The black skin readily absorbs sunlight to keep the bear warm. Polar bears aren't just the ambassadors of the North Pole. They're masters at manipulating color to survive. More from News Polar ...

The black skin readily absorbs sunlight to keep the bear warm. Polar bears aren't just the ambassadors of the North Pole. They're masters at manipulating color to survive.

The polar bear is a carnivorous bear whose native range lies largely within the Arctic Circle, encompassing the Arctic Ocean, its surrounding seas and surrounding landmasses. A boar (adult male ...