

More or Less: Behind the Stats
BBC Radio 4
Tim Harford and the More or Less team try to make sense of the statistics which surround us. From BBC Radio 4
Episodes
Mentioned books

50 snips
Aug 30, 2025 • 9min
Are self-driving cars safer than cars with drivers?
Fully autonomous cars are here, but are they truly safer than those driven by humans? Explore the surprising truth behind safety claims by companies like Waymo and Tesla. The discussion unpacks safety statistics, revealing that machines may not be as foolproof as assumed. Discover the complexities in comparing driver-assisted vehicles with fully autonomous ones, and learn why operational differences can skew our understanding of safety data. Get ready to challenge your perceptions of self-driving technology!

20 snips
Aug 23, 2025 • 9min
Do women feel the cold more than men?
Is summer really a ‘women’s winter’? Discover why women often feel the cold more than men, from metabolic differences to hormonal influences. The podcast humorously discusses the quirks of office temperatures and suggests that a one-size-fits-all approach isn’t working. Learn about innovative solutions like Japan’s 'super cool biz' initiative and the importance of flexible attire in creating comfortable workplaces. Tune in for a warm take on a chilly issue!

17 snips
Aug 16, 2025 • 9min
How weird was the Med Sea heatwave?
In July, the Mediterranean Sea hit shocking surface temperatures, sparking a viral claim about a once-in-216 billion years anomaly. Dr. Jules Kajtar dives into the statistics to debunk this myth. The analysis reveals a troubling rise in sea temperatures, escalating by 3 to 4 degrees since the 1980s. Utilizing satellite technology, they discuss how these anomalies represent a significant shift due to climate change. The conversation also unpacks statistical modeling techniques, including Gaussian distributions, to provide deeper insights into this alarming trend.

42 snips
Aug 9, 2025 • 9min
Why it matters that Trump fired data chief
Michael Strain, an economist at the American Enterprise Institute and a Georgetown professor, dives into the fallout from President Trump's firing of the Bureau of Labor Statistics chief. He discusses the significant job report revisions that triggered this political upheaval, questioning how such actions impact public trust in vital economic data. Strain emphasizes the risks posed to the U.S. economy by undermining statistical integrity, highlighting the critical need for reliability in economic reporting amid political pressures.

10 snips
Aug 6, 2025 • 9min
Are abortion numbers rising in the US?
The discussion dives into the surprising increase in abortion rates in the U.S. following the Dobbs decision. It explores how restrictive laws haven't deterred access, thanks in part to telehealth options and cross-state travel. Insights from experts reveal demographic shifts and public policy implications that complicate the narrative around declining abortion numbers. The episode sheds light on historical contexts and the evolving landscape of abortion laws amidst legal challenges.

26 snips
Aug 6, 2025 • 9min
Does a single AI query use a bottle of water?
Explore the surprising environmental impact of artificial intelligence, focusing on the water consumption tied to AI queries. Discover how data centers use significant amounts of water for cooling systems, and unravel the myths surrounding the notion that each AI interaction equates to a bottle of water. Learn about the differences in water usage between various AI models and the need for more transparency regarding their environmental effects. Dive into the fascinating intersection of technology and sustainability!

30 snips
Jul 19, 2025 • 9min
Are one in six children living through war?
Amidst a celebrity soccer match, shocking statistics reveal that one in six children endure the effects of war. Experts dive into the differences between 'conflict' and 'war,' uncovering how children are affected by violence within a 50-kilometer radius of conflict zones. The discussion highlights various types of conflicts and the psychological scars they inflict on young lives. With complexities in measuring violence's impact, the need for a nuanced understanding becomes crucial in advocating for these vulnerable children.

21 snips
Jul 12, 2025 • 9min
Why Manchester United can afford to play badly
Kieran Maguire, a football finance expert and author of The Price of Football, sheds light on the baffling success of Manchester United despite their poor performance. He explains how the club remains the second most valuable in the world due to strategic sponsorships and a dedicated global fanbase. Maguire discusses the financial powerhouses of elite teams, comparing revenue streams among clubs and revealing how commercial success can bolster a team even when they play badly. This captivating conversation dives deep into the economics behind the beautiful game.

Jul 9, 2025 • 27min
Can drinking one less bottle of coke a day halve obesity?
A bottle of Coke a day might seem harmless, but could it be the key to cutting obesity rates? The complexities of weight loss reveal that simple calorie cuts aren't always effective. Plus, learn about London's surprising baby demographics and the rising number of foreign-born parents. The podcast also tackles why UK electricity prices are soaring and how the war in Ukraine influences those costs. Lastly, the puzzling claim about 37 million churches worldwide comes under scrutiny, making you question just how many places of worship truly exist.

22 snips
Jul 5, 2025 • 9min
The economics of war: Vikings, Conquistadors and Vietnam
Duncan Weldon, an economist and journalist, explores the intricate relationship between economics and warfare in his book, Blood and Treasure. He discusses how Viking raids unexpectedly boosted European trade by transforming raiders into protectors. Weldon also delves into Spain's economic downfall post-conquest, showcasing the unsustainable reliance on New World riches. Lastly, he critiques U.S. strategies in the Vietnam War, revealing the economic miscalculations that underpinned extensive bombing campaigns and the underestimated resilience of North Vietnam.