Earlier this month, 36 sharp-witted high school students from around the globe stepped foot on the warm and breezy campus of ...

In only its second year, the International Logic Olympiad is already booming as logic becomes more and more crucial in our ...

10. True Blue This logic puzzle for adults will stump even the most astute solvers! Daniel, Emily, Marciano, and Christina are all wearing solid-colored shirts. Their shirts are red, yellow, green ...

This is a puzzle invented by philosopher Max Black in the 1940s; he designed it as an example to show what critical thinking might involve. It has come to be known as the "mutilated chessboard ...

Logic puzzle games are certainly pretty commonplace, but one designed and presented this well is a rare treat. And right now, in the Steam summer sale, it’s 25 percent off at just $7.50.

4) Don't guess. A good sudoku puzzle can be solved with pure step-by-step logic. If you write the wrong number in a square, it can be difficult to figure out where you've made your mistake later.

In the table above, statements from the original ILO problem in the language of mathematical logic are at right. Our translations of those statements are at left.