A TRUE THING ABOUT THE LIVING WORLD
A polar bear's fur is not white - each hair is a hollow, see-through tube, and the skin underneath is black.
- POLAR BEARS INTERNATIONAL
For young helpers: A polar bear is not really white! Its hairs are see-through little straws that bounce light around, and its skin under the fur is black to catch the sun.
A fact like this, every single day. Open the app