It turns out that lasers are even cooler than they look. And as far as acronyms go, they’re pretty solid in that respect too. There’s way too much cool stuff about lasers to tease here so listen to this old school SYSK episode and let lasers blow away.

See omnystudio.com/listener for privacy information.

In the late 90s, a strange musical instrument was excavated under the streets of CDMX. Listen in to learn all about the Aztec Death Whistle. 

See omnystudio.com/listener for privacy information.

Humans have all sorts of weird quirks that cause us to do silly things and make bad decisions. It’s not our fault though. Our brains are wired that way. Learn about the psychology of cognitive biases in this episode.

See omnystudio.com/listener for privacy information.

If look into the mythology of just about any culture in the world, you will find a myth about a great flood that destroyed humanity and submerged the Earth in the distant past. Does this mean that a great flood actually happened? Listen to this classic episode to explore the possibilities with Josh and Chuck.

See omnystudio.com/listener for privacy information.

The Cajun Navy was formed after Hurricane Katrina and really got its legs after the Louisiana flood of 2016.  They save a lot of lives, but some fear the pitfalls of "vigilante heroism." Learn all about this group of do-gooders today. 

See omnystudio.com/listener for privacy information.

Have you ever cried way longer than usual when you were in a yellow room? You’ve been smacked by color psychology my friend and it’s got your number.

See omnystudio.com/listener for privacy information.

Helen Keller and Anne Sullivan were one of the most amazing non-magical duos in history. Imagine living trapped in your own mind – unable to see or hear – and then imagine learning to read, traveling the world, and becoming an ambassador of peace.   

See omnystudio.com/listener for privacy information.

In World War II, a secret department of British 'corkscrew thinkers' hatched a plan to use the cadaver of an unclaimed homeless man to turn the tide of the war in the Allies' favor. It worked. Listen to this classic episode as Josh and Chuck take you through the real life tale.

See omnystudio.com/listener for privacy information.

If you think the Golden Gate Bridge is named because of its color then you are wrong. That name proceeds the bridge by a long time. But that’s just one interesting fact about this amazing structure. Tune in today.

See omnystudio.com/listener for privacy information.

The Magic 8 Ball, the mystical fortune telling pool ball started out as a piece of customer swag for the Brunswick Billiard Company.  Since then, it has changed the course of history and shaped nations.

See omnystudio.com/listener for privacy information.

The Charge of the Light Brigade is a famous poem about a lesser famous military action during the Crimean War. Tune in today for a rare SYSK walk through wartime history.

See omnystudio.com/listener for privacy information.

You’d think terms like cage-free and free-range means the chickens we eat are frolicking happily in the fresh air under the shining sun, but you’d be so, so wrong. Cage-free is a huge improvement but free-range is lacking and both have a long way to go. Find out all about both in this classic episode.

See omnystudio.com/listener for privacy information.

Biggie Smalls and Tupac Shakur had a famous beef with one another in the mid-90s. It was so intense, it sparked an even wider rivalry between the East and West Coasts. In just a few years, both men had been murdered and the music world was changed forever.

See omnystudio.com/listener for privacy information.

The Seven Deadly Sins are tied to religion, but not really in the Bible. So where did this naughty list come from?

See omnystudio.com/listener for privacy information.

Today, Chuck and Josh walk you through the history of keeping time, from sticks in the sun to atomic clocks.

See omnystudio.com/listener for privacy information.

Borderline Personality Disorder has been described as emotional “third degree burns over ninety percent of your body.” It’s as close to a curse as a personality disorder can be: deep fear of being abandoned creates behaviors that end up driving people off. Learn all about it in this classic episode.

See omnystudio.com/listener for privacy information.

Data centers are the backbone of our digital world. All the sites you visit and social media you post happen there. A boom in huge data centers to support AI is underway, and they’re taking a big toll on the environment and life for the people around them.

See omnystudio.com/listener for privacy information.

During the Cold War, the CIA used the legend of a vampire named Aswang to scare locals into not helping the communists. 

See omnystudio.com/listener for privacy information.

West Virginia is home to sensitive radio telescopes that could easily pick up your cell phone’s signal on Mars. And the cell reception on Mars is about as good as it is in the NRQZ, since cell towers are banned in the interest of furthering astronomy.

See omnystudio.com/listener for privacy information.

For most of history, forgiveness fell under the domain of religion. But in the 1980s science started investigating it and found that forgiving someone is really, really good for you. Learn how anybody can be the better person in this classic, and really great, episode.

See omnystudio.com/listener for privacy information.

Seasonal affective disorder, or SAD, is much more than the winter blues. It's a serious subset of depression. Learn all about it and what to do if you suffer from it today. 

See omnystudio.com/listener for privacy information.

Since 1972 neighborhoods have been officially banding together to prevent crime together. Does it work? It seems to. Does it go too far? It often does, yes.

See omnystudio.com/listener for privacy information.

Today we dive into the interesting story of paranormal power couple the Warrens, inspiration behind The Conjuring movie franchise. 

See omnystudio.com/listener for privacy information.

We love us some MC Escher. Turns out his story is pretty fascinating too. Tune in to this classic episode and find out all about it with Josh and Chuck.

See omnystudio.com/listener for privacy information.

Whatever you think of TV, you have to admit it has shaped the world (maybe more than the internet, according to Josh). There have been moments here or there in TV history where the world took a new course and we go over some of them in this episode.  

See omnystudio.com/listener for privacy information.

What exactly is this durable ceramic anyway?

