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New York Times: Most people think of evolution occurring gradually over thousands of years, but apparently no one told the Atlantic tomcod.
In just 50 years or so, the Hudson River fish has evolved to become resistant to toxic PCBs that polluted the river, researchers reported Thursday. Their secret is a gene variant.
"You're talking about very rapid evolution," said Isaac Wirgin, an associate professor of environmental medicine at New York University School of Medicine.
The speed of evolution depends on......
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United States: Hudson River Fish Resist PCBs Through Gene Variant
Posted by Washington Post: Juliet Eilperin on February 17th, 2011
Posted in Water Conservation