A hidden triangle in Leonardo da Vinci’s Vitruvian Man may finally explain the 500-year-old mystery behind his perfect human proportions.

In math, Alabama went from back of the class to being singled out for kudos. Is there a lesson for other states looking to boost their own students’ ...

Hannah Cairo found herself stuck on a problem that wouldn’t leave her mind. It wasn’t a regular homework assignment—it was a ...

Test your knowledge of taxicab geometry, triangular numbers, the golden ratio and more.

Brain teasers are a lot of fun and make you think in a different way, even if you don't get the answer on the first try, you can easily go back and see what you missed and take what you learned onto ...