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The Shroud Of Turin: No Ordinary Bed Sheet

 The Shroud Of Turin: No Ordinary Bed Sheet

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... See more »

How Foreign Accent Syndrome Works

 How Foreign Accent Syndrome Works

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. See more »

How the Hyperloop Will Work

 How the Hyperloop Will Work

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! See more »

Solitary Confinement: Cruel and Unusual

 Solitary Confinement: Cruel and Unusual

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. See more »

Southerners Aren’t Lazy and Dumb, They Just Had Hookworm

 Southerners Aren’t Lazy and Dumb, They Just Had Hookworm

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. See more »

Pain Scales: Yeeeow!

 Pain Scales: Yeeeow!

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. See more »

History of the Trail of Tears, Part II

 History of the Trail of Tears, Part II

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. See more »

History of the Trail of Tears, Part I

 History of the Trail of Tears, Part I

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. See more »

How Optical Illusions Work

 How Optical Illusions Work

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. See more »

How Free Speech Works

 How Free Speech Works

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. See more »