The original version of this story appeared in Quanta Magazine. Imagine you had a friend who gave different answers to the same question, depending on how you asked it. “What’s the capital of Peru?” ...

Game theory just sounds fun. It rings of intriguing calculations done in the interest of entertaining or worthwhile pursuits: How to choose your March Madness bracket. How to get your spouse to do the ...

Imagine you had a friend who gave different answers to the same question, depending on how you asked it. “What’s the capital of Peru?” would get one answer, and “Is Lima the capital of Peru?” would ...