ScienceDaily Environment Headlines
for Sunday, April 3, 2011
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Optical transistor advance: Physicists rotate beams of light with semiconductor (April 2, 2011) -- Physicists have managed to control the rotation of light by means of a ultra thin semiconductor. The advance could potentially be used to create a transistor that works with light instead of electrical current. ... > full story
Soy increases radiation's ability to kill lung cancer cells, study shows (April 2, 2011) -- A component in soybeans increases radiation's ability to kill lung cancer cells, according to a new study. ... > full story
Manage biological invasions like natural disasters, biologists say (April 2, 2011) -- Biological invasions are often more economically damaging than natural disasters and warrant correspondingly large investments in preparedness and response planning, according to biologists. Such measures seem absent in most developed nations. ... > full story
Insulin could be Alzheimer's therapy (April 2, 2011) -- A low dose of insulin has been found to suppress the expression in the blood of four precursor proteins involved in the pathogenesis of Alzheimer's disease, according to new clinical research. ... > full story
When food is scarce, hungry female spiders alter mating preferences (April 2, 2011) -- Weather and environmental change can bring alterations -- and scarcity -- in food resources. In looking at how such changes might affect mating choices and subsequent reproduction, researchers studied how hunger affects the mating preferences of common female spiders. ... > full story
Sun and shade leaves play different roles in tree canopies (April 2, 2011) -- "Outer" tree canopy leaves influence the sunlight reaching inner canopy leaves by changing their shape, says a new study. ... > full story
Green toad inhabited Iberian Peninsula one million years ago (April 1, 2011) -- Although the green toad (Bufo viridis) can today be found all over Central Europe, Asia, Africa, and even on the Balearic Islands, it became extinct in the Iberian Peninsula at the end of the Early Pleistocene (1.1 million years ago). This has been demonstrated by an international research study, with Spanish participation, which has discovered the first green frog fossil in Murcia. ... > full story
Three square meals a day paired with lean protein help people feel full during weight loss (April 1, 2011) -- Eating fewer, regular-sized meals with higher amounts of lean protein can make one feel more full than eating smaller, more frequent meals, according to new research. ... > full story
Some populations of Fraser River salmon more likely to survive climate change (April 1, 2011) -- Populations of Fraser River sockeye salmon are so fine-tuned to their environment that any further environmental changes caused by climate change could lead to the disappearance of some populations, while others may be less affected, says a new study. ... > full story
Cat allergy vaccine safe and effective, study suggests (April 1, 2011) -- Mark Larché and his research team have developed a cat allergy vaccine which is effective and safe with almost no side effects. ... > full story
Probiotic bacteria could help treat Crohn's disease (April 1, 2011) -- New research suggests that infection with a probiotic strain of E. coli bacteria could help treat an reduce the negative effects of another E. coli infection that may be associated with Crohn's disease. ... > full story
Salt-seeking spacecraft arrives at launch site; NASA instrument will measure ocean surface salinity (April 1, 2011) -- An international spacecraft that will take NASA's first space-based measurements of ocean surface salinity has arrived at its launch site at Vandenberg Air Force Base in California. The Aquarius/SAC-D mission will provide scientists with a key missing variable in satellite observations of Earth that links ocean circulation, the global balance of freshwater and climate. ... > full story
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