graduated from private religious schools are more likely to obtain abortions than their peers from public schools, according to sociological research. Although rates of reported abortions were higher for young women educated at private religious schools, the type of religious school was not a factor: Catholic schools had similar rates as other religious schools.
Fri, 5 Jun 09
How Humans Have Disrupted The Nitrogen Cycle
http://feeds.sciencedaily.com/~r/sciencedaily/~3/u6Rx2j5IlRM/090604144322.htm
Researchers have found a new proxy to measure the impact of fossil fuel emissions on the global nitrogen cycle. The scientists use nitrogen isotopes found in a Greenland ice core to link nitrates to the rise in nitric oxides since the industrial period. The research also shows the greatest change in the isotope ratios occurred between 1950 and 1980, following a rapid increase in fossil fuel burning. Results are published in Science.
Fri, 5 Jun 09
Lower Levels Of Key Protein Influence Tumor Growth In Mice
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fpSLby6tZCA/090601121701.htm
Tumors need a healthy supply of blood to grow and spread. Researchers have identified a molecule that regulates blood vessel growth that is often found at less-than-normal levels in human tumors. Blocking the expression of the molecule, called PHD2, allows human cancer cells to grow more quickly when implanted into mice and increases the number of blood vessels feeding the tumor.
Fri, 5 Jun 09
Biomimetic-engineering Design Can Replace Spaghetti Tangle Of Nanotubes In Novel Material
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Ak9Vk8ftbgQ/090601121708.htm
Nanoelectromechanical systems devices have the potential to revolutionize the world of sensors: motion, chemical, etc. But taking electromechanical devices from the micro scale down to the nano requires finding a means to dissipate heat output. Researchers say the solution is to build these devices using a thermal material that dissipates heat from the device's center through a hierarchical branched network of carbon nanotubes. The template for this thermal material's design: a living cell.
Fri, 5 Jun 09
Two-drug Combination Appears Safe And Active In Metastatic Kidney Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BLL6_T9l-fk/090531141331.htm
Investigators report that a two-drug blockade of mTOR signaling appears safe in metastatic kidney cancer in a phase I trial. Early data suggests that a combination of temsirolimus and bryostatin may be active in patients with rare forms of renal cell cancer, which are less likely to respond to other targeted therapies.
Fri, 5 Jun 09
Climate Change Models Find Staple Crops Face Ruin On Up To One Million Square Kilometers Of African Farmland
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Fmmstlq3CFI/090602204259.htm
A new study has found that by 2050, hotter conditions, coupled with shifting rainfall patterns, could make anywhere from 500,000 to one million square kilometers of marginal African farmland no longer able to support even a subsistence level of food crops. However, the land, on which some 20 to 35 million people currently live, may still support livestock.
Fri, 5 Jun 09
Over 60 Percent Of All US Bankruptcies Attributable To Medical Problems
http://feeds.sciencedaily.com/~r/sciencedaily/~3/6tPiZmlG4Mw/090604095123.htm
Over 60 percent of all bankruptcies in the United States in 2007 were driven by medical incidents. The results of the first-ever national random-sample survey of bankruptcy filers shows that illnesses and medical bills contribute to a large and increasing share of bankruptcies. The share of bankruptcies attributable to medical problems rose by 50 percent between 2001 and 2007. Most victims are middle class, well-educated and have health insurance.
Fri, 5 Jun 09
High Population Density Triggers Cultural Explosions
http://feeds.sciencedaily.com/~r/sciencedaily/~3/l8ekpD5uSqE/090604144324.htm
Increasing population density, rather than boosts in human brain power, appears to have catalyzed the emergence of modern human behavior, according to a new study. High population density leads to greater exchange of ideas and skills and prevents the loss of new innovations. It is this skill maintenance, combined with a greater probability of useful innovations, that led to modern human behavior appearing at different times in different parts of the world.
