At that time most of modern-day British Columbia was still icebound, and a white coat may have offered camouflage. But the glacial bear theory raised a question: Why didn't the white fur trait die ...

thanks to oils from their prey that stain the fur. Perhaps the most surprising thing about polar bears? Underneath all that hair, polar bear skin is actually black. The black skin readily absorbs ...

When they emerge from the water, their fur temperature drops to ... which he said remain dry down by their skin when they emerge from water, grizzly bears do not. “They're like a wet dog,” he added.