Human beings are famously prone to error, and proof-readers are, after all, only human. But who picks up the errors a proof-reader misses? John D. Barrow challenges readers to estimate the errors that aren't found from the errors that are.
The 2003 Dirac Lecturer, distinguished physicist Freeman Dyson, tells Plus why he is an optimist, what makes life interesting and why old-fashioned maths is what you need for physics.
The number chosen by the England captain for his Real Madrid shirt is rich in mysterious connotations. But mathematician Marcus du Sautoy backs a new theory to explain why Beckham has plumped for number 23.
  • Plus looks different! - Redesigning the website
  • Beauty is truth, truth beauty - The aesthetics of mathematics
  • Readers' corner - Rolling with money revisited: The Pyramid Puzzle
  • Optional maths - should students be able to give up maths at age 14?
  • Outer space - In what will now be a regular feature, mathematician and cosmologist John D. Barrow shares some maths that's amused and intrigued him.
  • Readers' corner- More Strange activities for last issue's Ship of Fools!