Fri, 5 Jun 09
Cost-effective Measures Could Stop Child Pneumonia Deaths
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cK1Z3GNUPIk/090601121723.htm
Implementing measures to improve nutrition, indoor air pollution, immunization coverage and the management of pneumonia cases could be cost-effective and significantly reduce child mortality from pneumonia, according to a new study. Researchers found that these strategies combined could reduce total child mortality by 17 percent and could reduce pneumonia deaths by more than 90 percent.
Fri, 5 Jun 09
Goal: Developing The Best Atomic Clock In The World
http://feeds.sciencedaily.com/~r/sciencedaily/~3/imhjWo2w2Pc/090529112059.htm
They are masters at working with light: the scientists at the newly founded QUEST Institute in Germany. And they want to work on some of the most exciting questions relating to physics today: on unimaginably precise methods of measurement for observing the Earth, on the pressing question of the fundamentals of physics, of whether the fundamental constants are really constant, and on the development of the best atomic clock in the world made of a single aluminum atom.
Fri, 5 Jun 09
New Treatment Combination Proves Safe For Head And Neck Cancer Patients, Study Suggests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/pSXzM14dbaA/090531083621.htm
Patients undergoing treatment for advanced head and neck cancers may respond well to the addition of gefinitib to chemotherapy, according to a new study.
Fri, 5 Jun 09
Safe, Efficient Routes For Dangerous Goods
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fbgk_2dTrxI/090603091302.htm
A new routing and monitoring system developed by European researchers for trucks carrying dangerous goods promises to make Europe’s roads safer while saving haulers time and money.
Fri, 5 Jun 09
Early Childhood Conditions That Lead To Adult Health Disparities Identified
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_4HC9_Ad4qw/090602181955.htm
The origins of many adult diseases can be traced to early negative experiences associated with social class and other markers of disadvantage. Confronting the causes of adversity before and shortly after birth may be a promising way to improve adult health and reduce premature deaths, researchers argue.
Fri, 5 Jun 09
Physicists Demonstrate Quantum Entanglement In Mechanical System
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_rP41fUeGZs/090603131429.htm
Physicists have demonstrated entanglement -- a phenomenon peculiar to the atomic-scale quantum world -- in a mechanical system similar to those in the macroscopic everyday world. The work extends the boundaries of the arena where quantum behavior can be observed and shows how laboratory technology might be scaled up to build a functional quantum computer.
Fri, 5 Jun 09
First Heart Patients Implanted With Next-generation Mechanical Heart Pump
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FvI_ypSbH4w/090602133557.htm
Three patients have just been implanted with a next-generation artificial heart pump called the DuraHeart Left-Ventricular Assist System.
Fri, 5 Jun 09
Bacteria And Algae Act As Biocatalysts For Deep-sea Raw Material Deposition
http://feeds.sciencedaily.com/~r/sciencedaily/~3/puVroNy8tyA/090601085918.htm
The sea floor is strewn with raw materials that could be very important in the future: Manganese and iron, but also rarer and more precious elements such as cobalt, copper, zinc and nickel, are present in great quantities in the form of deep-sea nodules and crusts.
Fri, 5 Jun 09
Ways To Predict Exercise-induced Asthma And Its Severity Without Requiring An Exercise Challenge
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ijpBew-X90w/090530172218.htm
Two new studies have explored the potential use of two simple tests for not only predicting whether someone has exercise-induced asthma (EIA) but also its severity, without subjecting the patient to an exercise challenge.
Fri, 5 Jun 09
Molecular Complex Essential For Vision Identified In Fungi
http://feeds.sciencedaily.com/~r/sciencedaily/~3/r737eLK8CMw/090602083723.htm
Researchers have identified one of the protein components of a molecular complex that allows light reception in a laboratory fungus.
Fri, 5 Jun 09
People With Mental Health Problems Receive Inadequate Medical Care, Study Suggests
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FF5PBXrVu0M/090602083721.htm
A UK psychiatrist warns that medical care delivered across most branches of medicine to those with a mental health or substance abuse diagnosis is of inferior quality to the usual standard of care.
