

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

Sep 29, 2021 • 29min
Is it easy being green?
Discover why electricity prices in the UK are soaring and how Brexit impacts energy trading. Delve into the surprising state of home insulation, with claims that the UK has some of the least efficient homes in Europe. Unpack the complex narrative surrounding migrants crossing the Channel and challenge common stereotypes about different generations. Finally, learn about the UK's low forest coverage and the historical roots of deforestation, all while questioning the data behind these pressing issues.

Sep 22, 2021 • 28min
Covid trends, face mask use, and the universal credit cut
Explore the shifting landscape of Covid statistics and how perceptions of mask usage might be misleading, as a shocking claim of 129 billion masks daily gets dissected. Delve into the complexities of the Universal Credit system, revealing the stark differences in estimated work hours needed to compensate for cuts. Plus, uncover fascinating insights about the historical changes in women's menstrual patterns and ponder the curious nature of holes in everyday objects. This podcast is a whirlwind of numbers, history, and intriguing concepts!

Sep 19, 2021 • 9min
How many holes are there in a drinking straw?
Dive into the mind-bending world of geometry and drinking straws! Explore the question of how many holes are in a straw and the surprising complexities of defining a 'hole.' Discover how mathematical concepts relate to real-world issues like pandemics and electoral predictions. Learn the importance of clear definitions in statistics and how they shape our understanding of vaccine efficacy. Finally, enjoy a playful yet insightful conclusion about the theoretical number of holes, landing at the answer of two.

Sep 15, 2021 • 28min
Death, Tax and Dishwashers
Recent data raises eyebrows as it seems double-vaxxed people are contracting Covid more than the unvaccinated, but the truth lies in the estimation methods. 2020 was deemed the deadliest year in a century, and we assess how 2021 is faring. We applaud Emma Raducanu's stunning US Open victory while navigating the debate between dishwashers and sinks. Join in on a humorous yet informative analysis of hand washing versus machine washing, revealing surprising insights about their environmental impact.

Sep 8, 2021 • 28min
Vaccine waning, hot dogs and Afghanistan
Is vaccine protection against Covid-19 declining? Discover the intriguing link between hot dogs and life expectancy, with shocking health implications. Dive into the mystery of UK government debt ownership and its financial nuances. Explore the staggering costs of the Afghanistan war, totaling $2.3 trillion, and debate the opportunity costs of U.S. defense spending. These captivating discussions blend health, economics, and unexpected truths, all through the lens of statistics.

Sep 4, 2021 • 9min
The Bill for Afghanistan
Dive into the staggering financial toll of the U.S. military presence in Afghanistan, with costs exceeding $2 trillion. Explore the implications of this spending on the national defense budget. Discover how nearly $1 trillion was spent during two decades of conflict, and examine the aftermath of leaving $85 billion in military equipment to the Taliban. Expert insights reveal the complexities in evaluating these expenditures and their long-term effects on public finances.

Sep 1, 2021 • 29min
Covid, HGV driver shortages and protest costs
After the lifting of Covid restrictions, predictions of hospitalizations fell drastically short of expectations. The cost of policing climate protests has hit £50 million since 2019, raising questions about resource allocation. A significant driver shortage in the UK, worsened by Brexit, reveals a need for over 100,000 more lorry drivers. Meanwhile, government debt has surged to £2.2 trillion, prompting comparisons to past financial crises. Surprisingly, it seems that even Mr. Spock may not be the logical genius we thought!

Aug 28, 2021 • 9min
Reason, numbers and Mr Spock
Julia Galef, author of 'The Scout Mindset,' joins Tim Harford to delve into how our human impulses often cloud rational thinking. They explore the wisdom of Mr. Spock from Star Trek, illustrating his misguided confidence in statistical predictions. The conversation highlights the differences between the scout and soldier mindsets, emphasizing objective truth-seeking over the comfort of familiar beliefs. They also discuss the importance of calibrating confidence in forecasts and recognizing uncertainty in decision-making.

7 snips
Aug 21, 2021 • 9min
The extraordinary life of Robert Moses
The podcast delves into the extraordinary life of Dr. Robert Moses, highlighting his impactful journey from Harlem to civil rights activism. His courageous role during the Freedom Summer Project in Mississippi showcases his fight against systemic racism. The discussion also celebrates the Algebra Project, which revolutionized math education for underserved students by linking real-life experiences to learning. Tune in for a gripping exploration of activism, education, and the enduring legacy of a true pioneer.

Aug 16, 2021 • 9min
How good were the performances at the Tokyo Olympics?
Dr. Joel Mason, a sports scientist and founder of the blog Trackademic, joins the discussion to analyze the standout performances from the Tokyo Olympics. He dives into the astonishing number of records broken, including national achievements soaring past those in Rio. They address the impact of technological advancements and unique training adaptations due to the pandemic. The conversation also touches on an inspiring moment of sportsmanship when two high jumpers chose to share gold instead of competing, highlighting the spirit of the Games.


