Stuff You Should Know

Whether using polished metal surfaces or clear glass, human beings have enjoyed admiring their reflections for centuries. In this episode, Josh and Chuck reflect on the types, mind-melting physics, superstitions and rather interesting history of mirrors. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

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Cleaning up crime scenes is a niche industry that's both lucrative and messy. This episode, Josh and Chuck take a look at how crime-scene clean-up works. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Established in 1998 as a way to determine college football rankings, the Bowl Championship Series (BCS) is a complex statistical system. In this episode, Josh and Chuck tackle the complex variables -- and math! -- behind the BCS rankings. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Cremation is a burial process practiced around the world, but how exactly does it work? Josh and Chuckers take a detailed look at cremation's history, practices and controversies in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There are lots of conspiracy theories about Freemasons, but how much do you really know about this secretive order? In this episode, Josh and Chuck take a comprehensive look at the origins, history, practices, beliefs and famous figures of Freemasonry. 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 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.

MARS stands for Magenn Air Rotor System, but a MARS turbine isn't your typical windmill. It's a blimp floating hundreds of feet in the air. Tune in as Josh and Chuck explain how this turbine works -- and whether it will become the future of wind power. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Breathalyzers work on a simple principle: Alcohol is absorbed into the lungs and present in breath. But the machines that actually measure this alcohol level are really, really complicated. Tune in and learn more in this podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Most people have a basic understanding of how prisons work, but it's often heavily influenced by fiction. What's it really like behind those bars? In this episode, Josh and Chuck reveal the practices, controversies and harsh realities of prison life. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

As many as one in five houses in Vancouver, British Columbia are used to grow marijuana. Join Josh and Chuck as they step inside indoor grow houses to see what's going on. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this episode, Josh and Chuck hit the open road as they explore the history, allure and decline of America's most iconic highway: Route 66. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this episode, Josh and Chuck tackle a mind-melting topic: quantum physics! They ponder subatomic particles and various quantum theories, focusing specifically on a thought experiment called quantum suicide. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

A presidential pardon is a unique, unchallengable power granted to the president of the United States by the Constitution. In this episode, Josh and Chuck discuss the origins, history and controversial use of the presidential pardon. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

It's no surprise that ticks are one of mankind's least favorite animals. After all, they subsist on blood and spread disease. But how much do we really know about ticks? Tune in to learn more about ticks -- and how to get rid of them -- in this podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Although they seem pretty mundane, saunas are surprisingly fascinating inventions. Josh and Chuck break out all sorts of sweaty, sauna-related trivia, from the Finnish affinity for saunas to sauna etiquette, in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Taste seems like a pretty simple sense, but scientists are still trying to figure out exactly how it works. Josh and Chuck explore the complexities of taste, from definitions and physiology to tongue maps and supertasters, in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

James Bond, the most infamous secret agent ever to grace the silver screen, originated in the pages of British author Ian Fleming's novels. Amateur agents Josh and Chuck uncover all sorts of Bond trivia in this action-packed episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

A large percentage of the world's population believes that you will be reborn after you die. So why does the concept of reincarnation seem so paranormal to Westerners? Join Chuck and Josh as they explore the ins and outs of birth, death and birth again. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Butterflies' wings are colored as a result of iridescence; this fascinating optical phenomenon is the result of light refracting off transparent surfaces. Josh and Chuck reveal how pigmentation, iridescence, light and butterfly wings work in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.