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Sometimes when dealing with probabilities, things don't always work out the way you might expect. My favorite example of this is the Monty Hall problem. The name comes from the game show Let's Make a ...

The host invites you to pick a door, any door. Let’s say you pick door one. The host throws open one of the doors you did not select, revealing a goat. Then the host gives you the option of switching ...

Puzzles with counterintuitive solutions do more than challenge us. They expose how easily our fast, reflexive thinking can lead us astray. When the Monty Hall problem was first posed by Marilyn Vos ...