Stuff You Should Know

One of American history's darker moments, the Stonewall Riots were also the event that galvanized the gay rights movement in the United States. Today there's a monument in NYC to memorialize this important time. Learn all about this often overlooked story in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, for decades, Scooby Doo has captivated children across the world. It's been translated to multiple languages and remains as popular as newer programs. But why? Join Chuck and Josh as they shed light on the seemingly endless allure of Scooby Doo. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Little-known fact: Ketchup, possibly the most all-American of condiments, evolved from fermented fish sauce people in Southeast Asia have been making for more than a thousand years. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Since the advent of agriculture, humans have been storing seeds. But as sea levels rise and climates change around the world, our reasons for banking seeds have become more desperate. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, historically speaking, decapitation was a popular means of execution -- it's been used by everyone from ancient Romans to French revolutionaries. But is there any truth to claim that victims retain their consciousness? Tune in to learn more. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In the early days of World War II, there was a secret training program in Canada that taught Allied saboteurs everything from espionage and bridge blowing to karate chops to the neck of an enemy. It was called Camp X and was so secret that not even the Canadian prime minister was aware of it prior to its formation. Learn all about this super cool camp in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

If you've ever been to an international airport, you've probably seen one of the keenest spotters of illegal contraband - The Beagle Brigade! These cute dogs aren't after drugs or bombs, they're carefully trained to sniff out agricultural products. Learn all about this furry group of crime stoppers in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, yes, your brain may have just flash-dried from boredom at the thought of learning about maps, but it turns out they are a lot more than just tools for navigation. Maps are two-dimensional representations of how we imagine our world, with imagine being the operative word since every map in existence is riddled with errors. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

For millennia, mass strandings of whales have confounded us. Why should dozens or more whales come onto shore only to die a terrible and lengthy death? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Coelacanths are incredibly interesting as far as fish go. For one, they were thought to have gone the way of the dinosaur, along with the dinosaur. They also give birth to live fish and tend to dwell more than 800 feet below the ocean's surface. And this is just the tip of the iceberg. Learn all about these fascinating creatures in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, Grigori Rasputin, the Russian charismatic cleric and political adviser to the ruling Romanovs, is said to have been poisoned, shot, shot again, bludgeoned and drowned. Exactly how did he die and how would such a legend grow around a modern figure? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

America loves to go nuts over new food trends and it turns out that the 20th century was a boon time for them. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Are laws that are meant to protect the sanctity of the polling place in reality designed to make it harder for groups that traditionally vote Democrat to cast their ballots? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, at long last, Josh and Chuck take on perhaps their most important topic ever. Learn about the history of beer, how it's made -- the whole shebang, basically -- in this watershed episode of Stuff You Should Know. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Schoolhouse Rock is possibly the best children's program of all time. Join Josh and Chuck as they tell the story of SR, featuring an interview with Pavement's Bob Nastanovich, contributor to the '90s Schoolhouse Rock tribute record. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

"Head transplant" is a bit of a misnomer, because it's more like a body transplant. But either way, the idea is that one human will wake up from surgery with a decidedly different look. Is it possible? Probably not. But there are a couple of surgeons who are making a lot of news in their bid to find out. Learn all about this grisly potential procedure in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, for thousands of years, humans have used hallucinogenic mushrooms for spiritual reasons. Today, however, having them can get you thrown in prison. How do magic mushrooms do what they do? Can they help the mentally ill? Find out in this far out episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

It wasn't too long ago that humans thought the polar lights were signs from the afterlife. Thanks to a 19th century Norwegian, we now understand that they are a fascinating interplay with Earth's magnetic field and wind from the sun. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Sure we can all agree that champagne is probably the greatest thing humans have or ever will invent, but how much do we understand how it's made? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, about 30-40 percent of humans suffer from some sort of allergy. The big joke, though, is that every sufferer is the victim of mistaken identity. Allergies are the result of a hypersensitive immune system mistaking a harmless protein for a foreign invader. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Charismatic Megafauna is not just a great band name. It's really just a fancy word for the cutest and most personality plus animals at the zoo. We're talking pandas, elephants and anything else you might see on a poster. Their mission? To help raise awareness and drive donations. But not everyone is on board. Learn all about these cuddly beasts in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

It was only in the last few decades that science became aware that itches aren't just low-level pain. And in that time, the mystery of how we itch and why we scratch has gotten even more baffling. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, in a desert in Texas a 200-feet-tall clock is being constructed deep inside a mountain. Once completed, it will keep time for the next 10,000 years, even if there are no humans around to use it. Tune in as Chuck and Josh get to the bottom of the Long Now. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

It turns out that the characters in your favorite TV shows and the like are actually dead, dreaming, dying or don't exist. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Poetry is a broad and expansive art form. From dramatic verse to haiku, rhyming poetry and spoken word, there are many hats a poet can wear. Join Josh and Chuck today as they break down the history of poetry, a dive into what's so great about it. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, perhaps you equate the term to conspiracy theories and Holocaust denials, but revisionism is a genuine discipline in the field of historical study. And thanks to revisionists, we now include a lot more reality - and previously unsung people - in the history of our nations. Learn about historians determined that history is far from set in stone in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

