Waterbeds came and went pretty quickly in the United States, but despite their marketing as sex beds, they were actually invented to deliver a great night's sleep. Learn all about these super 70's beds in this classic episode.

Selects: How Narcolepsy Works
52:41

Rope, yeah ROPE!
43:31

Short Stuff: Did a shipwreck double the size of the United States?
11:46