Blogging on bureaucracy, organizations, USDA, agriculture programs, American history, the food movement, and other interests. Often contrarian, usually optimistic, sometimes didactic, occasionally funny, rarely wrong, always a nitpicker.
Wednesday, April 20, 2016
How White Polar Bears Stay Warm
We all know that white reflects the sun's rays and black absorbs it, right? So how do polar bears stay warm?
I don't guarantee the accuracy of this sentence from a Jstor daily on solar panel improvements:
Polar bears help stay warm using transparent
fur (which appears white at a distance) that reflects light onto the
bear’s heat-trapping black skin.