When Polar Bears Said Goodbye to Brown THE NEW YORK TIMES After they diverged from brown bears, polar bears quickly evolved to survive in their frigid environment, researchers say. May 20, 2014 at 4:00AM http://nyti.ms/1ggYSTV http://nyti.ms/1sMmrnR The New York Times Science Polar Bears, Bears

By THE NEW YORK TIMES via NYT / Eethg. Corps. Inc. / Terrence Herschel G. Science http://nyti.ms/1ggYSTV When Polar Bears Said Goodbye to Brown May 20, 2014 at 4:00AM http://nyti.ms/1sMmrnR The New York Times