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420: The Cannabis Code
Episode 491
Myths and competing claims fog the origin of the term 420, a slang code for marijuana.
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Deconstructing the Tasaday Tribe
Episode 490
Some say this tribe of "gentle savages", discovered in 1971, was just a hoax. The truth isn't quite so simple.
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The Science of X-Ray Specs and Sea Monkeys
Episode 489
These products advertised in the back of comic books promised improbable feats of science.
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Who Was Charles Fort?
Episode 488
This enigmatic author of the strange continues to confound.
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About That 1970s Global Cooling...
Episode 487
No, climatologists in the 1970s did not believe we're headed into another ice age.
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The Flying Saucer Menace
Episode 486
The true, interwoven history of flying saucers in American folklore.
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Holocaust Denial
Episode 485
Why some people think the Holocaust never happened, and what to do about it.
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More Unsung Women of Science
Episode 484
Some women you haven't heard of who made significant contributions to science.
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Unsung Women of Science
Episode 483
These important scientists are virtually unknown. Let's see if we can fix that.
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Franklin's Cannibals
Episode 482
The fate of Sir John Franklin's Lost Expedition gives a valuable lesson in types of evidence.
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