ScienceDaily Environment Headlines
for Sunday, July 31, 2011
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How bats stay on target despite the clutter (July 30, 2011) -- Neuroscientists have learned how bats can remain on target despite obstacles. The key lies in bats' neural response to echoes from their sonar pulses: Differences in delay as short as 3 microseconds between parts of an echo is enough to tell the bat the object may not be its target. The research could lead to more precise targeting by sonar-led vehicles. ... > full story
Warming climate could give exotic grasses edge over natives (July 30, 2011) -- With rising temperatures and decreasing rainfall, California's native grasses will likely suffer at the hands of exotic invasive grasses, which are more equipped to deal with warmer weather. That is the conclusion of researchers who analyzed all exotic and native grasses in the state and predicted their likely range changes with changing climate. ... > full story
Largest-ever map of plant protein interactions (July 30, 2011) -- Researchers have mapped and analyzed thousands of protein-to-protein interactions within the cells of Arabidopsis thaliana -- a variety of mustard plant that is to plant biology what the lab mouse is to human biology. The research promises to enable biologists to make agricultural plants more nutritious and more resistant to drought and diseases. ... > full story
Powerful fluorescence tool lights the way to new insights into RNA of living cells (July 30, 2011) -- The ability to tag proteins with a green fluorescent light to watch how they behave inside cells so revolutionized the understanding of protein biology that it earned the scientific teams who developed the technique Nobel Prizes in 2008. Now, researchers have developed a similar fluorescent tool that can track the mysterious workings of the various forms of cellular RNA. ... > full story
Fall of the Neanderthals: Volume of modern humans infiltrating Europe cited as critical factor (July 29, 2011) -- New research sheds light on why, after 300,000 years of domination, European Neanderthals abruptly disappeared. Researchers have discovered that modern humans coming from Africa swarmed the region, arriving with over ten times the population as the Neanderthal inhabitants. ... > full story
Oral interferon may prevent and control avian influenza virus infection (July 29, 2011) -- Avian influenza virus is a threat to the commercial chicken industry and, with its recent rapid spread across China, has also shown the ability for transmission from chickens to humans and other mammals. ... > full story
Doggedly tracking badgers (July 29, 2011) -- How far would you drive in the Badger State to find a badger -- or even a burrow? One graduate student has traveled more than 300 miles -- more than once -- only to find her research subject had moved on to a new address. ... > full story
Gene discovery in truffle dogs sheds new light on mechanisms of childhood epilepsy (July 29, 2011) -- A new epilepsy gene, LGI2, has been found in the Lagotto Romagnolo dogs, known from their gift for truffle hunting. ... > full story
Genetic evidence clears Ben Franklin: Invasive tree afflicting Gulf Coast was not brought to U.S. by famed statesman (July 29, 2011) -- The DNA evidence is in, and Ben Franklin didn't do it. Genetic tests on more than 1,000 Chinese tallow trees from the United States and China show that Franklin did not import the tallow trees that are overrunning thousands of acres of U.S. coastal prairie from Florida to East Texas. The study found that the invasive strain of the tree was likely imported by federal biologists around 1905. ... > full story
NASA measures wildfire pollution pour over Niagara Falls (July 29, 2011) -- Water isn't the only thing pouring over Niagara Falls. Pollution from fires in Ontario, Canada is also making the one thousand mile trip, while being measured by NASA's Aqua satellite. ... > full story
Aging brains are different in humans and chimpanzees; Evolution of human longevity led to both a large brain and brain shrinkage (July 29, 2011) -- Brains shrink in humans, potentially causing a number of health problems and mental illnesses as people age, but do they shrink to the same extent in the closest living relatives to humans -- the chimpanzees? ... > full story
Emulating nature for better engineering (July 29, 2011) -- Researchers in the UK describe a novel approach to making porous materials, solid foams, more like their counterparts in the natural world, including bone and wood. ... > full story
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