Polar coordinates are great for circles and spirals!

Mindless games can produce surprising results.

How to solve a tricky problem using a picture.

We can't let penguin awareness day pass without a look at some penguin maths.

How fast can you tell whether two networks are the same?

Chains, arches and Wembley Stadium.

How the heat equation inspired the maths that powers the entertainment industry.

How the need to locate your location at sea led to some interesting mathematics.