Stuff You Should Know: Don't Be Dumb: If I Pee on a Jellyfish Sting Will It Really Help?

You know when you're at the beach and your friend gets stung by a jellyfish and they shout "Pee on the sting! Pee on the sting!" in agony and you do pee on the sting? Does that really work? Find out by watching this video, why don't you.