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

Senior author Bodil Holst, a physicist at the University of Bergen in Norway, was inspired to investigate polar bear fur after watching a TV quiz program, she tells Michael Le Page at New Scientist.

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 ...

A polar bear's insulating fur shown under infrared heat imaging taken with a FLIR E75 24o (FLIR Systems OÜ, Estonia) Svalbard Archipelago, Norway.

“It’s something that I had never really thought deeply about: is there something unique about their fur?” Applying each group’s research strengths, the team demonstrated that the oils in polar bear ...

From the tiny, silly-looking sun bear to the iconic polar bear, these animals are specially ... They all have stocky, fur-covered bodies; short legs; and a round head with a long snout.

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 "Pizzly" bear — first spotted in 2006 in the Canadian Arctic — has the "white fur of a polar bear but the long claws, humped back, shallow face and brown patches of a grizzly," according ...

A polar bear! Its thick fur helps it to hide and keep warm in the freezing cold. Plus an Arctic fox. It can hear its prey, deep under the snow. And a bird! The snowy owl. They nest on the ground ...

SAM: I'm hungry, Granddad. We have been walking for ages and we didn't find anything to eat. GRANDDAD: It hasn't rained for a long, long time, Sam. Without water, plants can't grow. SAM: But my ...