

More or Less
BBC Radio 4
Tim Harford explains - and sometimes debunks - the numbers and statistics used in political debate, the news and everyday life
Episodes
Mentioned books

Feb 13, 2022 • 9min
Testosterone and sport
In early December 2021 a member of Penn University Women’s Swim Team caused a stir. Lia Thomas not only won three events but she had the fastest time in elite college swimming in the country in two out of three races. This achievement reignited a debate as Lia Thomas is a transgender woman; we examine the rules around testosterone and trans women’s participation in elite sport.

Feb 9, 2022 • 29min
The prime minister in statistical bother
The podcast tackles Boris Johnson's misleading claims about employment and crime, revealing a troubling narrative at odds with reality. It dives into the complexities of crime statistics, highlighting discrepancies and the need for accountability. The discussion transitions to the contentious policies around trans women's participation in sports, examining fairness and physiological advantages. Lastly, it ventures into the mysterious world of fungi, uncovering the vast number of undiscovered species and the challenges researchers face.

Feb 6, 2022 • 9min
Can you fool your brain?
Have you ever wondered how your expectations can influence your well-being? This discussion dives into the power of the placebo effect and its surprising impact on health. A study on hotel workers reveals how belief can transform perceptions of exercise. However, skepticism remains, as not all myths about the placebo effect hold water. Tune in for a fascinating exploration of how our minds can shape our physical experiences—could the right mindset truly lead to better health?

Feb 2, 2022 • 29min
Does the UK have the fastest growing economy in the G7?
Conservative politicians have taken to the airwaves to tell us to forget the parties, and just look at the economic growth - but is the UK really growing faster than other leading economies?The Omicron variant has raised the chance that people are re-infected with Covid - how common is that, and should it change the way we read the statistics that are reported each day?The great statistician Sir David Cox has died; we remember his life and his contribution to the science of counting.And does comparing the number of food banks to the number of McDonald’s restaurants in the UK tell us anything about food poverty?

Jan 30, 2022 • 9min
Fertility rates: baby boom or bust?
Despite lockdowns bringing couples closer, global birth rates are actually declining. Economic uncertainties are reshaping family planning, with countries like the U.S. and China facing significant drops, while Nigeria continues to see high rates. The podcast discusses how policies like China's three-child initiative respond to this crisis. It delves into the challenges of affordable childcare and work-life balance that affect fertility decisions today. Ultimately, the conversation raises concerns about the future of family planning and the economy.

Jan 26, 2022 • 28min
Should you follow the 5 second rule? And does inflation hit the poorest harder?
Food writer Jack Monroe sparked national debate this week when she tweeted about food price hikes on the cheapest goods in supermarkets - but does inflation really hit low income households hardest?Social media and some news outlets have spread claims this week that only around 17,000 people have actually died of Covid. We debunk.We test the truth of the five second rule - is it a good idea to eat watermelon within five seconds of dropping it on the floor? And can you think yourself better?

Jan 23, 2022 • 11min
Are female patients more likely to die if the surgeon is male?
This discussion investigates a striking claim that women are more likely to die after surgeries performed by male surgeons. It dives into a decade-long study highlighting gender disparities in surgical outcomes. The conversation emphasizes the complexity behind the statistics, exploring how these claims may oversimplify important factors. It challenges listeners to reflect on the nuances of gender dynamics in healthcare, urging a deeper understanding of the relationship between patient and surgeon.

Jan 19, 2022 • 29min
Are women 32% more likely to die after operation by a male surgeon?
Are women 32% more likely to die after operation by a male surgeon? Headlines asserting this were shared across social media recently - but the truth is a bit more complicated.We compare the price and the quality of the UK’s Test and Trace system with that of Germany and check on what’s happening to the Covid death toll during the Omicron wave.And we investigate the worrying statistic that one in ten people are planning to start a podcast in the coming year.

Jan 16, 2022 • 9min
QAnon: Did 365,348 children go missing in the US in 2020?
The podcast delves into the shocking claim of 365,348 children missing in the U.S. in 2020, exploring its origins and the misinformation that fuels it. Conversations reveal how political figures and conspiracy theorists, like QAnon, amplify misleading statistics. The discussion also distinguishes between temporary disappearances and long-term cases, shedding light on the real context of these numbers. Ultimately, it highlights the dangers of sensationalism and the importance of factual accuracy in combating misinformation.

Jan 12, 2022 • 28min
Omicron, pandemic birth rates and boosters
The pandemic seems to be entering a new phase as Omicron has taken hold. Is it milder? And how might we make decisions based on the latest data?Predictions that lockdowns might lead to a baby boom have proven wrong - in fact fertility is falling.We re-examine a baffling claim about the number of children being abducted every year in the US after claims by a Republican politician on social media, and we run our statistical measuring tape up the inside leg of the government’s promise to give everyone a booster jab before New Year’s Day.


