Pearls are super cool. And humans figuring out how to make them is even cooler. Learn all about the most interesting gemstone today!See omnystudio.com/listener for privacy information.

When you’re hungry, you’re not yourself. So say the good people at Snickers and it turns out science backs it up. Being hangry is a verifiable thing, we’re just not quite sure yet what’s going on.See omnystudio.com/listener for privacy information.

In 1980 the “rural as rural can be” town of Elberton, Georgia erected a granite monument with a bizarre set of instructions (commandments?) that touched on eugenics, population control, and living in harmony with nature. Conspiracy theorists went wild.See

As recently as 40,000 years ago we lived among humans from an entirely different species – Neanderthals. About the same time our species showed up, Neanderthals suddenly vanished. Just what happened to the other guys? Did our ancestors do something … bad?

Squids are very closely related to our old friend the octopus, but there are some key differences. You can learn all of this and more by simply clicking the play button right now. See omnystudio.com/listener for privacy information.

The Man of the Hole has died and we're pretty sad to hear it. Listen in to our tribute to this solitary hero today.See omnystudio.com/listener for privacy information.

George Mallory was a member of the first three European expeditions to Everest, world’s tallest mountain. He wanted to summit it so badly, he gave his life trying. Since that fateful day in 1924, climbers have wondered – was Mallory the first to summit?Se

For as long a shadow as it casts across the history of the Old West, the Pony Express was a failed business venture, doomed from the start, that only lasted 18 months. But since the last rider headed out with his bag of mail, its legend has only grown. Le

Part celebration and part take down, this episode on Rolling Stone magazine dives into the highs and lows of one of America's iconic rags.See omnystudio.com/listener for privacy information.

The dividing line between the North and South is purely political. But the story of its creation is pretty interesting.See omnystudio.com/listener for privacy information.