Getting a Handle on Why Fingers Wrinkle
Why do your fingers get pruney after a long water bath? Only a handful of researchers (ever) have looked into the finger-wrinkling experience. Reporting in the journal Biology Letters, researchers make the case for finger wrinkles as treads—wet wrinkled fingers seem to grip better than wet smooth ones.
Flora Lichtman is host of the podcast Every Little Thing. She’s a former Science Friday multimedia producer.