Chuck Gill caught the space bug as a child when watching Alan Shepherd launch into space. Since then he's worked as a US Air Force navigator, a satellite operator, and in the US intelligence service. These days he's busy reducing carbon emissions and preparing London for the 2012 Olympics. Plus went to see him to find out more about his career.

Jet engines, aircraft carriers and telecommunications networks — these are just some of the things that Nira Chamberlain has modelled. And while he's figuring out defence logistics, he's also pursuing a pure mathematical interest in games. Find out what mathematical modelling can do and why it can also make you slim and fluent in French.

Geometry is power

Adrian Bird, a performance engineer at Rolls Royce, tells Plus that it doesn't matter what anyone else thinks. You can follow your dreams to do maths and it can lead you to the skies.

A model borrowed from engineering may help save coral reefs

How to keep up the suspense

How can lives be saved next time the earth moves?