More or Less Episodes Episode guide
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The known unknowns of Ebola in the Democratic Republic of the Congo
The data race to find out how fast Ebola is spreading
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Does a fall in the UK's healthy life expectancy mean what you think it means?
Tim Harford explores healthy life expectancy, HS2 costs, VAT cuts and his marathon time.
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Is the 鈥榣oneliness epidemic鈥� real?
We investigate if loneliness is increasing at epidemic rates
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Are refugees more likely to commit crime?
Asylum seekers and crime, nuclear fish, the Quiet Revival and Sir David Attenborough.
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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
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Why it鈥檚 wrong to say vaping is as bad for you as smoking
Vaping vs smoking: how the evidence on cancer and other health risks compare
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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
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Have RFK and MAHA really changed American views on vaccines?
Why a Politico headline overstated vaccine scepticism in the US
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Is Trump right that wind turbines are killing millions of birds?
Investigating the scale of bird deaths caused by wind turbines
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Dr Spock鈥檚 dangerous advice on baby sleep
How evidence eventually showed front sleeping was linked to sudden infant deaths
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How likely is 鈥榣ikely鈥�?
Adam Kucharski explains what people really mean when they use probability language
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How much water does AI consume?
We take a deep dive into AI鈥檚 water consumption
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Paul Ehrlich: The man who bet England wouldn鈥檛 exist by the year 2000
Why Paul Ehrlich鈥檚 dire predictions about a population collapse failed to materialise
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Transgender women in sport: Does 鈥榗omparable鈥� mean 鈥榚qual鈥�?
Investigating a scientific paper analysing the strength and fitness of transgender women
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US-Israel war with Iran: Do the gulf states have enough interceptor missiles?
What we know about missile stockpiles following the US-Israeli strikes on Iran
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Has a company really discovered a million new species?
Investigating whether Basecamp Research found hundreds of thousands of bacteria species
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Did AI researchers let AI hallucinations into scientific papers?
Investigating a claim that 100 made-up claims were found in AI papers
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Is an ancient charioteer the best paid sportsperson of all time?
Did a Roman charioteer really earn the equivalent of $15 billion dollars?
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Is this Premier League striker a secret maths genius?
Is Chelsea鈥檚 Liam Delap a maths genius? Or has he got a trick up his sleeve?
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Could Europe use its financial muscle to strong-arm the US?
Europe holds trillions of dollars of US shares and bonds - but can they use them?
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Can you get 拢71,000 on benefits?
Tim Harford investigates benefits, church attacks, saunas and marathon running.
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Is Greenland as big as Africa?
Tim Harford asks if Greenland is really as vast as most maps seem to suggest
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How close is Greenland to the United States?
Tim Harford investigates Greenland maps, climate costs, house prices and Traitors maths.
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South Korea study does not show Covid vaccine causes cancer
Influencers claim that this study shows that covid jabs cause cancer. That is not true
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Have more than 100 private schools been forced to close because of VAT?
Tim Harford investigates closing schools, X users, Covid deaths and churchgoers
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Does Venezuela really have the biggest oil reserves in the world?
We investigate if there are actually 300 billion barrels of oil in Venezuela's reserves
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Numbers of the year 2026
From passenger numbers to world cup travel, we cast our eye forwards into 2026
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Numbers of the Year 2025
A plethora of interesting numbers you may not know about.
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Numbers of the year 2025
From tariffs to comets, we look back at the numbers of 2025 across the world
