Stuff You Should Know

In this episode, Josh and Chuck explore the history, cultural impact and feminist ire raised by the Barbie doll. The boys are joined by Gordon Javna, the founder of the Bathroom Readers' Institute and publisher of Uncle John's Bathroom Reader. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Since Winston Churchill predicted we'd grow meat in a lab by 1981, researchers have considered doing just that. And thanks to the current work of about 30 groups, we may be only years away from mass-produced artificial meat. But will anyone eat it? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The earliest depiction of a condom is found in a 15,000-year-old cave painting. Ever since humans realized sex led to children, we've been using condoms to prevent pregnancy. Join Josh and Chuck for this comprehensive tour of all things condom. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

A 2012 report showed that the U.S. may be energy-independent in just a few years, but not too long ago the specter of peak oil loomed large on the political and economic landscape. Join Chuck and Josh as they visit the consequences of running out of oil. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Out of obligation, Chuck and Josh mention Twilight, but it is the longstanding vampire lore that gets the most attention in this examination of how the bloodsucking undead evolved from baby-stealing demonesses to suave counts in our collective psyche. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Entrances to the underworld have been places of wonder for eons, and humans have ventured into caves to sleep, hunt, create art and explore. Thanks to the hobby of caving, that tradition continues today. Bonus: Chuck discusses his caving experience. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Ah, autumn - arguably the most beautiful time of the year, thanks to the vibrant colors trees put on display as they close up for the winter. Ever wonder why and how trees change color in the fall? Chuck and Josh have it down pat and explain it here. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Sure the fatcats get all the credit for donating millions, but did you know US households making $20,000 or less contribute the highest percentage of their income to charity? Learn more (not to mention a sexy look at the U.S. tax code) in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In 2009, a fertility clinic controversially offered parents the ability to customize their children. How will society take the idea of designing children? Do we have a moral obligation to design better people? Join Josh and Chuck for this heavy episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

You know how when you do a lot of crystal methamphetamine you get meth mouth, where your teeth decay? Of course you don't! So check out this in-depth look on the most widely-abused hard drug in the world. Even tweakers will learn something new. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.