Power up.
Power up. Pixabay

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.