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

Again, the secret is how you’re wrapping all the way around the item. A diamond orientation means you’re folding over right ...

Super Bowl week is back, which means Roman numerals are once again at the forefront of the public consciousness. As one of the only institutions that still uses Roman numerals, the NFL's choice brings ...