Stuff You Should Know

Medical science has a long and storied history of trying out cures and procedures that later strike us as wacky. And they're still at it today! Learn about bizarre treatments, from opium for children to tobacco smoke enemas in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Despite tons of people using cotton swabs each day to clean the earwax from their ears, cerumen (as earwax is clinically known) is actually quite beneficial to the health of your ears - and even kind of ingenious as your body's defense goes. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The use of general anesthesia is less than 200 years old. Before doctors were able to cause unconsciousness in patients, surgery was brutal for all involved. But despite this advancement in medicine, science still has no idea how it works. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Legend has it that tea was discovered by a curious Chinese emperor after leaves blew into his boiled water. Now tea is the second only to water in popularity worldwide. And despite the varieties of tea, they all come from a single species of plant. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Fleas are the bane of the existence of pet owners. From their eggs to their lifespan to their feeding habits, fleas are practically designed to be a nuisance. They are parasites, after all. Get down on flea level with Josh and Chuck in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Even as far back as the Roman invaders, people have had absolutely no idea just what the massive monument complex in England known as Stonehenge was built for. Join Josh and Chuck as they try to get to the bottom of this Neolithic mystery. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Even though almost half of Americans believe in it, ESP usually is treated as a load of bull by skeptics. But some respected researchers have dared to apply the scientific method to investigate ESP and a few have found some surprising results. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

An estimated 50,000 films were made worldwide in 2009 alone. Many are surely clunkers, but in this episode Chuck and Josh talk about the ones that emerged throughout cinema history to change the course of all movies that followed. Get your popcorn. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

For at least the last 200,000 years, between 10-15% of the human population are left-handed and this fact has utterly left science baffled. In searching to explain handedness, all sorts of contradictory evidence has emerged, creating a fascinating mystery. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Women consistently rate scent as the most important factor in a man's attractiveness and men have been manipulating that for centuries with scents of all sorts. Learn about the fascinating history -- and, well, art -- of making perfumes in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Off Nova Scotia, the tiny spit of land called Oak Island has been host to waves of treasure hunters for more than 200 years. Some of them lost their lives in the search for a treasure reputedly buried in a deep pit. But is anything really there? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What is folklore? Turns out it's just about anything you can think of that's shared by more than two people. Art, literature, stories, dance, music, traditions, even those family heirlooms qualify. Turns out folklore is pretty neat. Learn all about it in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Feng Shui is an Asian concept that strives to unlock your chi by how your home or office is arranged. Or at least that's the simplified "Western" version. It's a little more complicated than that in reality. We'll unlock your chi by explaining how feng shui works in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

We all scream for ice cream, sure, but did you know we're all technically screaming about a colloidal foam? Prepare for deep cravings that will surely emerge as you learn the history of ice cream, how to make it yourself and lots more. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Rainbows seem to defy nature, but they're really pretty simple when it comes down to it. Turns out it's just light reacting to water droplets in the air. But they sure do look cool. Learn all about how rainbows are formed in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

If you're an American who had a childhood, you probably have some nostalgia for Hot Wheels. Get your engines revved for this trip down memory lane as we discuss these fun and iconic toys. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Poison ivy, oak and sumac are all variations of the same plant and they all can make you itch... if you're susceptible that is. In this episode, you'll learn just about all there is to know about this itch-causing plant, including how to best avoid it. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Nostradamus delighted us all in grade school, but it turns out the real guy wasn't quite as prescient as we were led to believe. In truth, he wrote a lot of purposefully confusing riddles that people have twisted into meaning exactly what they want them to mean. Learn all about Nostradamus in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

1963 was a huge year of conflict and progress for the American Civil Rights Movement and the March On Washington was the high water mark of that eventful year. Join Josh and Chuck as they get into the story behind the story we learned in school. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There is a lot - A LOT - to juggling and Chuck and Josh go over the lion's share of it. Delve into the deep history, physics, how-tos and different types of juggling in this surprisingly sweeping look at a putatively innocuous pastime. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.