Scientists Now Know How Polar Bears' Fur Repels Snow and Ice

There's something about polar bears that's always puzzled the people who study them. How do they seem to repel snow? The animals spend their lives in cold climates, sometimes rolling around in snow, but walking away without any of it clinging to their fur. After researching, scientists found that a polar bear's hair is coated in a natural grease containing cholesterol and fatty acids, which repels ice and snow from sticking to them. Inside Edition Digital’s Mara Montalbano has more.