Saturday, April 7, 2012 - 18:00 in Earth & Climate
U.S. Geological Survey scientists say some Alaska polar bears are losing their fur, but they're not sure why.
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- New study about Arctic sea-ice, greenhouse gases and polar bear habitatWed, 15 Dec 2010, 14:32:16 EST
- Ancestry of polar bears traced to IrelandThu, 7 Jul 2011, 12:37:59 EDT
- Grizzly bears move into polar bear habitat in Manitoba, CanadaTue, 23 Feb 2010, 13:09:55 EST
- For polar bears, it's survival of the fattestTue, 19 Mar 2013, 21:02:00 EDT