How Stimulating!

Electric shocks to the muscles of the face cause painful, hilarious contortions

Daito Manabe sticks electrodes on his face and films the results. Last month we found out why -- now here's a look at how it works.

John Pavlus and Christopher Mims, also known as Small Mammal, are here again with the latest episode of* The Science of YouTube, the Popular Science *video series that humanely anesthetizes YouTube videos, deftly dissects them, and labels their exposed organs for all to enjoy.