Archive: 10/30/2008

Engineers identify conditions that initiate erosion

Wind, water, and waves erode billions of tons of soil from the earth's surface. As a result, many rivers are plagued with excessive amounts of suspended sediment. According to the U.S. Environmental Protection Agency, such ...

dateOct 30, 2008 in Engineering
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Biologists discover motor protein that rewinds DNA

Two biologists at the University of California, San Diego have discovered the first of a new class of cellular motor proteins that "rewind" sections of the double-stranded DNA molecule that become unwound, ...

dateOct 30, 2008 in
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Without glial cells, animals lose their senses

(PhysOrg.com) -- Sensory neurons have always put on a good show. But now, it turns out, they'll be sharing the credit. In groundbreaking research to appear in the October 31 issue of Science, Rockefeller Univer ...

dateOct 30, 2008 in
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Scientists identify machinery that helps make memories

A major puzzle for neurobiologists is how the brain can modify one microscopic connection, or synapse, at a time in a brain cell and not affect the thousands of other connections nearby. Plasticity, the ability of the brain ...

dateOct 30, 2008 in
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World's rarest big cat gets a check-up

The world's rarest big cat is alive and well. At least one of them, that is, according to researchers from the Wildlife Conservation Society (WCS) who captured and released a female Far Eastern leopard in Russia last week.

dateOct 30, 2008 in
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