BBC Radio 4 - More or Less

The Piketty Affair

Did French economist Thomas Piketty get his numbers wrong?

Gerd Gigerenzer on the famous probability puzzle involving goats and game shows

Are Romanians responsible for more crime than other nationalities?

Does greater purchasing power in developing countries mean there are fewer poor people?

Does the government have far more people chasing benefits cheats than tax dodgers?

Alex Bellos tells the surprising story of Brazil's favourite maths book.

Are one million people really using food banks in Britain? Tim Harford investigates.

A mile in under four minutes. Did positive thinking propel dozens to do the same?

How much British law is made in Brussels: is it UKIP's 75 per cent or Clegg's 7 per cent?

Are there 100 million women missing from the world?