Stuff You Should Know

In this week's SYSK Select episode, one of the fields of forensic investigation, handwriting analysis is based on the principle of uniqueness - that each person writes in their own peculiar way. Learn about this interesting area of crime fighting and how it's worked to advance itself as a real science. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The U.S. Secret Service began after a mandate from President Lincoln called for a service to combat counterfeiters. Since then, they have become more well known as the agency that guards and protects the president and the first family, along with that of former presidents. Learn all about the ins and outs of the this not so secret service in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There are people who walk among us who seem normal, maybe even more charming or intelligent than average, yet they hide disturbing and at times dangerous personalities behind what one researcher called a 'mask of sanity.' Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select, what you hear is not a test, instead it's Chuck and Josh discussing the cultural history of the Hip-Hop movement. Born out of the South Bronx, by way of Jamaica, Hip-Hop culture grew up suddenly as DJs learned to use two turntables at once. Check out this episode of Stuff You Should Know to learn about the origins and evolution of Hip-Hop. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Crickets are part of a larger insect-based diet enjoyed in most parts of the world. Loaded with vitamins, minerals and protein, and green to boot, crickets could help solve some of the world's food problems if Europe and America get on board. Learn all about cricket farming in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Since his corpse was found in 1948, wearing a nice suit in summer on an Australian beach, an unidentified man has refused to fade into obscurity, gripping the imagination of sleuths around the world. 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 U.S. museum collections are rife with counterfeits, shrunken heads are far from fiction. The Shuar tribe of Ecuador has shrunken heads for centuries. Learn the methodical process of shrinking a head and how they're used in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Satanism may be the most misunderstood "religion" in the world. Part of that is because there are, and have been, many offshoots of Satanism, from The Church of Satan to The Satanic Temple. One thing is sure though, none of them are filled with evil humans who perform ritual blood sacrifice and worship a cloven-hoofed devil. Learn all about Satanism in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Barbecue, or for the lazy, BBQ, is a Southern cooking tradition, but also much more than that. It's a cultural touchstone of the South where people of all classes and races can sit and break bread with one another. In today's episode, you'll learn all about BBQ's interesting origins, along with the various regional varieties that make its meat-loving fans so devoted. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, since a hostage standoff in Sweden took place in 1972 a peculiar and mysterious psychological phenomenon has had a name. But is Stockholm Syndrome real? And what conditions have to be present? Join Chuck and Josh as they look into this unusual condition. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

For millennia, we have tried to put human personalities into neat types, an effort psychology took up early in its history in an effort to legitimize itself. But is the idea of types – which all personality inventories are based on - flawed to begin with? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In 1970, roboticist Masahiro Mori wrote an essay that said the closer robots come to lifelike, the more they unsettle humans. His theory became the Uncanny Valley, and science has been evaluating it – and what makes something creepy - in recent years. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In today's SYSK Select episode, we learn about exploitation films. During the 1930s-80s, the work of directors operating in the shadows of Hollywood led to explorations in sexuality and violence that mainstream cinema wouldn't touch. Join Chuck and Josh as they explore the seedy underbelly of grindhouse flicks. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Accents are truly fascinating. Put simply, they are how a person sounds when they talk. From England to America and all over the world, the way people speak in their native tongue can vary drastically. What are the influences? When do accents begin to take hold? Can you lose or gain an accent? Learn about all this and more in today's decidedly interesting episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Despite as much as one percent of the adult population having the condition, science doesn't actually know how stuttering works. The best it's come up with so far: there seems to be an issue between the physical process of speaking and the thought process that underlies 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, if you're accusing someone of disloyalty or subversion without decent evidence, then you may be guilty of McCarthyism. In this episode, Josh and Chuck explore the origin of the term, starting with the infamous Communist-hunting Senator Joseph McCarthy. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Thanks to advancements in fields like genetics, and molecular chemistry, archaeology is undergoing a renaissance and opening up new understanding of the past. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There are all kinds of motivational speakers, from people who have overcome incredible hardships to those who hold pep-rally style events in stadiums. But do these speakers actually help anyone? Science can't prove it out, but people who take part swear by it. Learn all about the strange world of motivational speakers 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, they're always right there, taunting you: why do you have me, they ask? Why do men have nipples? It turns out there's a good answer why and nipples on men aren't entirely useless after all. Join Chuck and Josh for this heady investigation. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In a small town in Iowa in 1912 eight people were murdered in the grisliest of ways while they slept. Local reputations were ruined when accusations flew, but could a drifting serial killer working across the Midwest have been behind it? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Public broadcasting works a bit differently depending on where you are in the world. American TV made the leap more toward commercial broadcasting in the early days, yet PBS and NPR still remain a vital part of our national fabric. In England and many other countries, public broadcasting is more the standard. Learn all about the interesting history of public broadcasting in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In today's SYSK Select episode, fly, robin, fly indeed. No musical genre has risen and burned out as quickly as disco, and historians are still trying to unravel the animosity aimed at it. Join Chuck and Josh as they dig into disco's underground roots and its sashay into the mainstream. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Over or under? One ply or two? How about six? TP has not been around that long, but is has been embraced in a big way by the United States. Learn all about the interesting history behind this decidedly dry product. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

