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plowshare_600x350 What was Operation Plowshare?

America had already used two nuclear bombs to devastating effect when researchers thought "maybe we can use these bombs to dig big holes instead." That's right, atom bombs to replace bulldozers. And it worked great.

How the Gender Pay Gap Works

The gender pay gap is the amount of time into the next year a woman must work to earn as much as a man did the previous year. And it's narrowing at a snail's pace.

strikes_600x350 How Labor Strikes Work

Labor strikes are the last resort of a workforce frustrated with low pay or dangerous working conditions. A big part of winning a wage war is having the public in your side. Learn all about strikes in today's episode.

cats-600x350 Our cats episode – right here, right meow

Cats are the most popular pet in the United States, despite the fact that we've only been keeping them indoors for 50-60 years. Learn about more cat facts in today's episode.

nostalgia_600x350 Nostalgia is not the most toxic impulse

Nostalgia is a funny thing. It's not home sickness, it's more connected to emotions and a time in your life. But is nostalgia worthwhile? Nascent science says it just might be.

Getty Images How The Iditarod Works

Each year hundreds of dogs haul humans in sleds as part of the 1,100 plus mile Iditarod Trail Sled Dog Race. It's grueling and not without controversy but one thing is for sure, these are some amazing dogs.

freaks_600x350 How Freak Shows Worked

Not too long ago, people would pay money to gawk and stare at a performer with a physical disformity. They were called freakshows and they began in large part thanks to P.T. Barnum, whose circus we still enjoy today. Sounds awful, but some of these performers became rich folks as a result. Exploitive? You decide.

nino_600x350 How El Nino Works

El Nino may mean "the little boy" or "Christ Child" in Spanish, but this weather phenomenon really means crazy things for Planet Earth. We're talking rain where it's typically dry and drought where it's usually wet. Learn why today.

Thinkstock/ivkuzmin How Rabies Works

Rabies may have gotten a lot of attention in the U.S. in the 70s and 80s, but it's still an issue in developing countries. Learn all about this nasty virus in today's episode. And stay away from racoons and bats.

land diving 600x350 How Land Diving Works

On Pentacost Island the ritual that preceded bungee jumping is alive and well. Just why do these tribesmen risk life and limb? To ensure a hearty yam harvest. Great reason.

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