ScienceDaily Top Science Headlines -- for Saturday, March 19, 2011

ScienceDaily Top Science Headlines

for Saturday, March 19, 2011

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Human prejudice has ancient evolutionary roots (March 18, 2011) -- The tendency to perceive others as "us versus them" isn't exclusively human but appears to be shared by our primate cousins, a new study has found. ... > full story

'Bilingual' neurons may reveal the secrets of brain disease (March 18, 2011) -- Researchers have discovered a type of "cellular bilingualism" -- a phenomenon that allows a single neuron to use two different methods of communication to exchange information. ... > full story

Human gender roles influence research on animals, Swedish biologists argue (March 18, 2011) -- Biologists have shown that animals' and plants' traits and behavior in sexual conflicts are colored by a human viewpoint. They want to raise awareness of the issue and provoke discussion among their colleagues in order to promote objectivity and broaden the research field. ... > full story

Epilepsy and coordination disorders: Important role for the cerebellum (March 18, 2011) -- Hereditary diseases such as epilepsy or various coordination disorders may be caused by changes in nerve cells of the cerebellum, which do not set in until after birth. ... > full story

Ecologists use 70-year-old pressed plants to chart city's vanishing native flora (March 18, 2011) -- More than half of the world's population now lives in cities, yet we know little about how urbanization affects biodiversity. In one the first studies of its kind, ecologists in Indianapolis, USA have used 70-year-old dried plant specimens to track the impact of increasing urbanization on plants. ... > full story

Sad dads spank more, read less, study finds (March 18, 2011) -- Depression in fathers can negatively affect a young child's health and development. Compared to their non-depressed counterparts, depressed fathers are nearly four times more likely to report spanking their child, according to a new study. Depressed dads are also less likely to read to their children, the study found. ... > full story

New blood analysis chip could lead to disease diagnosis in minutes (March 18, 2011) -- A major milestone in microfluidics could soon lead to stand-alone, self-powered chips that can diagnose diseases within minutes. The device is able to process whole blood samples without the use of external tubing or external components. ... > full story

Hospital infections: Unique antibody from llamas provide weapon against Clostridium difficile (March 18, 2011) -- Researchers say they are gaining a deeper understanding of virulent hospital infection and are closer to developing a novel treatment using antibodies from llamas. ... > full story

Record-breaking 2010 Eastern European/Russian heatwave (March 18, 2011) -- Scientists have compared the hot summers of 2003 and 2010 in detail for the first time. Last year’s heatwave across Eastern Europe and Russia was unprecedented in every respect: Europe has never experienced so large summer temperature anomalies in the last 500 years. ... > full story

New study adds weight to diabetes drug link to heart problems (March 18, 2011) -- A new study adds to mounting evidence that rosiglitazone -- a drug used to treat Type 2 diabetes -- is associated with an increased risk of major heart problems. ... > full story

Scientists take a look at systems biology and cellular networking (March 18, 2011) -- Systems biology holds promise for advances in such important areas as pharmaceuticals, environmental remediation and sustainable energy, but, according to two leading authorities, its most profound impact is that it might one day provide an answer to the central question: What is life? ... > full story

Japanese tsunami underscores need for elder disaster preparedness (March 18, 2011) -- The oldest segment of Japan's population will likely be the hardest hit as a result of the recent earthquake and subsequent tsunami, based on data from previous catastrophic events. Approximately 23 percent of Japanese citizens currently are age 65 and above. ... > full story

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