Blizzards are a real-life example of what game theorists call the “snowdrift problem,” a cousin of the prisoner’s dilemma ...

Longtime solvers become fluent in the syntax of crossword clues. There are the qualifiers after commas that indicate modern usage (“in slang,” say) or abbreviation (“for short,” for one). And when a ...

Defusing a bomb is a bit like solving algebra as an extraterrestrial — without a proper teacher to guide you through the ...