Getting a Grip on Finger Wrinkles

Why do your fingers get pruney after a swim? Only a handful of researchers, including Einar Wilder-Smith, Mark Changizi, and Tom Smulders, have looked into the phenomenon. Publishing in Biology Letters, Smulders lends a hand to the hypothesis, set forth by Changizi and colleagues, that finger wrinkles improve our grip of wet objects.

Meet the Producer

About Flora Lichtman

Flora Lichtman was the host of the podcast Every Little Thing. She’s a former Science Friday multimedia producer.