The myth goes like this… polar bears are white, but they have to keep warm in the winter. But white reflects light and heat, so how do they do it? By having fiber optic fur. “Fiber optics” are a type of “light pipe” that …
September 16, 2007
January 1, 1970
Polar Bears Have Black Skin « memoirs on a rainy day
The polar bear’s fur seems colourless and for many years, scientists worked on the theory that the individual hairs act as fiber optics bringing sunlight directly to the skin. This has recently been proven to be incorrect, and the hairs …