How many triangles can you count in this image? It’s harder than it looks and bound to baffle even the sharpest of brains for ...

An audacious heist at the Louvre saw thieves make off with priceless crown jewels in broad daylight – here is how a ...

Two decades ago, the mathematician Moon Duchin spent her summers teaching geometry at Mathcamp, a program for mathematically ...

When counting squares in a grid, don’t stop at the smallest boxes; the bigger ones are hiding too. The rule is simple: In an n × n grid—where n is the number of squares both horizontally and ...