When the immune system mistakes the tissue covering neural connections as foreign invaders, the result can devastate the body. There is hope, however, in a new radical treatment that resets the immune system. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Until recently, most people probably never paid much attention to the National Security Council. It's been around a long time though, and the president has quite a bit of leeway as to who sits at the table. Learn all about this important group of individuals in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, the first attempt at breast augmentation surgery was on a dog. The second on a woman who went in for tattoo removal. From those weird origins hundreds of thousands of breast implant procedures are now carried out each year. Find out all about the advancements and techniques in increasing your bust. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Swearing is something that's been done across all cultures, virtually since humans began speaking. What is it about these taboo words that offend some, and are beloved by others? Does it help to relieve stress to swear? Are there general rules of thumb about when it's OK to swear? All of your questions are answered in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Sure, we're doing an episode on corsets. Why do you ask? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, studies find that absolutely everyone lies - some have found as much as a quarter of our daily interactions involve lies. What gives with everyone fudging? Chuck and Josh explore the philosophy, psychology and reality of lying and what constitutes a liar. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Until recently, volcanologists thought supervolcanoes were simply massive volcanoes. But further research has revealed that they are far different - and far more dangerous - than previously imagined. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Being nominated as a Supreme Court Justice is no small thing, and it doesn't always go as planned. With this week's confirmation of Justice Gorsuch, Josh and Chuck take a look at the process of getting named to America's highest court. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, in the early 1990s, Japanese researchers found a strange anomaly in their study subjects, five people who had inexplicable heart attacks. From this first investigation has come a scientific mystery: Is it possible that the sudden loss of a loved one can be so difficult to bear that it can actually cause a heart attack and maybe kill you? Could the romantics be right? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Empathy can often be confused with sympathy and regular old compassion. But it's not exactly either one of those. Some say a lack of empathy can indicate sociopathic tendencies, but that's not always true either. So what is empathy and what makes someone prone to empathize? Listen in to find out. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

You may think composting is just a bunch of old banana peels rotting away into dirt but, friend, you're not looking closely enough. Inside that compost pile is a microcosmic universe doing some magical stuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, although lots of people incorrectly believe the filibuster was an intentional rule created by the founders of the U.S., this ancient method of stalling legislation was actually brought about in America by accident. Learn the ins and outs of this contentious quirk of parliamentary rules that allows a single senator to hijack the proceedings of the entire legislative body in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The Shroud of Turin is no ordinary bed sheet. Some think it's the burial cloth of Jesus. Others think it's an amazing piece of artwork. The truth is, we'll probably never know what it really is. The mystery of the Shroud of Turin awaits you... Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Foreign accent syndrome isn't when your mom talks funny when she goes abroad. It's an actual condition where people wake up one day with an entirely different accent, usually from some kind of head trauma. Learn all about this decidedly rare affliction today. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

If you’re out there, Elon Musk, this one’s for you (although you already know everything in this episode). Everybody else, buckle in and sit back for a 700 mph thrill ride from LA to SF in 35 minutes - coming soon! Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In our continuing exploration of crime and punishment, we take a look at the practice of solitary confinement. To be sure, it has its place in prisons, sometimes for protection of the inmates themselves. However, leaving people in solitary for weeks, months and even years is another thing. We explore this cruel and unusual punishment in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There was a time when the lower classes of the American South were considered lazy and dimwitted, a stereotype that still somewhat survives today. But this stereotype was rooted in fact. Hookworms, it turns out, were sapping Southerners’ life force. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Pain is subjective; it is whatever the person experiencing it says it is. But to effectively treat pain, it helps to quantify it, which is why medicine came up with pain scales. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In the second of two parts, what was once a voluntary resettlement program becomes a violent, forced relocation under the leadership of President Andrew Jackson. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this first of two episodes on the Trail of Tears, learn about the forces that converged to create the series of events that formed the basis of what may be the most brutal decade in American history. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Now you see it, now you don't — optical illusions can fool us into seeing what's not actually there. But what causes that disconnect between perception and reality? Learn all about this visual trickery in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Freedom of speech and the press are values vital to American democracy. But the First Amendment doesn't really define free speech, and plenty of expressions are restricted. Learn all about the ins and outs of this cherished right in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

It’s common knowledge that famines are usually caused by major droughts: Rain doesn’t fall, crops don’t grow, and people go hungry. But recent research suggests that while weather may trigger famines, they may actually be more of a human-made catastrophe. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The estate tax, also known as the death tax, is not new. It's actually been around in some form since ancient Rome. Some say it's a necessary tax to help prevent resting on your inheritance laurels. Others say it's straight up double tax robbery. Learn all about this controversial tax today. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.