Tim Harford and the More or Less team try to make sense of the statistics which surround us. From BBC Radio 4
Are there 21 million slaves in the world today? Director of 12 Years a Slave, Steve McQueen, made this claim at both the Oscars and the BAFTAs while accepting awards. More or Less looks into the definition of a slave, where they can be found, and explores how they can be counted. This programme was first broadcast on the BBC World Service.
Becoming a pro on practice alone – is that possible? Or do you need innate talent? After reading books promoting the idea, a photographer with no natural talent explains how he is practising for 10,000, hours to become a professional golfer. We hear David Epstein, author of 'The Sports Gene', and Malcolm Gladwell, author of 'Outliers' explain their views on whether you need innate ability. This programme was first broadcast on the BBC World Service.
The rise and fall of an online epidemic: How studying the spread of infectious diseases suggests the global drinking craze Neknomination will fizzle out. Drinkers post videos of their exploits and nominate others to do the same – but eventually the fad will run out of steam says epidemiologist Adam Kucharski from the London School of Hygiene and Tropical Medicine. Plus, while politicians debate how much to tax the rich in France and the UK– we look at which countries levy the highest and the low...
Can economics help you find love? Tim Harford and the team look at the maths behind modern match-making. Economist Michele Belot from the University of Edinburgh explains why women are pickier than men at speed dating events. Plus - how analysing numbers from online dating agencies can help improve the chances of finding a partner: a personal story by Amy Webb, CEO of digital strategists Webbmedia Group. This programme was first broadcast on the BBC World Service.
In the US, more people are dying from drug overdoses than from road traffic accidents and firearms. As headlines are filled with the news that actor Philip Seymour Hoffman died from an overdose recently, the team takes a look at the number of deaths from drug overdoses of both illegal and prescription drugs in the US and the rest of the world. This programme was first broadcast on the BBC World Service.
How much do migrants cost or benefit a nation? Plus, planning a wedding - when you have friends and family all around the world and a finite number of places at the venue, how do you work out how many invitations to send? Tim Harford speaks to a couple who thought statistics might have the answer. This programme was first broadcast on the BBC World Service.
Chancellor George Osborne says a 50p tax rate does not bring in much revenue; Shadow Chancellor Ed Balls says it does. Tim Harford takes a look at why it is so hard to pin down how much tax is owed by the wealthy. Plus, have wages risen? How much does it cost to raise a child? Who do you invite to your wedding?
Do two large glasses of wine triple your risk of mouth cancer, as claimed on a health leaflet spotted by a sceptical listener? Tim Harford examines the difficulties of extracting smoking from the equation. Surprising as this may seem, one of the world's best tennis players of all time, Roger Federer, is also the worst ranked player on one scale. The scoring system makes it possible to lose a match despite winning more points, and Federer has lost the highest percentage of these types of games. T...
What does a detailed look at immigration statistics tell us about the benefits, or otherwise, of welcoming overseas citizens? Plus, is it true that by the age of 60, more than twice as many women as men are single, and that older men are often living with younger men? Do two large glasses of wine triple your risk of mouth cancer? And which of the world's best tennis players of all time is also the worst-ranked player in one sense. Tim Harford presents.
An apple-a-day will actually keep the doctors away, according to a study in the Christmas edition of the British Medical Journal. It generated headlines around the world. But were the media right to take the story so seriously? Tim interviews one of the study’s authors and critic Paul Marantz. And, mathemagical mind-reading: Jolyon Jenkins reveals the maths behind a classic long-distance mind-reading card trick. Presenter: Tim Harford. Producer: Ruth Alexander. This programme was first broadcast...
Tim Harford discovers that health statistics contradict a report which says obesity is worsening. Plus, he fact-checks: armed police shooting statistics; reports that the UK's had the worst winter storms in 20 years; media reports about controversial Channel 4 programme, Benefits Street; a study that says an apple-a-day really keeps the doctor away.
In Iraq, estimates of the death count since the war started 2003 range from 100,000 to about one million. Tim Harford explores why such a range exists and what methods are used to count those killed during war. Meanwhile he discovers that Iraq's population has been growing strongly over the same period. Plus, mathematician and comedian Matt Parker presents his guide to the imperial measurement system. This programme was first broadcast on the BBC World Service.
Most deaths occur in this week of the year - Tim Harford asks why. He also asks: are there really two million millionaire pensioners in the UK, and how many people have died in Iraq since 2003? Plus, mathematician and comedian, Matt Parker, apologises for his previous apology.
A guide to 2013 in numbers - the most informative, interesting and idiosyncratic statistics of the year discussed by More or Less interviewees. Contributors: Dr Pippa Malmgren, President and founder of Principalis Asset Management; Merryn Somerset-Webb, Editor in Chief of MoneyWeek; Helen Arney, Comedian and Presenter. Producer: Ben Carter. This programme was first broadcast on the BBC World Service.
