Polar bears' white fur is a trick of light
Polar bears' fur appears white due to light scattering through transparent hairs, not pigment, providing essential camouflage and insulation in the harsh Arctic.
Polar bears' fur isn't actually white; it's translucent! Each hollow hair scatters light like tiny fiber optics, making the fur appear brilliantly white, much like snow or clouds. This clever optical illusion provides perfect camouflage for hunting seals on icy landscapes.
There's more to this story — open the app to keep reading.
Continue Reading in App
2 more paragraphs · plus a 3-question quiz