Finally, an explanation for why our fingers and toes get all pruny when they're wet

Shriveled fingers and toes are something we're all familiar with, yet scientists have struggled to explain why it happens. A longstanding theory is that wrinkles are the result of water passing through the outer layer of the skin, causing it to swell. But as neuroscientist Mark Changizi pointed out a few years ago,… »1/09/13 10:40am