National Geographic: Bottom-feeding fish in the Hudson River have developed a gene that renders them immune to the toxic effects of PCBs, researchers say.
A genetic variant allows the fish to live in waters notoriously polluted by the now-banned industrial chemicals, and distinguishes the fish--Atlantic tomcod (Microgadus tomcod)--as one of the world’s fastest evolving populations.
"This is very, very rapid evolutionary change," said Isaac Wirgin, an environmental toxicologist at New York University’s......
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Hudson River Fish Evolve Toxic PCB Immunity
Posted by Washington Post: Juliet Eilperin on February 18th, 2011
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