The primes are the building blocks of our number system, but there's no general formula that will give you all of them. If you want them, you have to hunt them down one by one. Abigail Kirk investigates a method that does just that.

When the famous diagram fails

Translating music into geometry

Great educational thinker dies

Abstract ideas better than real-world examples for maths learning

Using sand to create new mathematical models

Mathematics tackles an eternal question

The father of chaos theory dies

Road colouring problem solved

Prestigious mathematics prize goes to group theorists

Alexander Grothendiek turns 80