Stuff You Should Know

Ever since the Egyptians, humans have been evolving toward haunted house attractions. The level of sophistication in the scares and gore effects continues to rise over time, but the purpose remains the same: to scare the pants off you. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The strange disease of fatal familial insomnia was first recorded in the 18th century. Its victims lose their ability to sleep, slip into coma and die. The more we understand about FFI, the more mysterious it becomes. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The wild kingdom is filled with examples of animals that can camouflage themselves into their environment, but the means and the methods are also wildly varied. Learn about the ins and outs of blending in through this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Scientists believe that 99% of the estimated 50 billion species that have ever lived on Earth have disappeared through extinction. This is a natural process typically, but it can also be cataclysmic and it's becoming clear we are amid a massive one. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In 1963, 15 men got together in England to pull off one of the most daring heists in history. The Great Train Robbery was the crime of the century, capturing the public's attention and leaving them torn on who to root for - the cops or the robbers. Learn all about England's greatest heist in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Viruses are big jerks that invade regular cells and hold them hostage, making you sick while they're doing it. Learn everything you ever needed to know about viruses, including how the common cold works. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Back in the 1920s, skywriting was invented to communicate with troops, but it quickly found its footing as a popular way for companies to advertise. Learn all about the aerial acrobatics and mental skill it takes to write mile-high letters backwards. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Karate, meaning "open" and "hand", was developed in Okinawa before being exported to Japan and then the rest of the world. It is one of the most widely practiced martial arts and one of the most difficult to master. Learn about it in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Almost three percent of Americans suffer from a debilitating disorder that causes them to suffer intense fear seemingly without reason and science hasn't yet figured out what causes it. Join Josh and Chuck as they get to the bottom of panic attacks. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Rogue waves come out of nowhere and tower as much as 100 feet over hapless ships they encounter, breaking across the boat and frequently breaking the boat and its inhabitants. Investigate the mystery of rouge waves in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.