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More or Less

More or Less

BBC Radio 4 1095 Episodes Oct 17, 2026

Tim Harford explains and sometimes debunks the numbers and statistics used in political debate, the news, and everyday life.

Episodes

Did Ukrainian strikes on Russian data centres stop disinformation bots?
Did Ukrainian strikes on Russian data centres stop disinformation bots? Oct 17, 2026 538 Last week, Ukraine launched drone attacks against three data centres owned by Russian tech giant Yandex. After these attacks Yandex announced that they were struggling to maintain their services.This led to widespread claims that Russian disinformation campaign on social media had been affected, as users produced graphs that they argued showed a dramatic decline in suspicious online activity by bo
Fact-check: Will Scottish pensioners really be funding English social care?
Fact-check: Will Scottish pensioners really be funding English social care? Oct 14, 2026 1750 Tim Harford investigates some of the numbers in the news. This week:(00:40) First Minister John Swinney has claimed that Scottish pensioners are set to lose £2000, with the money going to fund English social care. We gently suggest he might like to consider the existence of the Barnett formula, and explain that, when you do, the picture looks very different.(06:08 ) The Liberal Democrats have dug
Fact-check: Is China missing a billion people?
Fact-check: Is China missing a billion people? Oct 10, 2026 538 A viral video circulating online claims the population of China is actually a billion people lower than the UN and China say. A billion is big number, you'd think the Chinese would notice if that many were missing - and the claim is certainly false.However, as the team dug into the stats, a strange story emerged - which suggests the official data on births and fertility may not be quite as reliabl
Is the UK state pension really the lowest in Europe?
Is the UK state pension really the lowest in Europe? Oct 7, 2026 1722 Tim Harford investigates some of the numbers in the news. This week: (00:42) Is the UK uniquely miserly when it comes to the state pension? That’s the story a viral social media post is telling - but have they adjusted to account for complicated structural differences between national systems? Reader, they have not. (07:23) In a podcast feud nobody saw coming, Sir Jacob Rees-Mogg and Tucker Car
The Uzbekistan-shaped hole in an influential climate cost paper
The Uzbekistan-shaped hole in an influential climate cost paper Oct 3, 2026 539 How much could climate change cost the global economy? That would be a very useful thing to know, and scientists have developed statistical models that they think can help give a reasonable answer. These involve finding the patterns in economic data associated with temperature changes - and then applying them to the future changes that are predicted as the globe warms. In 2024, a scientific paper
Does the UK really have nine out of the ten poorest regions in Northern Europe?
Does the UK really have nine out of the ten poorest regions in Northern Europe? Sep 30, 2026 1822 Tim Harford investigates some of the numbers in the news. This week:(00:40) Does the UK account for nine out of ten of the poorest regions in Northern Europe? It’s a classic story of devil meets detail where the true meaning is the geographical inequality we met along the way.(07:54) An article in The Economist has claimed that a single donkey charity in Devon received more in annual donations tha
Trump fact-check: Do the US and Venezuela have 60% of the world’s oil?
Trump fact-check: Do the US and Venezuela have 60% of the world’s oil? Sep 26, 2026 541 US president Donald Trump has claimed in a speech to the UN that the US and Venezuela combined now have 60% of the world’s oil. 100% of the team on More or Less were confused.What measurement was the president using to get to this figure? Barrels of oil produced a day? Reserves of oil in the ground? It’s hard to make any of these stats add up.To find out whether there was any truth in the claim,
Has the UK’s productivity puzzle been solved?
Has the UK’s productivity puzzle been solved? Sep 23, 2026 1744 Tim Harford investigates some of the numbers in the news. This week:(00:42) Frustrated economists have been left rending their garments and howling in the streets after the UK’s ‘productivity puzzle’ - a decade-long head-scratching, soul-searching conundrum - disappeared with a click of the fingers and a tweak of the methodology. Should the Office for National Statistics have acted sooner? We ask
Are carrots becoming less nutritious?
Are carrots becoming less nutritious? Sep 19, 2026 538 Are fruit and vegetables less nutritious than they used to be? And is declining soil quality to blame? Loyal listener Sarah got in touch to ask us to investigate an interesting quote from Dr Karan Rajan in a BBC news story. “We know our soil is not as nutrient dense as it was decades ago,” he said. “So a carrot in the 1950s will be far more nutrient-rich than a 2026 carrot.” Is this really true? w
Are bad teeth the number one reason kids go to A&E?
Are bad teeth the number one reason kids go to A&E? Sep 16, 2026 1708 Tim Harford investigates some of the numbers in the news. This week:(00:33) Are crumbling teeth the number one reason children attend A&E? We drill down into the dental health of the nation’s kids.(08:20) The US Ambassador to Israel Mike Huckabee has claimed that a quarter of pharmaceuticals used in the UK come from Israel. We check the facts.(13:20) Is former Education Secretary Michael Gove
Could this be the strongest El Niño in 1,000 Years?
Could this be the strongest El Niño in 1,000 Years? Sep 12, 2026 537 Every year, climate scientists keep a close eye on data coming out of a particular area of the Pacific Ocean. They’re trying to measure the scale of a climate phenomenon - the El Niño event or effect. This is a naturally occurring phenomenon where ocean surface temperatures rise, transferring warmth from the ocean to the atmosphere. This can drive up global temperatures but also play havoc with w
Why are so many ex-prisoners being sent back to prison?
Why are so many ex-prisoners being sent back to prison? Sep 9, 2026 1711 Tim Harford investigates some of the numbers in the news. This week:(00:38) The number of people being recalled to prison after early release in England and Wales is rising sharply. Why?(07:37) Is the UK millionaire an endangered species? We ask Duncan Weldon - he’s like David Attenborough, but for economics.(14:21) A viral graph seems to show that Europe is having a record low year for wildfires.

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