When we think of polar bears, one image comes to mind almost instantly. A large, powerful animal wrapped in thick white fur, ...

Polar bears are synonymous with the whiteness of their fur. However, their fur is not actually white. It's transparent and covers black skin. Why, then, do they not look like black bears? The polar ...

Polar bears have a hidden-in-a-plain-sight superpower that anyone who has watched a wildlife documentary could have spotted: ice doesn’t stick to their fur. This has long been known to Indigenous ...

In fact, polar bears do not actually have white fur. No, we aren’t kidding. These fluffy mammals, which survive in the icy ...

A polar bear near Kaktovik, Alaska. New research reveals how polar bears keep ice off their fur. Alan Wilson via Wikimedia Commons under CC BY-SA 3.0 Polar bears don’t have to worry about skipping a ...

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 ...

In 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 ...

Polar bears on ice in Northern Canada. 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 ...