Alan Wilson via Wikimedia Commons under CC BY-SA 3.0 Polar bears don’t have to worry about skipping a wash day. The sebum, or natural oil, on the mammals’ fur helps them survive the harsh ...

White fur, blubbery skin, sharp claws. Polar bears seem perfectly adapted to their ... which are used to repel oil, heat, water and ice. “If we do it in the right way, we have a chance of ...

After collecting hair from six polar bears in the wild ... the feather structure rather than the preen oil coating. Our work shows that polar bear fur provides an alternative strategy to produce ...