Science Friday video on pruney fingers.
Alex Dainis of BiteScized has a great explanation for pruney fingers.
Do you prefer a different language? Watch this video that explains the phenomenon all in French!
The journal article on this topic has been given free access by the publisher.
Still want to know more? Check out a list of links compiled by Mark Changizi.
How many other smart mechanisms outside the brain might there be, and that ultimately contribute to our intelligence?