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