Stuff You Should Know

The concept of passports - that people should enjoy protected freedom of movement - is an ancient one. It wasn't until WWI that they became universal. Learn all about this overlooked, important document. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

You've heard lots of complaints about vocal fry, mostly from older white men. But it's not exclusive to the Kardashians. Learn all about vocal fry, upspeak and other quirky speech trends in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There is a way to not only sustainably get rid our household waste, but also produce enough energy from it to power the process and even create electricity for the grid. The future is here! Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Wine fraud may be a case of rich con artists tricking wealthy people into parting with money, but it's still a crime. Learn all about this weird, widespread practice in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Darwin asserted that seemingly useless organs and behaviors are left over from our evolutionary history. But as more are found to have a function, the idea has become a flashpoint for the battle between science and religion. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The Philadelphia Experiment is a bad movie from the 1980s, and also the conspiracy theory that refuses to die, despite virtually zero evidence of its occurrence. Learn all about this strange non-event in today's show. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Lobbying is an entrenched part of American politics and one that many people think is breaking government. But petitioning the government is protected in the Constitution. How can this system be fixed? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

PEZ began in Vienna as a mint meant to help people quit smoking. But once American kids got ahold of it, the candy took off and a symbol of childhood - and healthy secondary market among collectors - was born. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In part two of the SYSK puberty saga, Josh and Chuck venture into new territory as they explore all of the amazing changes girls face when they come of age. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Green energy is good for all, and it doesn't get much greener than using the Earth's own heat to warm your home or office. Learn all about geothermal energy in today's new episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.