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 ...

I asked 3 restaurant pros to name the most annoying thing diners do—and they all said the same thing Kennewick police make another graffiti arrest. Tagger accused of $40K damage Can't-miss play: ...