This is the second part of our new column on risk and uncertainty. David Spiegelhalter, Winton Professor for the Public Understanding of Risk at the University of Cambridge, continues examining league tables using the Premier League as an example. Find out just how much — or how little — these simple rankings can tell you.

Travel, money, meeting new people, living in new cultures, and a whole lot of sport — that's where maths has lead Jamie Clarke, an IT project manager who specialises in international sport projects such as the recent Winter Olympics in Torino. Jamie tells Plus how he went from engineering to the Olympics.