When the government announced that fees charged by pension providers could be capped, some listeners were sceptical that the benefits could be as great as was being claimed. Tim Harford and Money Box presenter Paul Lewis explain why the numbers do add up. It's claimed that an average of 100,000 Christians die as martyrs every year; Ruth Alexander and Tim Harford fact-check the widely-quoted statistic. Plus, Number Hub mathematician Matt Parker presents his guide to imperial measures; is Britain'...
A guide to 2013 in numbers - the most informative, interesting and idiosyncratic statistics of the year discussed by More or Less interviewees. Contributors: David Spiegelhalter, Professor for the Public Understanding of Risk at Cambridge University; Linda Yueh, BBC Chief Business Correspondent; Simon Singh, author of The Simpsons and Their Mathematical Secrets. Producer: Ben Carter. This programme was first broadcast on the BBC World Service.
A guide to 2013 in numbers - the most informative, interesting and idiosyncratic statistics of the year discussed by More or Less interviewees. Contributors: David Spiegelhalter, Winton professor for the public understanding of risk at Cambridge University; Linda Yueh, BBC chief business correspondent; Simon Singh, author of The Simpsons and Their Mathematical Secrets; Dr Pippa Malmgren, president and founder of Principalis Asset Management; Paul Lewis; presenter of BBC Radio 4's Money Box progr...
It has been reported that global wine supplies are running low. But shops still seem to be well-stocked. So, what is going on? Tim Harford fact-checks the claim. Plus, are the four festive football fixtures as crucial to Premier League teams as many claim? This programme was first broadcast on the BBC World Service.
About 80,000 children will wake up homeless on Christmas Day, according to the charity Shelter. What exactly does that mean? Tim Harford explores the statistic. Plus, he fact-checks the news reports of a global wine shortage; and a magician, who exploits the maths of card shuffling, attempts to read his mind. Also, are the four festive football fixtures as crucial to Premier League teams as many claim? And, in tribute to the former BBC economics editor, Stephanie Flanders, listen to what was per...
It is claimed white South Africans are being systematically killed because of the colour of their skin, but do the crime statistics back this up? No, explains Julian Rademeyer from Africa Check and Johan Burger from the Institute of Security Studies in Pretoria. Presenter: Ruth Alexander. This programme was first broadcast on the BBC World Service.
The publication of the latest international education league table has created waves around the world. From Shanghai at the top of the table to Peru at the bottom, the PISA rankings create a lot of discussion about the best way to teach children. In some countries the OECD-led ratings are taken so seriously that education policy has been changed to try to improve national performance. But is the league table really as definitive as many people believe? Ruth Alexander looks behind the numbers. Pr...
Ahead of the 2014 World Cup draw next Friday, we look at world football rankings. How are Switzerland seeded when the Netherlands, Italy and England are not? The answer lies in the playing of friendly games, which can be incredibly unfriendly to your ranking if you play the wrong team at the wrong time. This programme was first broadcast on the BBC World Service.
Ruth Alexander speaks to a statistician at the forefront of cancer research, Professor Terry Speed. He has just been awarded the Prime Minister’s Prize for Science in Australia. This programme was first broadcast on the BBC World Service.
Sachin Ramesh Tendulkar has amassed 15,847 test runs, which is 2,500 more runs than any other batsman. But other ways have been devised to calculate cricketing greatness and the Little Master, as he has become known, does not feature as prominently in a lot of them. More or Less crunches the numbers. This programme was first broadcast on the BBC World Service.
To what degree do our personal opinions cloud our judgement? Yale University researchers have attempted to detect and measure how our political beliefs affect our ability to make rational decisions. The study suggests that our ability to do maths plummets when we are looking at data which clashes with our worldview. Ruth Alexander and Ben Carter consider Professor Dan Kahan's findings. This programme was first broadcast on the BBC World Service.
It is claimed an average of 100,000 Christians have died because of their faith every year for the past decade: and that this is an 'unreported catastrophe'. The Vatican has called it a credible number. But is it? Ruth Alexander and Wesley Stephenson report.
Women in their late thirties shouldn’t be as anxious about their prospects of having a baby as is commonly assumed, psychologist Jean Twenge argues. Tim Harford finds fertility experts agree. This programme was first broadcast on the BBC World Service.
Tim Harford tells the story of how two economists who disagree with each other have been jointly awarded the Nobel Prize. Eugene Fama has shown that stock markets are efficient, while Robert Shiller has shown that they're not. Tim interviews both professors about their findings, and this apparent contradiction.
Tim Harford tells the story of the Hawthorne Experiments, one of the most famous social studies of the Twentieth Century. The finding – that workers are more productive if they are given attention - became known as the Hawthorne Effect. And he hears how the original data are now casting doubt on the legendary results. This programme was first broadcast on the BBC World Service.
Has the mosquito killed half the people who have ever lived? Tim Harford assesses the claim. Are 96 elephants a day being killed in Africa? Plus, a return to the subject of left-handers – could it be true that they're more likely to be criminal masterminds? This programme was first broadcast on the BBC World Service.