It sounds cool, but ghost fishing is actually a tragic byproduct of modern fishing practices, where abandoned nylon nets can trap and kill sealife for hundreds of years. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, amateur astrophysicists Josh and Chuck break out the stats and attempt to explain the complex, boiling ball of gas that we call the sun. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Guessing is a weird thing. For millennia, it could have meant the difference between life and death. Now it's not as vital, but we still do it every day, whether behind the wheel of a car, or judging what another person might be feeling. From wild guesses to the educated variety, learn everything we know about the brain and how it manages this odd, very human act. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

It's pretty obvious something's gone wrong when you get a sunburn, but did you know a tan means you've damaged your DNA? Dive into the three Ss of summer and learn all about how to protect yourself from the sun. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, famed aviator Amelia Earhart's disappearance in 1937 is a mystery that endures to this day. Why don't we know what happened to her? In this episode, Josh and Chuck examine the facts and evidence behind the famous case. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Fever dreams can be unsettling experiences. These ramped up nightmares are vivid, detailed and only happen when the human body experiences a fever. What is it about the combination of fevers and dreams that make these night terrors so hellish? Learn all that and more in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Net neutrality is the idea that the internet is a public good and that everyone should have equal, unfettered access to it. Though the FCC strongly supported it with new rules in 2015, today’s FCC is under new leadership and has other ideas. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this week's SYSK Select episode, after she was diagnosed with the cervical cancer that shortly killed her, a tissue sample was taken from Henrietta Lacks in 1951 without her knowledge. Those cells would go on to become the first immortal line of human cells, something of enormous benefit to science and humanity as a whole. But while the line, called HeLa cells, became a multi-billion-dollar industry, her family languished without health care insurance. Learn about this complex case of private rights and scientific advancement in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Once in a while a movie comes along that's so forward-thinking it changes the way that horror is done. A new subgenre is spawned, new tropes are established, and audiences are more terrified than ever. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The word stoic has taken on its own meaning apart from the philosophical movement which gave it life. Learn all about the early stoics, what the philosophy is all about and where the movement stands today. 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 U.S. stands proudly defiant and the world looks at Americans as dopes for the U.S.'s stubborn refusal to go metric. However, the States have been going metric for about 150 years. Find out what's the haps in this weighty and measured episode of SYSK. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Even the most brilliant medical minds need a good bedside manner, and thanks to standardized patients, they can improve their skills. What are they? Part-time workers who pretend to be real patients so doctors can practice on live humans. If you're remembering Kramer on Seinfeld right about now, you're not alone. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

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.