Are 72% of prison inmates in Switzerland foreign?

Would it be cheaper to send every Greek rail passenger by taxi instead? This programme was first broadcast on the BBC World Service.

14 Touko 20129min

Executive pay, chess and trouble on the Greek railway.

11 Touko 201228min

Are we witnessing a grand economic experiment being played out between Europe, trying to cut its way out of trouble, and the United States, trying to spend its way to redemption? Plus, we investigate the height of North Koreans. This programme was first broadcast on the BBC World Service.

4 Touko 20129min

Are we witnessing a grand economic experiment playing out between Britain and the United States? How long have travellers been waiting to get through immigration at Heathrow? Plus, are you going to destroy the economy this bank holiday weekend?

4 Touko 201227min

The Midas Formula - In this week's More or Less: The story of Black-Scholes, the equation that transformed Wall Street – and the arguments over whether it made the world a better place, or helped cause the financial mess we have all been dealing with for the past five years. This programme was first broadcast on the BBC World Service.

27 Huhti 20129min

Rain and drought in numbers, the formula which changed Wall Street and then the world forever - and why Conservative MPs used to be taller than their Labour counterparts.

27 Huhti 201228min

Is the rate of species extinction exaggerated - or even unknowable? Producer: Richard Knight This programme was first broadcast on the BBC World Service.

20 Huhti 20129min

We investigate the height of North Koreans, the width of police officers and rate of species extinction. Producer: Richard Knight

20 Huhti 201227min