ScienceDaily Environment Headlines -- for Sunday, March 20, 2011

ScienceDaily Environment Headlines

for Sunday, March 20, 2011

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Secrets of plague revealed through super-resolution microscopy technique (March 19, 2011) -- In work that is pushing the "diffraction barrier" associated with microscopic imaging of living cells, researchers have demonstrated the power of a new super-resolution microscopy technique called Stochastic Optical Reconstruction Microscopy (STORM), which can simultaneously image multiple molecules in living immune cells. ... > full story

Chemical-free pest management cuts rice waste (March 19, 2011) -- A novel way of bringing sustainable, pesticide-free processes to protect stored rice and other crops from insects and fungi can drastically cut losses of stored crops and help increase food security for up to 3 billion daily rice consumers. ... > full story

Allergies? Pollen also appears outside flowering season (March 19, 2011) -- Researchers have shown that the pollen levels of certain plants, such as grasses and cupressaceae, can appear before or after the peak moment of flowering. This phenomenon is caused by the "resuspension" of pollen, and its dispersal over large distances, and this is of great use in predicting allergies. ... > full story

World record for DNA analysis (March 19, 2011) -- Until recently, researchers have been limited to running just a few DNA samples at a time, at a cost of about ,000 U.S. per run. Now researchers have hit upon a new method that allows 5,000 samples to be run at the same time and at the same price. This cuts the cost per sample result considerably and constitutes a world record for the number of tests run in a single DNA sequencing analysis. ... > full story

Wide variety in nutritional content found in 'senior' dog foods (March 19, 2011) -- The nutritional content of dog foods marketed for old dogs varies as widely as owner's perceptions about them, according to a new study. ... > full story

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

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

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

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

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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