More or Less

As the FIFA World Cup in Qatar gets underway, and the newly built stadia, lavish hotels and transport networks come to life, More or Less investigates just how much the Gulf nation has spent in the lead-up to the tournament. Reports claim the figure could be as much as $220 billion - that’s more than Qatar's annual GDP, and more than ten times higher than the 2014 World Cup in Brazil. At an estima...

Tim Harford brings you the first episode of his new podcast, Understand the Economy. If you’ve been missing his dulcet tones, here’s a chance for you to have a preview of Tim Harford’s latest podcast, in which he offers really simple explanations to help make sense of the economy today. If you enjoy it, you can find the rest of the series on BBC Sounds or wherever you get your podcasts. In this ep...

How can journalists improve their use of statistics in their reporting of the world around us? It’s a question US academics John Bailer and Rosemary Pennington tackle in their new book Statistics Behind the Headlines. They join Tim Harford to talk about how journalism can be improved by asking the right questions about numbers and using them in the wider context of a story. Presenter: Tim Harford...

Lula Da Silva has pledged “zero deforestation” in the Amazon as he prepares to become Brazil’s next president, in contrast to the policies of outgoing leader Jair Bolsonaro under whom the destruction of the rainforest has soared. On this edition of More or Less we ask how much of the Amazon has been lost and whether Lula’s aim of zero deforestation can be achieved. Presenter and producer: Jon Bith...

This week, China released its third quarter GDP figure. At 3.9%, its rate of economic growth is better than many analysts expected, but still significantly short of the 5.5% target the Chinese government had set itself. There was an unprecedented delay in releasing this particular GDP stat - and that delay coincided with the 20th Chinese Communist Party congress. President Xi Jinping was reappoint...

A US government lawyer recently caused a stir in the publishing world when he said during a high profile legal trial that half of all new trade titles – books aimed at a general audience - sell a dozen copies or less. Tim Harford investigates with the help of Kristen McLean from the NPD Books group. Presenter: Tim Harford Producers: Octavia Woodward, Jon Bithrey Editor: Emma Rippon Production Coor...

The former head of the US Federal Reserve Ben Bernanke is named as one of three winners of the 2022 Nobel Prize in Economic Sciences for his work on how banking collapses were a major factor in the Great Depression of the 1930s. He shares the prize with two fellow US academics, Douglas Diamond and Philip Dybvig. Tim Harford discusses the significance of their work focusing on the role of banks and...

A cheating scandal is currently rocking the world of chess, as World Champion Magnus Carlsen accuses the young American Hans Niemann of cheating. A bombshell new report has said that Niemann is likely to have cheated in over 100 games online, and uses data to support its argument. So how is statistics being used to catch cheats in chess - and just how prevalent might cheating be at the highest lev...

A survey from a mental health charity suggested that more than a third of British teenagers had been prescribed antidepressants. We debunk the figure. Also we investigate a tweet from the UK Treasury about how much homebuyers will save in stamp duty. Plus how Mexico has been hit by earthquakes three times on the same day of the year - what are the chances? And how incorrect figures from the govern...

This week NASA slammed a spacecraft into an asteroid in the hope of diverting its course. The Double Asteroid Redirection Test or DART mission will help scientists understand how easy it would be protect Earth if one was headed in our direction. More Or Less first discussed this in 2016 with a little help from the movie Armageddon – with listeners getting in touch once again we ask how many astero...

The value of the pound against other currencies has been incredibly volatile ever since the Chancellor’s ‘mini-budget’. We ask how much we should worry and look at how much taxes will really fall. Also did 4.1 billion people really watch the Queen’s funeral? Gas prices are falling – so why aren’t energy bills? There are early signs that new covid variants could cause another spike in cases over th...

Ukraine has reportedly recaptured nearly 10,000 square kilometres of territory that had been occupied by Russia. We ask where the numbers come from and what they mean. Plus with Norway supplanting Russia to become Europe’s biggest supplier of natural gas, we ask how much money the country is making from the increased demand and higher prices. Presenter: Tim Harford Producer: Jon Bithrey Editor: Ri...

