If you like mathematics because things are either true or false, then you'll be worried to hear that in some quarters this basic concept is hotly disputed. In this article Phil Wilson looks at constructivist mathematics, which holds that some things are neither true, nor false, nor anything in between.

Human versus machine: who's better at proving theorems?

According to media reports there are two suspects in the dock: the rocket scientists' (a.k.a. the financial mathematicians) who provided the information behind the market's decisions, or the greedy bankers who only thought about quick profits and their end-of-year bonuses. We talk to David Hand, Chris Rogers and John Coates to find out who is guilty. This podcast accompanies the article Is maths to blame?

Game theorists model the evolution of trust and trustworthiness

The Sun is no longer singing solo and is now part of a stellar choir

A look at different voting systems

How long do football managers last?

A multi-disciplinary approach to complexity

The 2008 Nobel Prize in Physics has been awarded.