Unsolved Mysteries

Archaeological discoveries that still confound rationalists.

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No Bad Ideas

Patents from America’s past and present.

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Metropolises rediscovered.

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Did Shakespeare refer to scientific discoveries in his work?

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Giving credit where credit is due.

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Irving Langmuir on pathological science.

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Things discovered are not always things correctly named.

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Inventors losing control of their work.

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What lies past the world’s edge.

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Aliens on earth—are they benevolent or hostile?

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