If you grew up in the 70s and 80s in America, you probably have the image of your tattered Guinness Book of Records. The book was ubiquitous then, but is still thriving today in despite the internet. See omnystudio.com/listener for privacy information.

Mudlarking is a uniquely British hobby, though you can dig through river mud anywhere there's a river. But the Thames has the good stuff. See omnystudio.com/listener for privacy information.

Unit 731 was a secret group within the Japanese Army in WWII that committed unspeakable atrocities against humans in the name of scientific research. Listen with caution. See omnystudio.com/listener for privacy information.

No one - no one - likes to vomit, but there are some people who would prefer to die rather than vomit, people who spend their days worrying they will vomit at any moment and become so obsessed they curtail their lives to prevent it from happening. Learn all about it with Josh and Chuck in this classic episode.See omnystudio.com/listener for privacy...

In the exciting conclusion of our two-part episode on Hoover, we come in at the Cold War and end on a strange note.See omnystudio.com/listener for privacy information.

By definition hobos are people who travel from town to town taking odd jobs as they go. But some towns are friendlier than others, and hobos developed a system of symbols they left one another to know what to expect from a town.See omnystudio.com/listener for privacy information.