Fri, 5 Jun 09
Stellar Family In Crowded, Violent Neighborhood Proves To Be Surprisingly Normal
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BQw5RS3i9Qo/090604095133.htm
Astronomers have obtained one of the sharpest views ever of the Arches Cluster -- an extraordinary dense cluster of young stars near the supermassive black hole at the heart of the Milky Way. Despite the extreme conditions astronomers were surprised to find the same proportions of low- and high-mass young stars in the cluster as are found in more tranquil locations in our Milky Way.
Fri, 5 Jun 09
Diet May Reduce Risk Of Prostate Cancer
http://feeds.sciencedaily.com/~r/sciencedaily/~3/22obByU-NeA/090603103811.htm
Certain modifications in diet have a beneficial effect on the prevention of prostate cancer. Results suggest that a diet low in fat and red meat and high in fruits and vegetables is beneficial in preventing and treating prostate cancer.
Fri, 5 Jun 09
The Green, Green Technology Of Home
http://feeds.sciencedaily.com/~r/sciencedaily/~3/EexleYmJ4M8/090529185935.htm
A newly built "Cliffs Cottage" has all the latest technological innovations in sustainable living. Geothermal heating and cooling, two solar technologies, bamboo floors, furniture made from reclaimed wood, even cisterns that collect rainwater from the roof. The home has 3,400 square feet, but is so energy efficient that it can be heated and cooled for less than $75 a month.
Fri, 5 Jun 09
Heart Failure Patients In France Still Encouraged To Enjoy Their Food, Even If It's Not As Salty As Before
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BpVom_fAAi4/090530094502.htm
The individualized management program of France's "Reseau Respecti-coeur" makes quality of life the first objective for heart failure patients.
Fri, 5 Jun 09
Electronic Pill Shows Its Smarts By Measuring pH Levels In Digestive Tract
http://feeds.sciencedaily.com/~r/sciencedaily/~3/7rPwMgN3i6s/090603180926.htm
An electronic diagnostic tool called the SmartPill is swallowed by patients in order to take measurements as it travels through the gastrointestinal tract. A new study by physician-scientists used the device in patients with mild to moderate ulcerative colitis (UC), determining that they have significantly more acidic pH in their colons, compared with the average person -- a finding that may impact treatment strategy.
Fri, 5 Jun 09
Discoveries Shed New Light On How The Brain Processes What The Eye Sees
http://feeds.sciencedaily.com/~r/sciencedaily/~3/9ZdLoGtCvlo/090602161936.htm
Researchers have identified the need to develop a new framework for understanding "perceptual stability" and how we see the world with their discovery that visual input obtained during eye movements is being processed by the brain but blocked from awareness.
Fri, 5 Jun 09
How 'Invading' Bacteria Can Integrate Captured DNA Into Own Genetic Makeup
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DDl00fJNMTk/090602161942.htm
Call it advanced warfare on the most elemental of levels. Researchers have discovered how certain types of bacteria integrate the DNA that they have captured from invading enemies into their own genetic makeup to increase their chances of survival.
Fri, 5 Jun 09
Snoring Associated With Sleep Apnea May Impair Brain Function More Than Previously Thought
http://feeds.sciencedaily.com/~r/sciencedaily/~3/FrA2xLFxILA/090603101404.htm
It has been linked to learning impairment, stroke and premature death. Now research have found that snoring associated with sleep apnea may impair brain function more than previously thought. Sufferers of obstructive sleep apnea experience similar changes in brain biochemistry as people who have had a severe stroke or who are dying, the research shows.
Fri, 5 Jun 09
Motion Capture Technology Takes A Leap Forward
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BsbS4B75N8Q/090602083356.htm
A juggler and a conductor were among the artists who helped create a device which can retrieve dozens of different movement sequences in a matter of minutes. Motion capture tools are used by the performing arts for everything from live productions to creative screen-bound works, choreographic notation and archiving, but it is difficult to identify required sequences for a given project amid the mass of data these tools generate. A new prototype data retrieval tool makes selecting movement features or sequences much easier: the user 'sketches' the required movement with a mouse or pen and this triggers a search for a similar sequence.
