October 23rd, 2009 / Uncategorized / Comments Off
Reporting in Nature, researchers write that a rare type of neuron in the inner ear may process painfully loud sounds, such as the blast of a jackhammer. Study author Paul Fuchs discusses how his team solved a mystery that had stumped auditory scientists for nearly 50 years.
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October 23rd, 2009 / Uncategorized / Comments Off
Researchers tried various slogans to encourage travelers to lather up after using rest stop toilets, from the disgusting — "Soap it off or eat it later" — to the educational — "Water doesn't kill germs, soap does." Hygiene expert Val Curtis reports on the most effective messages.
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October 23rd, 2009 / Uncategorized / Comments Off
Forget asteroids — a new theory says algae were the key to the dinosaurs' extinction millions of years ago. Ecotoxicologist John Rodgers details the evidence for the theory and explains why some algae can be harmful in large quantities, even to present day animal populations.
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October 23rd, 2009 / Uncategorized / Comments Off
Sam Easterson has refined the art of the critter cam. He is the curator of the Museum of Animal Perspectives — an online repository of "remotely sensed wildlife imagery." All the footage comes from cameras implanted in the landscape or strapped to the backs of animals.
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October 23rd, 2009 / Uncategorized / Comments Off
Mining data from the Framingham Heart Study, scientists say they've been able to tease out the effects of natural selection on humans. Evolutionary biologist Stephen Stearns explains how evolutionary forces may produce shorter, rounder, more fertile women in the future.
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