Polar bears don’t have to worry about skipping a wash day. The sebum, or natural oil, on the mammals’ fur helps them survive ...

“Unwashed, greasy hair made it much harder for ice to stick. In contrast, when the polar bear hair was washed and the grease largely removed it performed similarly to human hair, to which ice sticks ...

Julian Carolan says researchers are looking at polar bear grease because it repels ice. That property could help replace the ...

Polar bears seem perfectly adapted to their frigid ... water and ice. “If we do it in the right way, we have a chance of making them environmentally friendly,” said Bodil Holst, a researcher ...