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 is host of The Adaptors podcast and former SciFri multimedia producer in New York, New York.