The bear moves like a silhouette across the landscape, its black fur blending in with the dark rocks and dusky woods. A white-coated black bear gorges on salmon roe to pack on fat for the winter.

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 ...

Polar bears' greasy fur oil helps them repel ... wonder what was so special about polar bear grease, said Carolan, so they brought in experts in oil and fat and got new samples of polar bear ...

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 ...

Kieran McIver / Polar Bears International) Polar bears' greasy fur oil helps ... so special about polar bear grease, said Carolan, so they brought in experts in oil and fat and got new samples ...

Polar hair hair oil has natural non-stick qualities that help these animals from getting stuck on ice, says PhD candidate Julian Carolan. (© Kieran McIver / Polar Bears International) Polar bears' ...