Stuff You Should Know

We've covered our fair share of pop-culture icons and here is another - Hula-Hoops. They've been around since ancient time in some form or another, but made their name in during the Hoop Boom of the 1950s. Learn all about this popular fad and more.

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What began as a challenge to an oil engineer to make a terrible singer into a pitch-perfect one, Auto-Tune has become a ubiquitous (and, to many, obnoxious) part of the musical soundscape.

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Droughts can be an inevitable feature of a local climate or a catastrophic result of human meddling. Learn the ins and outs of droughts including the American mother of them all, the Dust Bowl.

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Since the Kepler telescope went online, astronomers have found there may be an estimate 40 billion planets like Earth in the Milky Way galaxy alone. What does it take for a planet to be considered Earth-like?

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They are creepy, sure, but they are also useful, cute and in great danger of extinction. Get a new lease on life from a new view of bats in this episode.

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At its base, criminal profiling is a legitimate investigatory tool. The Supreme Court has drawn a clear line that bans profiling when it includes race. So why do we still do it?

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About half of all people experience rage on a daily basis when they get behind the wheel. What is it about driving that ticks us off so badly?

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In some states, it is not only your right but your duty to arrest someone you see committing a crime. Learn all about why you should basically never do that in this episode.

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During World War II, Nazis invaded the United States with saboteurs bent on fomenting chaos. Three times.

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In 1974, Chinese farmers discovered the first of what would number 7,000 terracotta soldiers meant to protect China's first emperor in the afterlife.

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