Have you ever wondered why a polar bear’s fur doesn’t freeze? CNN’s Randi Kaye examines new research highlighting the ...

Now, researchers have discovered the bears have another unexpected Arctic adaptation: greasy fur. It’s a trait that, ...

Nano-physicist Bodil Holst's interest in polar bear fur began while she was watching a German quiz show. "I learned that polar bears are invisible in infrared cameras, meaning their fur has the ...