Polar bear fur isn't really white -- it's transparent and covers up black skin. Here's why they look white when you see these ...

Polar bears' fur is not white. What makes their coats appear white is a result of science, allowing them to blend into the ...

This combination makes polar bear fur highly resistant to freezing, Holst says. Lab tests showed that it performed about as well as fluorinated ski waxes, which have been banned in Norway for ...

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.

In the remote, icy expanse of the Arctic, the survival of a species begins with a remarkable act of resilience and devotion.

Life in the Arctic is harsh and unforgiving, but the polar bear has perfected survival in one of the most extreme ...

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 ...

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 same ...

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.

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 ...