Stuff You Should Know

Icebergs: floating chunks of ice. True, but whoa there. Scientists are learning that there's a lot more to icebergs. Appropriately enough, we've only come to understand the tip of the iceberg and recent research shows there's plenty more to uncover. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Rubik's Cubes. Ronald Reagan. Jerry Falwell. Just Say No. One of these things was awesome. Take a guess and hop on board the 80s train.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Did you know there are airline codes for pilots and flight attendants? And some of them have to do with dead bodies on board? Learn all about it today! Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Punk rock really needs about 10 episodes to do it justice, but we'll try and tackle anyway. Learn all about this movement right now.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Sleep behaviors are pretty fascinating. Some people snore, some grind their teeth -- and some take a little stroll, or perhaps a drive. In this classic episode, Josh and Chuck investigate how sleepwalking, or somnambulism, works. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Ventriloquism – where a skilled performer “throws” their voice, making it seem like a dummy on their knee is talking – has taken a long, circuitous road from early prophets, to witches, then finally to the stage. Get to the bottom of this uncanny trick. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Perhaps the most expensive liquid on the planet is the blue blood that comes from horseshoe crabs. Researchers realized that horseshoe crab blood could indicate the presence of pathogens and the massive, ongoing horseshoe crab harvest began.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The nuclear waste we produce will be dangerous for a very long time. We’ve figured out how to safely store it in the earth until it’s no longer a biohazard. Now we just have to figure out how to warn humans 10,000 years in the future to stay away from it. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There's a secret war going on around us, and it's happening on a daily basis. The Air Force has a unit specifically designed to carry out and defend against cyberwar. Go deep into this alarming type of war in this classic episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Josh and Chuck have tackled a lot of drugs on the show, but peyote has loomed like a bad Jim Morrison poem. Learn all about this plant today.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.