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crop-circles-600x350 What’s the deal with crop circles?

For a while in the 1980s, people were fascinated and confused about what exactly crop circles were. Now we know that they aren't signs left from aliens, but art made by humans. Learn all about these stunning, large form art installations in today's episode.

Three Lions/Getty Images How Patents Work

What was originally designed to encourage innovation by rewarding the people who create technological advances, the U.S. patent system has become a big mess. Wade into this surprisingly interesting mire to learn how to save this important institution.

limo-pod-600x350 How Limousines Work

The first limousines weren’t even cars! Learn all about the history of limousines, how they’re made and some of the most creative and expensive amenities you can find inside them in this episode with Josh and Chuck.

nuclear-fusion-600x350 Can Nuclear Fusion Reactors Save The World?

The world’s energy consumption is ruining the planet but for decades physicists have been working on what could solve the world’s energy and climate change woes for centuries to come – nuclear fusion. Learn about building stars on Earth in this episode.

sp-halloween-ep-600x350 SYSK’s Halloween Scare Fest

Get ready to be creeped out and join Chuck and Josh as they read you with two spooky classic horror stories, The Striding Place and The Pale Man in this special bonus Halloween episode.

spooky-scary-600x350 How Haunted House Attractions Work

Ever since the Egyptians, humans have been evolving toward haunted house attractions. The level of sophistication in the scares and gore effects continues to rise over time, but the purpose remains the same: to scare the pants off you.

iStock/Thinkstock Is there a disease that kills by preventing sleep?

The strange disease of fatal familial insomnia was first recorded in the 18th century. Its victims lose their ability to sleep, slip into coma and die. The more we understand about FFI, the more mysterious it becomes.

moodboard/Thinkstock How Animal Camouflage Works

The wild kingdom is filled with examples of animals that can camouflage themselves into their environment, but the means and the methods are also wildly varied. Learn about the ins and outs of blending in through this episode.

extinction-sysk-600x350 How Extinction Works

Scientists believe that 99% of the estimated 50 billion species that have ever lived on Earth have disappeared through extinction. This is a natural process typically, but it can also be cataclysmic and it’s becoming clear we are amid a massive one.

Daily Herald Archive/SSPL/Getty Images How The Great Train Robbery Worked

In 1963, 15 men got together in England to pull off one of the most daring heists in history. The Great Train Robbery was the crime of the century, capturing the public's attention and leaving them torn on who to root for - the cops or the robbers. Learn all about England's greatest heist in today's episode.

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