AI startup Exa recently took an IRL approach to recruiting, posting math problems all over San Francisco with a free dinner ...

Editor’s Note (4/7/25): The puzzle solution was edited after posting to provide a process with even fewer planes, as ...

Like most puzzles in Blue Prince, the real work is figuring out what kind of logic they are using. The Dartboard puzzle in ...

Experience math in a whole new way. We'll play fun and challenging problem-solving games and puzzles from around the world, including Ancient China and Egypt, Europe, Asia, Africa and the Americas. We ...

Math is all around us and presents itself in unexpected ways every day. For some of us, it's a topic that invokes dread, or even fear. Well, we're here to show you how fun math can be - especially ...