“Unwashed, greasy hair made it much harder for ice to stick. In contrast, when the polar bear hair was washed and the grease ...

Scientists have quantified how much climate change has driven the population decline of polar bears living in Canada's Hudson ...

Polar bear fur resists ice because of a natural greasy coating called sebum. This helps them move quietly while hunting.

University of Toronto Scarborough researchers have directly linked population decline in polar bears living in Western Hudson Bay to shrinking sea ice caused by climate change.