The EPA banned PCBs 40 years ago, but they're not going anywhere.
Yes, scientists taught killer whales to speak English. Sort of.
Dung holds clues about noise pollution and lack of food.
Mother-daughter conflict could help explain why women live beyond child-bearing years
Thanks a lot, 2016
Goes into effect in 2017
At 35 years old, his health is failing
End of the splash zone
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