Polar bears need all the help they can get to survive their frosty Arctic environment.One of their biggest survival secrets appears to be greasy hair.The sebum–or hair grease–on their fur ...

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 ...

Polar bear fur also lacked a compound called squalene, the researchers found. Squalene is abundant in other marine mammals and has properties that make ice stick to it easily.

Polar bears might be greasier than widely believed.. The bears’ greasy fur is the secret to the popular species’ survival in one of Earth’s most punishing climates. The grease, also known as ...

I n the Arctic, polar bears are equally at home swimming in the frigid waters or galloping across fields of ice and snow. When they emerge from the water, their fur temperature drops to nearly that of ...

And it’s partly what the fur has — and what it lacks. Polar bear fur contains a cocktail of greasy compounds that make it exceptionally resistant to freezing, Holst and her colleagues reported last ...

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 ...

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 ...

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 ...

Polar bears spend their days jumping from ice into water. So if they get all wet, why doesn't their fur freeze? Well, a recent study in the journal Science Advances investigated that very question ...