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George Knapp shares recent stories of interest including the history of trick-or-treating.
The History of Trick-Or-Treat
Does Time Exist Outside of Our Minds?
Feeling Lucky? Try Some of the Creepiest Adventures on EarthAre Dogs Controlling Us with Their 'Puppy Eyes?'
Tony Fels discussed the Salem witch hunt, and how historians now sympathize with the perpetrators instead of the victims.