• The Smith report: Making mathematics count
  • Quadratic equations in Parliament!
  • New look for Nrich - Our sister site Nrich unveils its new site design.
Following on from his article 'The prime number lottery' in last issue of Plus, Marcus du Sautoy continues his exploration of the greatest unsolved problem of mathematics: The Riemann Hypothesis.
A biologist has developed a blood test for detecting a certain minor abnormality in infants. Obviously if you have blood samples from 100 children, you could find out which children are affected by running 100 separate tests. But mathematicians are never satisfied by the obvious answer. Keith Ball uses information theory to explain how to cut down the number of tests significantly, by pooling samples of blood.
The concept of a speed limit seems a simple one - until you think what can happen when a speed camera clocks a rotating wheel...
  • Beaglemania - The Beagle is missing in action, but it is inspiring a new generation of would-be astronauts.
  • Careers with Maths - Plus has been given a grant to produce posters based on our popular careers library.