New research finds that grease that coats polar bear fur contains a specialized mixture of chemicals that make it resistant ...

She also knew that polar bears jump into frigid water when they hunt ... But, Holst noticed, polar bear fur did not freeze after getting wet. "I was very puzzled," she says.

Why polar bear fur doesn't freeze Nano-physicist Bodil ... She also knew that polar bears jump into frigid water when they hunt, coming back onto land to eat their prey. Most mammalian hair ...