This commentary from The New Republic was written by Ryan Lizza. It's Junior High Night at Dean for America's Des Moines headquarters, housed in some non-descript office space downtown. In the ...

Exactly how many triangles can you count in this fun triangle puzzle?

In his new book, "Dissections: Plane and Fancy," Greg N. Frederickson, professor of computer science, explores the challenges of geometric dissections, the mathematical art of cutting figures into the ...

Math is not everyone’s favorite, understandably. Hours of math homework and difficult equations can make anyone sour on the subject. But when math problems are outside of a school setting, there’s no ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The book Mathematical Puzzles and ...

The arrangement leaves gaps in the square’s four corners, two of which are filled with smaller circles that just barely touch ...

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I like sudoku as much as anyone, but a change of pace might be nice occasionally. Enter Sweet 16, a new math puzzle game. As the name suggests it involves the numbers 1 through 16, and it's a bit like ...