BBC Radio 4 - More or Less

Has a company really discovered a million new species?

Investigating whether Basecamp Research found hundreds of thousands of bacteria species

Investigating a claim that 100 made-up claims were found in AI papers

Investigating a claim that 100 made-up claims were found in AI papers

Did a Roman charioteer really earn the equivalent of $15 billion dollars?

Did a Roman charioteer really earn the equivalent of $15 billion dollars?

Is Chelsea’s Liam Delap a maths genius? Or has he got a trick up his sleeve?

Tim Harford explains the numbers and statistics in the news and in life.

Europe holds trillions of dollars of US shares and bonds - but can they use them?

Europe holds trillions of dollars of US shares and bonds - but can they use them?

Tim Harford investigates benefits, church attacks, saunas and marathon running.