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Levelling the playing field
Which countries punch above and below their weight at the Olympics? With Tim Harford.

The Tour de France and the statistics of cheating
Can maths prove whether the Tour de France has successfully clamped down on drugs?

Who are the Libor losers?
How much damage did messing with Libor actually do to the financial system?

Would firing staff 'at will' boost the economy?
The Beecroft Review, infidelity, Ben Goldacre and the truth about hard-working Greeks.

Are 120,000 families responsible for a disproportionate share of society's ills?
Troubled families, nursing numbers and the mathematical consequences of unneutered cats.

Are CEOs worth it?
Executive pay, chess and trouble on the Greek railway.

A grand economic experiment?
Austerity, border queues and bank holidays. With Tim Harford.

The formula that changed the world
The drought in numbers, the formula that changed the world, and tall Tories.

How many species are going extinct?
The height of North Koreans, the width of police officers and rate of species extinction.

High Speed 2 and Executive Pay
Tim Harford looks at high speed rail and executive pay.