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

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Episodes (783 available)

News imageMore or Less, Erdos Problem 1196: Can AI now solve maths that no human can?

How a 23-year-old mathematician used AI to crack an unsolved maths problem

16 May 2026

9 mins

News imageMore or Less, Why it’s wrong to say vaping is as bad for you as smoking

Vaping vs smoking: how the evidence on cancer and other health risks compare

9 May 2026

9 mins

News imageMore or Less, Does it take 15,000 litres of water to produce a kilogram of beef?

How a stat about cows and water is not all it seems

2 May 2026

9 mins

News imageMore or Less, Have RFK and MAHA really changed American views on vaccines?

Why a Politico headline overstated vaccine scepticism in the US

25 Apr 2026

9 mins

News imageMore or Less, Is Trump right that wind turbines are killing millions of birds?

Investigating the scale of bird deaths caused by wind turbines

18 Apr 2026

9 mins

News imageMore or Less, Dr Spock’s dangerous advice on baby sleep

How evidence eventually showed front sleeping was linked to sudden infant deaths

11 Apr 2026

9 mins

News imageMore or Less, How likely is ‘likely’?

Adam Kucharski explains what people really mean when they use probability language

4 Apr 2026

9 mins

News imageMore or Less, How much water does AI consume?

We take a deep dive into AI’s water consumption

28 Mar 2026

9 mins

News imageMore or Less, Paul Ehrlich: The man who bet England wouldn’t exist by the year 2000

Why Paul Ehrlich’s dire predictions about a population collapse failed to materialise

21 Mar 2026

9 mins

News imageMore or Less, Transgender women in sport: Does ‘comparable’ mean ‘equal’?

Investigating a scientific paper analysing the strength and fitness of transgender women

14 Mar 2026

9 mins

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