Leopold and Loeb, U2 Spy, Chewing Gum

Don Wildman examines a revolutionary plow that sowed the seeds of a terrifying disaster, a primitive plane that challenges the history of flight and a deceptive coin that's designed to kill.

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Mysteries: Chewing Gum and U2 Spy Pictures

Don Wildman examines a strange substance that was first used ...

One Man's Brave Choice

Learn about US pilot Gary Powers - suspected of defecting ...


The Fathers of Flight?

Were the Wright brothers really the first to fly?


The Find of the Century

Did medieval knights beat Columbus to the New World?


The Invention of Chewing Gum

Thomas Adams creates a multimillion-dollar industry.


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