We all love a mathematical brainteaser here at IFLS. Monty Hall? Done it mate. Two circles shoved into a quadrilateral of unknown size? Been there, solved that. Some Singaporean kids’ seemingly ...

Physicist Albert Einstein famously posited that if he only had an hour to crack a daunting problem, he'd devote 55 minutes to ...

In “Rhyme Time,” the puzzle was “Fine Wine & Good Mood Food,” which Baldwin solved for a trip to Argentina and $13,815, but only when there was just one letter left to guess after her rivals’ attempts ...

Quantum computers may solve problems beyond supercomputers. A new test helps confirm quantum answers for errors.

These lateral-thinking puzzles require some serious out-of-the-box thinking to solve. Are you up to the challenge?