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How can Polar Bears stand Cold Water?

Despite arctic cold, the polar bear can swim in freezing water or walk about wringing wet, and still stay warm. The polar bears secret...

HomeTell Me Why8/11/2009 Tell - A - Friend


How can Polar Bears stand Cold Water Despite arctic cold, the polar bear can swim in freezing water or walk about wringing wet, and still stay warm. The polar bear's secret is a layer of fine, fluffy fur growing beneath the outer coat that traps insulating air around the bear's body. Its woolly undercoat is so dense that the bear's skin very rarely gets wet at all. In addition, a thick layer of fat beneath the bear's skin keeps its body heat from being lost to the cold weather. Even the soles of the polar bear's feet are covered with fur, both for warmth and to enable it to walk on ice without slipping.

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