Special thanks to Jonah Mancino, who composed the intro/outro music for Half My Age.

This guy is doing God’s work (@MiserlyScoops)

You gotta do something (Mrs. Filholm’s brand of slacktivism)

Cool hand-washing video (Mark Rober, not Mars Rover)

How germs transfer (Glo Germ)

A shot into real life (Jimmy Fallon’s post-apocalypse show)

There’s nothing like this. (Polio, Flu of 1918)

Blame your brain (Misophonia)

LOU (Laughter Online University)

You’re a cashier! (Requisite Seinfeld pull)

Snapchat for the olds (Marco Polo)