## Articles

**Josefina Alvarez**describes the workings of the most famous search engine of them all. You'll need some linear algebra for this one, but it's worth the while!

**Chris Budd and Cathryn Mitchell**look at the maths that isn't only responsible for these medical techniques, but also for much of the digital revolution.

**Stefan Kopieczek**explores his story.

**Peter Macgregor**explores the beautiful world of the infinite.

**Liz Newton**finds that having a small brain doesn't stop you doing great things.

**Neil Pieprzak**tells the fascinating story of Andrew Wiles who, with intense devotion and in secret, proved a deceptively simple-looking conjecture that had defeated mathematicians for almost 400 years.

**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.