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Can You Pass the World’s Shortest IQ Test?
Maybe you have a dark sense of humor, or perhaps you failed your driver’s test—both are signs of intelligence, according to science. But how smart are you, really? The Cognitive Reflection Test (CRT), ...
It’s best to solve this week’s puzzle (really, three mini-puzzles) without an introduction. I’ll explain why after you’ve given it a shot. Did you miss last week’s puzzle? Check it out here, and find ...
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