José-Manuel Rey revisits a scene of the film A beautiful Mind.

Phil Trinh discovers how maths helps solve the mysteries of flight and love.

From the complexity of the snowflake, to the London tube map and the spiralling Andromeda galaxy, imagery has always been a vitally important ingredient of science. This week, Plus talks to John Barrow, professor of mathematics at Cambridge University and author of the new book Cosmic Imagery, about the images that have changed science, and how we have viewed science, over the centuries.

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 Enigma machine was once considered unbreakable, and the cracking of the "unbreakable code" by the allies changed the course of World War 2. This week, Plus talks to Nadia Baker from the Enigma Project about the history of codes and code-breaking, why the Enigma machine was considered unbreakable, the mathematics behind codes, and how it was finally cracked. The Enigma Project travels all over the United Kingdom and abroad, visiting over 100 schools and organisations, reaching over 12,000 people of all ages every year.

The father of chaos theory dies

Road colouring problem solved