That's because polar bear fur is transparent and hollow.When light strikes the outer fur some of it is absorbed while the rest is scattered away. The result? The fur can appear as different colors ...
Male polar bears can weigh up to 700 kilograms (1,540 pounds) and reach lengths of over three metres (10 feet). This makes them the largest land predators in the world, outmatching even grizzly bears.
That's because polar bear fur is transparent and hollow.When light strikes the outer fur some of it is absorbed while the rest is scattered away. The result? The fur can appear as different colors ...
Polar bear fur is not actually white, but rather clear and hollow, the better to insulate them in icy waters and help them stay afloat. When exposed to the sun, these tubular hairs yellow slightly.
A polar bear! Its thick fur helps it to hide and keep warm in the freezing cold. Plus an Arctic fox. It can hear its prey, deep under the snow. And a bird! The snowy owl. They nest on the ground ...
ALBAWABA - Researchers from the Chinese Academy of Sciences have created strong polymer fibers called "EAF," inspired by the structure of polar bear fur. These fibers can be used to weave ...