See omnystudio.com/listener for privacy information.

Home economics seems antiquated – a class that teaches high school kids how to bake a cake and sew doesn’t sound super useful. But would you believe that everything from the obesity epidemic to student debt can be chalked up to home ec disappearing?

See omnystudio.com/listener for privacy information.

Playing miniature golf is a very fun thing to do and, you’re about to find, learning about its origin and history is very fun as well. Join Josh and Chuck in this classic episode as they tee off on the mini golf story!

See omnystudio.com/listener for privacy information.

In this special Christmas Day episode, we get cuddly with one of the all-time great holiday gifts, dolls! Where did they come from? Why are the so cute? Why are they sometimes creepy? Why do they tell us to do things we don’t want to with their minds?

See omnystudio.com/listener for privacy information.

Holly is waxy and super sharp, not exactly the kind of thing you'd want all over your house. Yet it happens every holiday season. Today we dig in to discover why.

See omnystudio.com/listener for privacy information.

Deck your tidings and get your halls nice and gladded because it’s time for maybe the best episode of the year, where SYSK loosens our ties, puts on our smoking jackets and Santa hats and create holiday nostalgia in real time. Happy holidays, everybody!

See omnystudio.com/listener for privacy information.

When your life is as outsized as the World’s Greatest Showman PT Barnum it’s pretty easy to - you know - gloss over the grimmer aspects when you turn it into an uplifting musical movie. But the way to understand a person is to look at them, warts and all. Josh and Chuck take a full accounting in this classic episode.

See omnystudio.com/listener for privacy information.

The story of Doggerland is pretty fascinating. The idea is that mainland Europe and the UK were connected not only by a land bridge, but a place where plants, animals and even humans, thrived. 

See omnystudio.com/listener for privacy information.

At the end of WWII in Europe, one of the strangest battles of the war took place between German troops fighting alongside Americans and French to beat back an assault by the Nazi SS.

See omnystudio.com/listener for privacy information.

Everybody’s always bagging on pessimists and telling everybody they should be more optimistic. Well, nuts to that! There are plenty of benefits from being a pessimist. Although being an optimist still wins in basically every category ?

See omnystudio.com/listener for privacy information.

Long ago, in a galaxy not so far away, George Lucas allowed the Star Wars Holiday Special to be made. What happened on the night of November 17, 1978 can never be fully explained, but we make our best effort in our annual special edition of SYSK. May the force be with us all.

See omnystudio.com/listener for privacy information.

Ever since Cabbage Patch Kids came along in 1983, there’s been an annual holiday frenzy around one particular toy – the must-have Christmas toy of the year. But what makes a toy a must-have toy? Josh and Chuck investigate (and kick off the holidays).

See omnystudio.com/listener for privacy information.

Do you love Play-Doh? Chuck and Josh certainly love to talk about it, from its interesting history as a wall cleaner, to its more scientific chemical properties. It's everything you ever wanted to know about the pliable children's toy.

See omnystudio.com/listener for privacy information.

You may have played with a yo-yo before -- perhaps you've even walked the dog -- but do you know about the physics behind what makes a yo-yo sleep and wake up? Learn all about inertia, angular momentum and the history of the yo-yo in this episode of SYSK.

See omnystudio.com/listener for privacy information.

Action figures have a long and glorious history. From GI Joes to Star Wars figures, these offshoots of dolls came along at just the right time to capture the hearts and minds of children everywhere. Learn all about the partial history of action figures right here.

See omnystudio.com/listener for privacy information.

Surprisingly, Cabbage Patch Kids have turned up on SYSK almost as much as the Nazis or Seinfeld. It’s finally time to dive all the way into CPKs, from their controversial origins to the Christmas craze of ‘83 to their alter egos, Garbage Pail Kids.

See omnystudio.com/listener for privacy information.

We've covered our fair share of pop-culture icons and here is another - Hula-Hoops. They've been around since ancient time in some form or another, but made their name in during the Hoop Boom of the 1950s. Learn all about this popular fad and more.

See omnystudio.com/listener for privacy information.

Since more than 1 billion people have played it, you're probably familiar with the board game Monopoly, but we bet you don't know its secret origins as a left-wing socialist teaching tool. Learn about the history, rules and cultural impact of Monopoly.

See omnystudio.com/listener for privacy information.

The world has seen a lot of weird investment bubbles in its time, but few of them rival the fever that gripped the world in the 90s after Beanie Babies took off. Let’s visit this strange chapter in toy history together.

See omnystudio.com/listener for privacy information.

The Etch A Sketch is yet another classic toy that Josh and Chuck love and respect. Learn all about this Hall of Fame entry today.

See omnystudio.com/listener for privacy information.

For the holidays in 1986 (and ’87) (and ’88) the most stupendous, most wanted, most amazing thing any kid could possibly get – outside of a pony, *maybe* – was the NES. That year, video games came back from the dead and changed forever.

See 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.

See omnystudio.com/listener for privacy information.

Easy Bake Ovens are as iconic as a toy can get, as American as apple pie or baseball. Learn all about these light bulb cooking, working ovens that endanger children to this day, in this classic episode.

See omnystudio.com/listener for privacy information.

The BBC has been around as long as there has been radio. Today we salute the venerable institution that's as British as tea and crumpets. 

See omnystudio.com/listener for privacy information.

In 2003, a tiny – really, really tiny – humanoid skeleton surfaced that had been taken from Chile. The only possible explanation is that it had to be an alien mummy. Right?

See omnystudio.com/listener for privacy information.