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Mathematical magic can seem like mind reading. Your job is to reveal the secret behind these four tricks.
How to win games by going second and leaving your opponent with no good options.
The solution to our puzzle about Euler’s number explains why e pops up in situations that involve optimality.
The transcendental number π is as familiar as it is ubiquitous, but how does Euler’s number e transcend the ordinary?
How readers used their geometry skills to survive a dangerous puzzle.
Playing with numbers can lead to deep mathematical and scientific insights.
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