Clear Polar Bears
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Fact of the Day
From afar polar bears are white, but only as white as snow and sunlight. This is because the fur is actually made up of clear, hollow tubes. These tubes have air on the inside that reflects the light from the sun. The polar bear itself has black skin, which is needed for insulation. A polar bear is kept so warm by the skin that it can fatally overheat if it ran for even a little bit.
Like ducks, this fur on the polar bear keeps him dry when he goes swimming. It groups together to create a wetsuit for the frigid waters.
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