Stuff You Should Know

In this episode, Josh and Chuck discuss the controversial "ghost prisons," covert prisons created by the CIA after September 11th, 2001 to secretly detain and interrogate terrorist suspects in various locations around the world, including the U.S. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The Samurai were legendary Japanese swordsmen and warriors, known for their loyalty and adherence to a strict code of honor. Josh and Chuck tackle the Samurai in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The Innocence Project is an American non-profit organization whose mission is to exonerate wrongly convicted individuals and reform the legal system. Josh, Chuck and a special "guest" explain how the organization works -- and why it's necessary. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Epigenetics is a fascinating field of genetics that studies how the epigenome and environmental, nutritional and social factors affect gene expression. Josh and Chuck explain how epigenetics works in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Recently, a massive sinkhole opened up in Guatemala City, swallowing a three-story building in the process. In this episode, Josh and Chuck explore sinkholes and the forces that cause them, natural and otherwise. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Who first decided that it would be a great idea to shoot flame at other people from a distance? Josh and Chuck talk about the (very) early origins, history and technology of the flamethrower in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The modern world runs on fossil fuel, and offshore oil drilling powers a large part of the global economy. But what do we do when disaster strikes? Join Josh and Chuck as they take a look at the techniques used to clean up oil spills in this podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this episode, Josh and Chuck discuss reservoir-induced seismicity and the conditions under which human activities and projects like dams can trigger earthquakes. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Serial killers are notorious for their grisly crimes and disturbing behavior, but what makes a serial killer a serial killer? Josh and Chuck discuss the history, psychology and methodology of serial killing and serial killers in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Josh and Chuck talk more about their experiences in Guatemala and the amazing work that the non-profit group Cooperative for Education is doing there -- and how you can help! -- in part two of their Guatemala series. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Josh and Chuck share the story of their recent eye-opening trip to Guatemala, which was sponsored by a nonprofit organization called Cooperative for Education, in this very special episode of Stuff You Should Know. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Counterfeiting currency successfully takes serious skills, and some consider counterfeiting an art. Josh and Chuck recount the stories of five artful counterfeiters and their successful careers in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Twin siblings are common enough that most people know a pair or two, but why does twinning occur? Josh and Chuckers explain where twins (and babies) come from, discuss different types of twins and debunk some "twin myths" in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In general, stealing valuable items tends to be difficult and dangerous, but stealing works of art can be surprisingly easy. In this episode, Josh and Chuck cite recent art heists as they discuss why stealing art is relatively easy. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Most people are familiar with the plastic, interconnecting bricks called LEGO bricks, but what's their story? In this episode, Josh and Chuck discuss the history, popularity and trajectory of LEGOS -- and throw out some serious stats along the way. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

As far as sports go, cliff diving doesn't require much equipment. It does, however, require a certain amount of chutzpah, a dash of derring-do, and a deep body of water to land in. Tune in and learn more about cliff diving in this podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

When you hear the word 'genius,' names like Einstein and Mozart probably spring to mind. Defining what makes them geniuses, however, is much more complicated. Josh and Chuck discuss the many theories about genius in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

People with a condition known as mirror-touch synesthesia literally feel the pain of others -- but why? Josh and Chuck trace the cause of this condition to one culprit: the mirror neuron. Tune in to learn more about mirror neurons and neuroscience. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There are less than a hundred documented cases of people who cannot feel pain and suffer from a condition called congenital insensitivity to pain. Josh and Chuck discuss the dangers and symptoms of CIP and related disorders in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this episode, Josh and Chuck discuss the most famous fortified structure in the world -- the castle. Tune in to learn all about castles, from murder holes to modern fortresses. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.