Whatever the puzzling preference—underwater dogs, classic condiments, vintage-inspired seed packets—everyone knows that as ...

Pull out a jigsaw puzzle. It works for Mari Black. A self-described thrill junkie, Black says she gets the rush she craves ...

When the last piece of a puzzle like that is a literal puzzle, though, it’s even better. [Nadieh] has been working on this jigsaw puzzle that displays a fireworks-like effect whenever a piece is ...