Stuff You Should Know

"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.

The Black Panther Party was a complex political movement that was unfairly painted as a militant group who hated white people. Far from it, they were actually men and women trying to effect change in their community. Their history is one of the more interesting American stories, from the early stages of policing the police to their community service efforts to their inevitable fall. Learn all about the Black Panther Party right now... Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

You can burn them, freeze them, shoot them into space – they wouldn’t bat an eyelash, even if they had eyelashes. Go into the microcosmos and learn about the tiny animals that are so astoundingly durable, they can survive conditions not found here on Earth. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this show recorded live on January 5, 2017 at San Francisco’s Castro Theatre, Josh and Chuck delve into the history and the heyday of the church of consumerism and what it means for local communities and our capitalist society at large when malls die. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Quinoa is a trendy food, right alongside kale and anything else farm to table. But it's really an ancient grain. Although it's not exactly a grain at all. Technically it's a pseudo-cereal. But it is tasty and nutritious, a true superfood. Learn all about the food with the funny name in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In the not too distant future, sex may not involve being in the same room as your partner. In fact, your partner may not even have to be a human. We're talking virtual sex here. Couple VR with high tech, smart sex toys and intercourse as we know it may be a thing of the past. Except not really. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

You could be forgiven for thinking the story behind elastics was boring. You’d still be wrong, though. The story of what’s holding up your underwear is a global drama, replete with war, industrial espionage, colonialism, destitute inventors – everything! Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There is deep disagreement over whether humans are essentially peaceful or essentially warlike. Depending on your view you may see pacifism as either hopelessly naïve or the unsung response to conflict that’s kept us from wiping ourselves out. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There are many types of dictators, from so called "benevolent" ones to the kind who rule with an iron fist. There are also many ways they can come into power, and they don't all include violence. Learn all about dictators past and present in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Soylent is a meal replacement drink, but not really. So what is it? Total sustenance in a glass? Some say so. Is it made from humans? No, that's just a movie. Learn all about this odd concoction in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Artificial sweeteners have gotten a bad rap in the press for as long as they’ve been in use. But is it just the result of a fear of science or do artificial sweeteners cause real harm? A mounting body of studies is starting to paint a pretty grim picture. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Unless you happen to be standing on a hilltop or swimming in the ocean right now, you are on a watershed. These unsung wonders of topography and hydrology are an important contributor to the rain cycle and yet we humans tend to abuse them. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Baby Boomers are probably the most talked about generation in American history. But who are these people and how did they help shape the country we know today? Find out all about the big boom in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The decision to bottle feed a baby instead of breast-feeding is a weighty one these days, fraught with supposed developmental pitfalls and very real social implications. But is bottle feeding a bad thing? And are benefits of breast-feeding overestimated? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Breast milk is considered a perfect food for infants, so much so that for the first four to six months of life, a baby can subsist on mother’s milk alone. Learn all about the most fascinating milk around and the science behind it in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Human blockheads are performers who hammer nails and things into their noses. Yup. That's a thing. And it isn't a trick either - anyone can do it. Just please don't try to. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.