Sure, you've probably laid in one at the store or a funeral home, but how much do you know about receptacles used to bury the dead? We'll bet you'll learn plenty - like the difference between a coffin and a casket - in this classic episode.

Selects: Birthmarks: Probably Not the Mark of the Devil
49:54

The Stuff You Should Know Doin’ Science Playlist: How Chaos Theory Changed the Universe
55:00

The Stuff You Should Know Doin’ Science Playlist: How Global Warming Works
1:00:10