This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere. A math teacher walks us through ...

This viral brain teaser has left people scratching their heads as they debate whether the answer is 500, 200, or 102 ...

Puzzles are a hands-on way to explore simpler and complex mathematical relationships, for everyone from kids to calculus students.

Even the most basic of brain teasers can have significant impacts on our cognitive wellbeing, helping to prevent dementia and strengthening the connections between brain cells. Additionally, solving a ...