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cinnamon-600x350 How Cinnamon Works

In another commodities edition of SYSK, Josh and Chuck dive into the world of cinnamon, once the world's most prized and pricey spice. But did you know it was really just dried up tree bark?

boomerang-600x350 Boomerangs: Magic Sticks of Physics

The physics behind returning boomerangs literally may be the most difficult concept to understand in the entire body of science. Join Josh and Chuck as they try their absolute best to describe how boomerangs work - and maybe even pull it off!

homeschooling-600x350 Homeschooling: Not Just For Hippies and Religious People Anymore

Back in the 1970s, homeschooling was illegal in the U.S., but after activists of all stripes lobbied lawmakers, schooling kids at home has become a viable option for parents. And as more and more have chosen it, it’s become more mainstream.

the-hum-600x350 How The Hum Works

There is a mysterious droning sound often described as like a diesel engine idling that is severely impacting the quality of life of 2 percent of people in places around the world. The thing is, no one knows what’s causing it – or if it actually exists.

x-rays-600x350 How X-Rays Work

Like many huge discoveries, X-rays were accidentally stumbled upon. That serendipity led to a medical breakthrough still in use today. Learn about how X-rays are created and why they make such delightful images of our bones.

iStock/Thinkstock How Leper Colonies Worked

Leprosy, also known as Hansen’s disease, used to mean a one-way ticket to banishment. But once medicine trained its sights on wiping out what might be the most ancient disease to afflict humans, it has become treatable and even accepted.

iStock/Thinkstock How Terraforming Will Work

A lot of great thinkers are warning that if humans are to survive as a species we are going to have to find another planet to live on. Terraforming, or engineering a planet to maintain all of the ingredients to sustain life, seems to be the answer.

kickstarter-600x350 How Kickstarter Works

With billions of dollars raised, Kickstarter has singled itself out as the go-to site for creative crowdfunding. But not without some controversy along the way. Learn all about how this artistic business model operates in today's episode.

MPI/Getty Images What is Collective Hysteria?

Throughout the history of the world, there have been many cases of what is known as collective hysteria - groups of people, usually young women, who all exhibit the same physical symptoms of non-existent conditions. Is it psychosomatic? Is it group think?

Universal History Archive/UIG via Getty Images How the Enlightenment Works

The Enlightenment stands as the moment the West withdrew from superstition and found its faith in reason. Did it shift too far? Learn about this massive shift in thinking which we are still sorting through and coming to understand today.

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