Ukraine has reportedly recaptured nearly 10,000 square kilometres of territory that had been occupied by Russia. We ask where the numbers come from, what they mean and why everyone is comparing them to the size of Greater London. We ask how much money Norway is making out of the current energy crisis. Also why is the pound so weak against the dollar, some odd claims about women and exercise and do...

Is fashion really the second most polluting industry after oil and does it account for 10% of greenhouse gas emissions? Sustainable fashion journalist Alden Wicker does some fashion fact checking with Adam Fleming, presenter of BBC podcast and Radio 4 programme Antisocial. And reporter Charlotte McDonald revisits a claim made in an edition of More or Less last month about the effectiveness of usin...

One of Liz Truss's first acts as Prime Minister was to announce a giant plan to protect domestic energy users from huge rises in wholesale gas and electricity costs, meaning a typical household will pay about £1000 less than otherwise would have been the case. We ask how much the Energy Price Guarantee will cost the government and also explain what a “typical” household really is. A consultation h...

Pakistan is battling a huge natural disaster as a result of heavy monsoon rains. It’s been widely reported that a third of the country is under water. But can that really be the case? Featuring the BBC’s correspondent in Pakistan Pumza Fihlani and Dr Simon Cook, a senior lecturer in Environmental Science at the University of Dundee. Presenter: Tim Harford Producer: Jon Bithrey Editor: Richard Vado...

Devastating floods have wreaked havoc across Pakistan after the heaviest monsoon rains in at least a decade. But is a third of the country really under water, as has been claimed? Also why do electricity prices in the UK rise in line with gas prices when we get so much of our power from other sources like nuclear, wind and solar? As criminal barristers go on strike in England and Wales, we ask if...

Daily advances in the technology of artificial intelligence may leave humans playing catch-up – but in at least one area we can still retain an edge, mathematics. However it’ll require changes in how we think about and teach maths and we may still have to leave the simple adding up to the computers. Junaid Mubeen, author of Mathematical Intelligence, tells Tim Harford what it’ll take to stay ahead...

With energy prices in the UK spiralling, Tim Harford asks whether there is an easy and realistic way for bills to be cut. Also the number of excess deaths in the UK is rising – we’ll hear how much covid is still to blame. We return to the subject of counting in twenties, this time hearing how the Welsh language mixes traditional and decimal systems. And we debunk some spurious social media claims...

When the official figures were announced in Kenya’s presidential election, it looked like the total percentage share of the vote for each candidate came to more than 100%. As this should not be possible, many wondered if up to 142,000 votes might be miscounted. We explore what turns out to be a simple mathematical misunderstanding of the numbers.

Videos on TikTok have been claiming that so-called “natural” birth control methods can be 99% effective. We examine what we really know, and how we know it.

The opinion polling industry’s reputation has taken a battering in recent years, as high profile slip-ups in the US presidential election exposed frailties. So should we write them off? Not according to Economist data journalist G Elliot Morris, who’s written a book called Strength in Numbers: How Polls Work and Why We Need Them. Presenter: Tim Harford Producer: Jon Bithrey Editor: Richard Vadon P...

Ahead of the opening of the new season of the English Premier League, baseless rumours and dodgy statistics circulating online have implied that Liverpool FC use asthma medication to enhance their players’ performance. Ben Carter speaks to sports scientist Professor John Dickinson to examine the science that disproves these rumour, and tracks down its original source with the help of Mike Wendling...

Why do we measure the world around us in the way we do? There is a rich history to be explored - from measuring the depth of the Nile in Ancient Egypt to the central role the French played in developing the metric system and the ultra-precise measurement systems we use today. Presenter Tim Harford is joined by journalist and author James Vincent to discuss the political, social and technological f...

US athlete Devon Allen has made global headlines this week after being disqualified from the 110m hurdles final at the World Athletics Championship in Eugene, Oregon. He was judged to have left the starting blocks a thousandth of a second too early. On More or Less we crunch the numbers behind false starts in athletics, asking how quick is too quick when it comes to reacting to a starting gun and...