Mount St. Helen's is a lovely sight to behold, but was a pretty scary thing to be around in the Spring of 1980. Listen in to the harrowing story 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