The researchers performed a detailed chemical analysis of polar bear sebum, identifying cholesterol ... bears have evolved a distinct chemical makeup in their sebum that contributes to their ...

That's because polar bear fur is transparent and hollow.When light strikes the outer fur some of it is absorbed while the rest is scattered away. The result? The fur can appear as different colors ...

The great white polar bear is the youngest and largest of the world's bear species — a mighty hunter and fierce defender of its young that's among the world's most vulnerable animals. Two-thirds of ...

A study analyzed the chemical makeup of their hair ... that sebum plays a key role in reducing ice adhesion. Washed polar bear hair lost this effect, unlike its natural greasy state, which ...