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 ...
The Weather Network on MSN2 个月
'Their fur isn't white': 5 facts about polar bears
A polar bear's fur isn't white. "It's sort of translucent," said Stirling. "It reflects light, so it gives the impression of ...
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.
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.
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 bears are well known for their snowy white coats, while Kodiak bears have shaggy brown fur. The Kodiak bear appears to have larger bones than the average polar bear, and polar bears have ...
A optical illusion challenged viewers to spot a hidden polar bear in a snowy landscape, testing observation skills with its ...
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 ...