Stuff You Should Know

The Great Wall of China is one of the most visited tourist desinations in the world. How'd it get built? How old is it? What's the current condition? Learn this and more in today's episode.

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It's the most wonderful time of year again! Join Chuck and Josh as they explore Christmas traditions around the world, tidbits about Elf, holiday foods and lots more joyous stuff in this glad tidings-packed episode.

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You know what I heard? That Josh and Chuck hate each other and they're just faking being friends for the show. That's called gossip, folks and it can do serious damage. Learn all about it in today's episode.

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Long ago, in a galaxy not so far away, George Lucas allowed the Star Wars Holiday Special to be made. What happened on the night of November 17, 1978 can never be fully explained, but we make our best effort in a very special edition of SYSK. May the force be with us all.

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In 1900 sponge divers found the wreck of a 2000 year-old treasure ship that contained within it a machine that should not exist. Learn of the device that reveals an understanding of the cosmos far more sophisticated than anyone knew the Greeks possessed.

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You have very likely used reverse psychology before, trying to persuade someone to do something you want by suggesting they do the opposite. What's behind the bizarre reaction this elicits?

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Carl Sagan was the world's first mainstream media super scientist, capapble of breaking down complex ideas for the common folk. But what made him tick? Billions and billions of great ideas.

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In part two of the series on HIV/AIDS, Chuck and Josh explore how the battle against the disease is being fought and won thanks to new treatments and possible cures.

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AIDS is one of the most well-known and most misunderstood diseases humans are susceptible to. In part one of this two-part series, Josh and Chuck explain how the disease is contracted and how it works.

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After a year of taking it on the road, Josh and Chuck are releasing their show on public relations. Learn all about the ways you're manipulated on a daily basis and the man who invented it in this fascinating live episode.

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