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63,002 articles from ScienceDaily

• WEDNESDAY 30. SEPTEMBER, 2009
• 02:30 Protein Structure Sheds Light On How Insects Smell, Points To Eco-Friendly Pest Control

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  New research by a team of leading scientists working with the UK's national Synchrotron, Diamond Light Source, could have a significant impact on the development and refinement of new eco-friendly pest control methods for worldwide agriculture.  

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• 02:30 Transgenic Songbirds Provide New Tool To Understand The Brain

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  A new genetic tool will enable scientists to study vocal learning and neurogenesis at the molecular level in songbirds.  

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• 02:30 Heparin Can Cause Skin Lesions

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  Heparin, a commonly used anticoagulant, can cause skin lesions, reports a new study. Skin lesions caused by heparin may indicate the presence of a life-threatening decrease in the number of platelets, a condition called "heparin-induced thrombocytopenia" or, in most cases, a self-limiting, allergic skin reaction.  

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• 02:30 Racial Disparities In Diabetes Prevalence Linked To Living Conditions

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  The higher incidence of diabetes among African Americans when compared to whites may have more to do with living conditions than genetics, according to new research. The study found that when African Americans and whites live in similar environments and have similar incomes, their diabetes rates are similar, which contrasts with the fact that nationally diabetes is more prevalent among African-Americans than whites.  

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• 02:30 Women Fare Better Than Men With Metastatic Colorectal Cancer: Are Hormones Helping?

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  Younger women with metastatic colorectal cancer lived longer than younger men. However, this survival advantage disappeared with age, suggesting a benefit from estrogen or other hormones, according to new results.  

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• 02:30 Air Pollutants From Abroad A Growing Concern, Says New Report

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  Plumes of harmful air pollutants can be transported across oceans and continents -- from Asia to the United States and from the United States to Europe -- and have a negative impact on air quality far from their original sources, says a new report by the National Research Council.  

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• 02:30 Improving Stem Cell Techniques Using Protein Found In Moss

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  Scientists have discovered a new use for the Polycomb group protein found in moss that have an important role in telling stem cells how to develop.  

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• 02:30 Nanoresearchers Challenge Dogma In Protein Transportation In Cells

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  New data on signaling proteins, called G proteins, may prove important in fighting diseases such as cardiovascular, neurodegenerative disorders, and cancer. For many decades scientists have wondered how signaling proteins transport and organize in specific areas of the cell. Researchers have just provided new, still unrecognized, clues to solve this mystery.  

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• 02:30 New Chemically-activated Antigen Could Expedite Development Of HIV Vaccine

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  Scientists working to develop a vaccine for the human immunodeficiency virus report they have created the first antigen that induces protective antibodies capable of blocking infection of human cells by genetically-diverse strains of HIV. The new antigen differs from previously-tested vaccines by virtue of its chemically-activated property that enables close sharing of electrons and produces strong covalent bonding. Researchers used a mouse model to generate the antibodies.  

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• 02:30 Key To Subliminal Messaging Is To Keep It Negative, Study Shows

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  Subliminal messaging is most effective when the message being conveyed is negative, according to new research.  

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• 02:30 Perceptual Learning Relies On Local Motion Signals To Learn Global Motion

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  Researchers have long known of the brain's ability to learn based on visual motion input, and a recent study has uncovered more insight into where the learning occurs.  

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• 02:30 Sugar + Weed Killer = Potential Clean Energy Source

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  Researchers have developed a fuel cell that harvests electricity from glucose, using a common herbicide as a catalyst.  

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• 02:30 Microchip That Can Detect Type And Severity Of Cancer Created

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  Researchers have used nanomaterials to develop a microchip sensitive enough to quickly determine the type and severity of a patient's cancer so that the disease can be detected earlier for more effective treatment.  

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• 02:30 New Device Finds Early Signs Of Eye Disease In Preemies

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  Tell-tale signs of a condition that can blind premature babies are being seen for the first time using a new handheld device.  

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• TUESDAY 29. SEPTEMBER, 2009
• 22:10 Cosmic Rays Hit Space Age High

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  Planning a trip to Mars? Take plenty of shielding. According to sensors on NASA's Advanced Composition Explorer spacecraft, galactic cosmic rays have just hit a Space Age high.  

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• 22:10 Natural Compound In Extra-virgin Olive Oil -- Oleocanthal -- May Help Prevent, Treat Alzheimer's

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  Oleocanthal, a naturally-occurring compound in extra-virgin olive oil, alters the structure and increases antibody recognition of neurotoxic proteins associated with Alzheimer's disease. The structural change impedes the proteins' ability to damage brain nerve cells, while increased antibody recognition may enhance immunotherapy-based treatments. The findings suggest that oleocanthal may have potential as a preventative and therapeutic agent for Alzheimer's.  

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• 22:10 Risk Of Bone Fractures Associated With Use Of Diabetes Drug

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  New research suggests that there is an association between thiazolidinediones -- a type of drug introduced in the 1990s to treat type 2 diabetes -- and bone fracture.  

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• 22:10 More Corn For Biofuels Would Hurt Water, Study Shows

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  More of the fertilizers and pesticides used to grow corn would find their way into nearby water sources if ethanol demands lead to planting more acres in corn, according to a new study.  

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• 22:10 Young Adults May Outgrow Bipolar Disorder

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  Bipolar disorder, or manic-depression, causes severe and unusual shifts in mood and energy, affecting a person's ability to perform everyday tasks. With symptoms often starting in early adulthood, bipolar disorder has been thought of traditionally as a lifelong disorder. Now, researchers have found evidence that nearly half of those diagnosed between the ages of 18 and 25 may outgrow the disorder by the time they reach 30.  

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• 22:10 New Target To Prevent Fatal Flu Lung Complication Identified

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  New research has identified a therapeutic target for acute lung injury resulting in acute respiratory distress syndrome, a highly fatal complication of influenza infection.  

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• 22:10 Mother Knows Best: Females Control Sperm Storage To Pick The Best Father

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  Scientists have found new evidence to explain how female insects can influence the father of their offspring, even after mating with up to ten males. A team has found that female crickets are able to control the amount of sperm that they store from each mate to select the best father for their young. The research suggests females may be using their abdominal muscles to control the amount of sperm stored from each mate.  

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• 22:10 Sold-out Products Influence Consumer Choice

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  An empty store shelf tempts shoppers to buy the next best thing, according to a new study.  

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• 22:10 Gene Could Lead To New Therapies For Bone Marrow Disease

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  Researchers are one step closer to finding new ways to treat myelodysplastic syndrome (MDS), a bone marrow disease that strikes up to 15,000 people each year in the United States, and that sometimes results in acute myeloid leukemia. Researchers found that the gene RhoB is important to the disease's progression and could prove to be a therapeutic target for late-stage MDS.  

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• 22:10 Linking Weight Loss To Less Sleep Apnea

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  While doctors have long advised overweight/obese patients with sleep apnea to lose weight, there has been little scientific evidence to prove the link. But a new study has found that those who lost weight were three times more likely to have virtually no sleep apnea episodes after one year.  

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• 20:00 Feathery Four-winged Dinosaur Fossil Found In China Bridges Transition To Birds

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  A fossil of a bird-like dinosaur with four wings has been discovered in northeastern China. The specimen bridges a critical gap in the transition from dinosaurs to birds, and reveals new insights into the origin evolution of feathers.  

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