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 ...

An international team of scientists has discovered the anti-icing secret of polar bear fur – something that allows one of the planet’s most iconic animals to survive and thrive in one of its most ...

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 ...