don0303 Uncategorized November 14, 2018 1 Minute tilthat: TIL a polar bear’s outer layer of fur isn’t white, each hair is actually a hollow and completely transparent tube. The fur only appears white because of the reflection of the sun and unlike most arctic mammals, they do not shed their coat in the summer in order to maintain camouflage. via reddit.com Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related Published by don0303 View all posts by don0303 Published November 14, 2018