Stuff You Should Know

Hanukkah is an eight-day Jewish holiday, but what's it all about? And why do some people think of it as "Jewish Christmas"? In this episode, Josh and Chuck share Stuff You Should Know about Hanukkah. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Demolition and construction creates a lot of waste, so renovating your house is generally a "greener" option. In this episode, Josh and Chuck explore some green renovation and construction options. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The rules of war are agreed-upon rules that are intended to govern international wars and conflicts. Who developed these rules? And do countries really abide by them? Josh and Chuck take a detailed look at how the rules of war work in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Circumcision is a common practice in which the foreskin of a male's penis is removed, typically as a baby. Josh and Chuck take a look at the origins, practices, and arguments for and against circumcision in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Dreadlocks are matted coils of hair that form a very distinctive (and often misunderstood) hairstyle. So what's the deal with dreads? In this episode, Josh and Chuck examine the long history of dreadlocks and walk you through the process of dreading hair. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

A majority of human cultures practice kissing in one form or another. But why do we kiss? Is the behavior instinctive or learned? In this episode, amateur philematologists Josh and Chuck take a look at the biology, sociology and pyschology of kissing. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Over a billion people do not have access to clean water, and many die from water-born diseases. With 6,000 people dying each day, this situation is increasingly urgent. Could Lifestraw filters resolve this crisis? Tune in and find out. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

It's no secret that human beings have an obsession with innovation -- but has our species already found every good idea? As Josh and Chuck break down the continuing search for the next great idea, they touch on everything from hand tools to cancer cures. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

These days, alcoholics and other people suffering from addictions are often sent to rehabilitation centers to kick their habit. But how long has rehab been around, and how does it work? Listen in as Chuck and Josh present the fascinating process of rehab. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Prohibition was a 13-year period in American history when selling or producing alcohol was illegal. What led to this astonishing development? Why did it end? Josh and Chuck take a look at Prohibition's fascinating history in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Modern scientists have extensively researched addicts and the things they abuse, but we still don't understand everything about the nature of addiction. So how does it work? Tune in to learn more about addiction (and why you can't kick your SYSK habit). Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

When you think of animal migrations, you probably picture thousands of animals thundering across the savannah. But where are they going, and why? Josh and Chuck explain why and how animals migrate in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this spooky episode of Stuff You Should Know, Josh and Chuck get you ready for Halloween as they narrate H.P. Lovecraft's creepy tale "The Tomb." Tune in to learn more...if you dare! Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

All of us have experienced the feeling of jealousy at some point or another. But why do we get jealous? Are women really more jealous than men? Josh and Chuck get to the bottom of jealousy in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Hallucinogenic drugs are currently illegal, but they were once commonly used in psychological treatment. In this episode, Josh and Chuck discuss the rise and fall of psychedelics in treating mood disorders -- and why they're starting to gain favor again. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Traditionally, house swapping involves temporarily exchanging homes with a stranger for vacation purposes. Tune in to learn more about house swapping, from the traditional version to hospitality exchanges and couchsurfing, in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Sleep is a restorative state that's vital to human functioning -- or is it? In this episode, Josh and Chuck explore different ways in which science is trying to minimize or phase out sleep, from pills to genetic research. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In medieval times, knights were warriors with specialized skills, extensive training and their own code. In this episode, Josh and Chuck discuss the rise and fall of medieval knights and finish up with a look at the modern institution of knighthood. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Polygamy, the practice of having multiple spouses, is mostly illegal in the United States but very common in other parts of the world. In this episode, Josh and Chuck discuss polygamy and touch on a host of related topics, from Mormonism to monogamy. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

If you're tone deaf, you can't hear the difference between musical pitches and notes. And it's probably a hereditary trait, as Josh and Chuck explain in this pitch-perfect episode on tone deafness. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.