DEAR MR. RIGAL: Your partner opens one heart, the next hand overcalls three diamonds and you double. Fourth seat passes, and partner bids four clubs. What do you think -- is this forcing?

The enduring appeal of games and puzzles lies in their ability to combine fun with mental stimulation. From traditional board games and jigsaw puzzles to modern tabletop RPGs and brain-training apps, ...

While the current generation of artificial intelligence chatbots still flub basic facts, the systems answer with such confidence that they're often more persuasive than humans. Adults, even those ...

University of Washington researchers developed the game AI Puzzlers to show kids an area where AI systems still typically and blatantly fail: solving certain reasoning puzzles. In the game, users ...

A classic puzzle conundrum goes like this: You’re in a room with two ropes and a box of matches. Each rope takes exactly an hour to burn all the way across, but it might burn faster through some ...