Polar bears have a thick layer of fat below two layers of fur that help trap their internal body heat. According to Polar Bears International, these layers keep them so warm that adult males can ...

Nano-physicist Bodil Holst's interest in polar bear fur began while she was watching a German quiz show. “I learned that polar bears are invisible in infrared cameras, meaning their fur has the same ...

Designed by 3M, the ‘Burr on Fur’ polar bear tracker sticks to the animal’s fur, and could be a breakthrough for wildlife research. In order to protect animals like polar bears from certain threats, ...