This mind-bending puzzle is over 2,200 years old — and it was created by none other than Archimedes himself! 🧠⚙️ Known as the “Stomachion,” it’s one of the oldest mathematical puzzles ever discovered ...

An old riddle runs as follows. An explorer walks one mile due south, turns and walks one mile due east, turns again and walks one mile due north and winds up back at the starting point. Then the ...

In 1779, the Swiss mathematician Leonhard Euler posed a puzzle that has since become famous: Six army regiments each have six officers of six different ranks. Can the 36 officers be arranged in a 6-by ...

Marijn Heule turns mathematical statements into something like Sudoku puzzles, then has computers go to work on them. His ...

IQ tests present readers with picture puzzles or math problems, and they need to find the solution within a time limit. These simple puzzle games sharpen the brain. By providing an effective workout ...