Can you infer the simple rule behind a number sequence that spikes up and down like the beating of a heart? Our Insights problem this month is based on a sequence of integers which comes from Neil ...

A number sequence has gone viral on the internet this week, reading: 2, 6, 12, 20, 30, ?. At first glance, it looks easy, but once people start solving it, they realize spotting the pattern is not so ...

Brain teasers are a fun way to test one's thinking skills. These puzzles give the brain a quick workout. A recent challenge that went viral online has math lovers excited. The puzzle asks users to ...

The rules of Sudoku dictate that every row, column and 3×3 bolded box in the completed grid must contain the digits 1 through 9 exactly once. A surprising fact emerges from these simple rules. In ...

A new set of puzzles inspired by Rubik's Cube offers puzzle lovers the chance to get acquainted with the secret twists and turns of mathematical entities called sporadic simple groups Editor's Note: ...