Hang a picture on three nails so that removing any two will cause the picture to fall but removing just one will not. Hint: ...

For decades, researchers wondered if the Navier-Stokes equations, which describe fluid flow, break down. OpenAI put thousands ...

A local tennis club has 15 members. The organizer wants every member to play the same number of matches at an upcoming event, ...

Holidays bring celebration, rest and, for many families, long stretches of indoor time. For some, this means tabletop games quickly reappear on kitchen tables. Games provide opportunities for learning ...

Jeff Smith's Math Puzzle for September 11, 2026 - Individual interests and collective interest join hands at the local paper.

Brain teasers are an excellent way to keep your mind sharp and engage your problem-solving skills. Ranging from simple to complex, these puzzles offer a fun yet challenging way to give your brain a ...

I like sudoku as much as anyone, but a change of pace might be nice occasionally. Enter Sweet 16, a new math puzzle game. As the name suggests it involves the numbers 1 through 16, and it's a bit like ...

Moscovich is well known for his many books on mathematics and puzzles, including 1000 Playthinks, and in many ways, this book picks up where that one left off. Playthinks are mathematical puzzles and ...