The EDGE: ScienceDaily Top Science Headlines -- for Sunday, September 2, 2012

ScienceDaily Top Science Headlines

for Sunday, September 2, 2012

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Flying high: Researchers decipher manic gene (September 1, 2012) -- Flying high, or down in the dumps -- individuals suffering from bipolar disorder alternate between depressive and manic episodes. Researchers have now discovered, based on patient data and animal models, how the NCAN gene results in the manic symptoms of bipolar disorder. ... > full story

Small male fish use high aggression strategy (September 1, 2012) -- In the deserts of central Australia lives a tough little fish known as the desert goby, and a new study is shedding light on the aggressive mating behaviour of smaller nest-holding males. ... > full story

Chilling methods could change meat tenderness (August 31, 2012) -- Contrary to previous studies, new research shows that a method called blast chilling can affect pork tenderness. This discovery could change pork production and consumer choices at the grocery store. ... > full story

Exposure to common toxic substances could increase asthma symptoms (August 31, 2012) -- Children who are exposed to polychlorinated biphenyls (PCBs), which were commonly used in a range of industrial products, could be at risk of an increase in asthma symptoms, according to new research. ... > full story

Earthquake hazards map study finds deadly flaws (August 31, 2012) -- Three of the largest and deadliest earthquakes in recent history occurred where earthquake hazard maps didn't predict massive quakes. Scientists have recently studied the reasons for the maps' failure to forecast these quakes. They also explored ways to improve the maps. Developing better hazard maps and alerting people to their limitations could potentially save lives and money in areas such as the New Madrid, Missouri fault zone. ... > full story

Genetic link to prostate cancer risk in African Americans found (August 31, 2012) -- Prostate cancer in African-American men is associated with specific changes in the IL-16 gene, and by establishing the link in men of African as well as European descent, researchers may have found a useful new biomarker for prostate cancer. ... > full story

Legislated to health? If people don't take their health into their own hands, governments may use policies to do it for them (August 31, 2012) -- Obesity rates in North America are a growing concern for legislators. Expanded waistlines mean rising health-care costs for maladies such as diabetes, heart disease and some cancers. One researcher says that if people do not take measures to get healthy, they may find that governments will throw their weight into administrative measures designed to help us trim the fat. ... > full story

A millimeter-scale, wirelessly powered cardiac device (August 31, 2012) -- Electrical engineers overturn existing models to demonstrate the feasibility of a millimeter-sized, wirelessly powered cardiac device. The findings, say the researchers, could dramatically alter the scale of medical devices implanted in the human body. ... > full story

Hubble spots a supernova in NGC 5806 (August 31, 2012) -- A new image from the NASA/ESA Hubble Space Telescope shows NGC 5806, a spiral galaxy in the constellation Virgo (the Virgin). It lies around 80 million light years from Earth. Also visible in this image is a supernova explosion called SN 2004dg. ... > full story

NASA's GRAIL moon twins begin extended mission science (August 31, 2012) -- NASA's twin, lunar-orbiting Gravity Recovery and Interior Laboratory (GRAIL) spacecraft began data collection for the start of the mission's extended operations. ... > full story

International collaboration key to science and engineering globalization (August 31, 2012) -- International collaboration is a key aspect of the globalization of science and engineering. A recent report and data evaluation released by the U.S. National Science Foundation showed that one in six scientists and engineers in the United States reported working with individuals in other countries in a given week. ... > full story

No pain provides big gains (August 31, 2012) -- Five recent Johns Hopkins University School of Nursing DNP graduates have taken different and unique approaches in working to improve the implementation of pain management in hospitals and clinical practices. ... > full story

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