Fri, 5 Jun 09
Protein Linked To Mental Retardation Controls Synapse Maturation, Plasticity
http://feeds.sciencedaily.com/~r/sciencedaily/~3/TZ5g-8_ne30/090601111946.htm
Neuroscientists have demonstrated the mechanism by which a signaling protein found throughout the brain controls the maturation and strength of excitatory synapses, the tiny gaps across which the majority of neurons communicate. The discovery is important, in part, because deficits of the signaling protein in question, called oligophrenin-1, have been previously linked with X-linked mental retardation.
Fri, 5 Jun 09
New Radar Improves Defense Of Earth's Technologies Against Threat Of Space Weather
http://feeds.sciencedaily.com/~r/sciencedaily/~3/94hd9sM5KJc/090603091258.htm
Scientists have implemented a new radar mode to create clearer picture of space weather.
Fri, 5 Jun 09
Women May Not Be So Picky After All About Choosing A Mate
http://feeds.sciencedaily.com/~r/sciencedaily/~3/lUYG2pLzg1o/090603101406.htm
Men and women may not be from two different planets after all when it comes to choosiness in mate selection, according to new research. Women, it turned out, were not any pickier than men in choosing that special someone to date, according to the speed dating study.
Thu, 4 Jun 09
New Radio Chip Mimics Human Ear
http://feeds.sciencedaily.com/~r/sciencedaily/~3/D7jEC1RBTa0/090603131441.htm
Engineers have built a fast, ultra-broadband, low-power radio chip, modeled on the human inner ear, that could enable wireless devices capable of receiving cell phone, Internet, radio and television signals.
Thu, 4 Jun 09
Common Diabetes Drug May 'Revolutionize' Cancer Therapies: Unexpected T-cell Breakthrough
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cLh4Nmo8ePA/090603131433.htm
Researchers have discovered that a widely used anti-diabetic drug can boost the immune system and increase the potency of vaccines and cancer treatments.
Thu, 4 Jun 09
Scientists Demonstrate All-fiber Quantum Logic
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ClpU8JV3dQk/090528135246.htm
A team of physicists and engineers have demonstrated all-fiber quantum logic, where single photons are generated and used to perform the controlled-NOT quantum logic gate in optical fibers with high fidelity.
Thu, 4 Jun 09
Simple Drug Treatment May Prevent Nicotine-induced SIDS
http://feeds.sciencedaily.com/~r/sciencedaily/~3/lwZJTGU770w/090603101402.htm
A new study has identified a specific class of pharmaceutical drugs that could be effective in treating babies vulnerable to Sudden Infant Death syndrome (SIDS), because their mothers smoked during pregnancy.
Thu, 4 Jun 09
Estrogen Linked To Lowered Immunity In Fish
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ggxPpEqMUg0/090603113712.htm
Exposure to estrogen reduces production of immune-related proteins in fish. This suggests that certain compounds, known as endocrine disruptors, may make fish more susceptible to disease. The research may provide new clues for why intersex fish, fish kills and fish lesions often occur together in the Shenandoah and Potomac rivers.
Thu, 4 Jun 09
Musical Diaper Alarm Can Help With Toilet Training Children
http://feeds.sciencedaily.com/~r/sciencedaily/~3/P2OyPqC0Qxk/090603180934.htm
A new study evaluates the use of a daytime diaper that uses a musical "wetting alarm" for children in day-care centers. The findings show that wetting alarm diaper training is an effective option for toilet training in a child-friendly way.
Thu, 4 Jun 09
Computer Graphics Researchers Simulate The Sounds Of Water And Other Liquids
http://feeds.sciencedaily.com/~r/sciencedaily/~3/xmuygbluRaM/090603182120.htm
Splash, splatter, babble, sploosh, drip, drop, bloop and ploop! Those are some of the sounds that have been missing fr
