The BP oil spill in the Gulf isn’t the only major water pollution problem. There’s one that’s went on for 30 years: That’s how long two General Electric facilities released about 1.3 million pounds of polychlorinated biphenyls (PCBs) into New York’s Hudson River, devastating and contaminating fish populations. Now, 50 years later, one type of fish–the Atlantic tomcod–has not only survived but appears to be THRIVING in the hostile Hudson environment, thanks to changes in its genes.
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