Archive: 4/12/2006

Why do males and females of some species look so different?

Why and how do males and females of the same species often look so different? Armin Mocsek (Indiana University) has shown that in a certain group of insects, sex-differences in appearance are not the product of growing structures ...

dateDec 04, 2006 in
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New biosensors from the blood of llamas

An unusual protein found in the blood of llamas has enabled scientists to develop a quick, simple method for making antibodies that could be used in a new generation of biosensors. The biosensors could detect deliberate environmental ...

dateDec 04, 2006 in
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Unprecedented efficiency in producing hydrogen from water

Scientists are reporting a major advance in technology for water photooxidation �using sunlight to produce clean-burning hydrogen fuel from ordinary water. Michael Gratzel and colleagues in Switzerland note that nature ...

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Vanishing beetle horns have surprise function

The function of horned beetles' wild protrusions has been a matter of some consternation for biologists. Digging seemed plausible; combat and mate selection, more likely. Even Charles Darwin once weighed in on the matter, ...

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Ray Charles really did have that swing

Ray Charles was really good at snapping, said musical acoustician Kenneth Lindsay of Southern Oregon University in Ashland. Charles's snaps that open "It Don't Mean a Thing (If It Ain't Got That Swing)" are timed so well ...

dateDec 04, 2006 in General Physics
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