How to keep up the suspense
  • The Fields Medals: Maths in the media
  • Plus new writers award: last chance to enter
  • Readers' corner: Why is nim easy and chess hard?
Learn about the aerodynamics of footballs and perfect your free kick.
You've probably seen pictures of the famed Mandelbrot set and its mysterious cousins, the Julia sets. In this article Robert L. Devaney explores the maths behind these beauties and shows that they're loaded with mathematical meaning.
What goes up must come down — or does it? Find out how to cheat gravity with Julian Havil.