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 ...

The sebum–or hair grease–on their fur makes it very difficult for ice to stick. The findings are detailed in a study published January 29 in the journal Science Advances, and could help chemists and ...

"They're able to digest that fat with a 96 to 97 per cent efficiency," said Ian Stirling, formerly a scientific advisor at ...

If you could cuddle a friendly polar bear, how do you think it would ... We already know that their thick fat layer and dense fur keep them warm, but we didn't know until now that greasy hair ...