More or Less: Behind the Stats - Levelling the statistical playing field

Given that some countries are richer than others, and some have larger populations, what should the Olympic medal tally really have looked like? Also: numbers help us understand the world. But for Daniel Tammet, author of ?Thinking in Numbers". They don't just help him to understand the world - but to be a part of it.

More or Less: Behind the Stats - How to lose money – fast!

Last week Knight Capital lost a lot of money very quickly. It was the latest chapter in the story of something called ?high frequency trading?. Investors have always valued being the first with the news. But high frequency trading is different: algorithms execute automatic trades, conducted by computers, at astonishing speeds. We ask: is the rapid growth of high frequency trading progress, or ? as some think ? a threat to the stability of the entire financial system?