Mathematician and physicist John Baez declares himself fascinated by exceptions in mathematics. This interest has led him to study the octonions, and, through them, to find out more about the origins of complex numbers and quaternions. In the first of two articles, he talks about connections between algebra and geometry, and the importance of lateral thinking in mathematics.

Careers in mathematics: A set of three posters from Plus

Are records predictable in any way?

  • The permanent revolution - The government's response to Adrian Smith's Inquiry into post 14 mathematics education
  • A-levels - Are the ever-improving results a sign of falling standards?