Polar bear fur is a marvel. It’s double-insulated to help keep the bears warm in the arctic conditions, and the hair itself is hollow. While polar bears have black skin, their fur is actually ...

Nano-physicist Bodil Holst's interest in polar bear fur began while she was watching a German quiz show. "I learned that ...

The bears’ ability to slide on their abdomens with minimal friction between fur and ice helps prevent the seals from taking notice. Inuit people made sandals from polar bear pelts to move in ...

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 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 ...