Science: Furry Funnels

Are polar bears really white?

Polar bears are white because that is nature's way of camouflaging them in the snowy Arctic. Right? Not necessarily, says a scientist at the U.S. Army Research and Development Command in Natick, Mass. After studying the furry beasts, Physical Chemist Malcolm Henry finds that polar-bear hairs are really transparent and only appear to be white. What is more, he says, man can probably benefit by copying this peculiar characteristic.

Henry became bullish on polar bears quite accidentally. After reading in National Geographic about the work of the University of Oslo's Nils Oritsland, Henry was surprised to learn that...

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