Solve the math puzzle from our June 2026 issue, where an ant navigates the surface of various objects to find the shortest ...

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 ...

There are eight doors in front of you labeled A through H. Behind one of the doors is a prize. A guard is aware of the prize’s location but will only answer yes or no questions. What is the minimum ...

Here, count with me: 1, 2, 3, 4, 5, 6, 7, 8, 9, T, 11, 12 … Oh, what’s that? You write ten with “zero”? Fair enough. Zero, we have been told, is the ...

Some of the most satisfying number puzzles require little mathematical know-how. In fact, cracking the one below calls for thinking that is quite nonmathematical. I don’t know where or when I first ...