Archive: 10/30/2008

Magnetic fields record the early histories of planets

(PhysOrg.com) -- Meteorites that are among the oldest rocks ever found have provided new clues about the conditions that existed at the beginning of the solar system, solving a longstanding mystery and overturning ...

Oct 30, 2008
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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 ...

Oct 30, 2008
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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, ...

Oct 30, 2008
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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 ...

Oct 30, 2008
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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 ...

Oct 30, 2008
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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.

Oct 30, 2008
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