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75% of people globally want unbiased news (Pew Research) but are concerned they're not getting that.

Get balanced coverage with Symby. See how stories are covered across diverse outlets and spot when one side covers a story the other skips.

PODCAST

More or Less

Tim Harford explains - and sometimes debunks - the numbers and statistics used in political debate, the news and everyday life

science mathematics

All Episodes

28:12

Student Loans

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2014/08/15

The cost of the government's new student loan system is rising according to a recent report. Tim Harford investigates whether the rising costs should have been foreseen, and whether the new system will end up costing more than the old one. Plus: mobile phone goldmines in our pockets; paedophilia in the priesthood and from machine learning to deep learning.

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9:30

WS MoreOrLess: Ebola

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2014/08/10

What do we know about how deadly the Ebola virus is, and how likely is it that there might be an outbreak of the virus in the United States or Europe?

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9:37

WS MoreOrLess: Fear of Flying

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2014/08/02

After three tragic airline incidents in eight days, is flying becoming more dangerous? Wesley Stephenson looks at the statistics behind air travel to find out? And which is the most successful nation in Commonwealth Games history? Australia, Canada, England – not even close. This programme was first broadcast on the BBC World Service.

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9:36

WS MoreOrLess: The prevalence of paedophilia?

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2014/07/26

The Pope was reported to have said that 2% of Catholic clergy were paedophiles. Is this a big number? Wesley Stephenson looks at the research on the prevalence of paedophilia and how the Catholic clergy compare to the world's population as a whole. This programme was first broadcast on the BBC World Service.

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9:36

WS MoreOrLess: The Tour de France

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2014/07/19

The Tour de France has reached the mountains, but what does it take to be a good climber and why are the cyclists thin and bony, while sprinters are bigger with bulging muscles? And what is the best body type to win the yellow jersey? Also are 24,000 people really killed by lightning each year? This programme was first broadcast on the BBC World Service.

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9:36

WS MoreOrLess: Golden Ticket

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2014/07/12

In Roald Dahl’s novel "Charlie and the Chocolate Factory", Charlie Bucket wins a golden ticket to visit Willy Wonka’s factory. But one of our younger More or Less listeners in England wanted to find out what the chances would be of winning one of those Golden Tickets. So we sent maths book author Rob Eastaway to her school in Derby to explain the answer to her class-mates - a must-listen for anyone who struggles to get their head around probability. Also on the programme we look at whether the age

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9:36

Will we die before our parents?

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2014/07/05

Obesity may mean children have a shorter lifespan than their parents, it has been claimed, but is this true? Ruth Alexander looks at the data and explores the 'Obesity Paradox' – the idea that overweight people are less likely to die than those of normal weight. She also questions whether the promise of bonuses in The World Cup has improved performances. This programme was first broadcast on the BBC World Service.

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9:36

WS MoreOrLess: Is this the greatest world cup ever?

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2014/06/28

As we reach the end of the group stage are we really witnessing the greatest world cup ever? Ruth Alexander casts a sceptical eye over the statistics. She also takes a look at the possession stats to see if we’re seeing the death of tiki-taka with the help of Michael Cox from ZonalMarking.net. This programme was first broadcast on the BBC World Service.

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9:36

WS MoreOrLess: Money for nothing?

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2014/06/21

When it comes to aid, what works best – giving people food, shelter, medicine, or just handing over cash and letting them spend it how they like? One group of researchers went to a Kenyan village to try to answer this question and to do so they also employed a new tool - randomised controlled testing. RCTs have long been the gold standard for measuring whether medical drugs work, but could they revolutionise how we measure the impact of aid?

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9:36

WS MoreOrLess: Heads Or Tails?

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2014/06/16

Freakonomics guru Steven Levitt joins us to talk about an unusual experiment – getting people to agree to make major life decisions based on the toss of a coin. Is this really good social science? And what do the results tell us about decision making and happiness? And with 365 days in the year, it feels like a huge coincidence when we meet someone with the same birthday. But you only need 23 people to have a better than even chance that two will share a birthday. This counter-intuitive result is

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28:15

Faith and Charity?

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2014/06/13

"Religion Makes People More Generous"- according to The Daily Telegraph's interpretation of a new BBC poll on charitable giving. Tim Harford investigates whether there is a link between practising a religion and whether we give. Plus: Big data - the hype says it will help deliver everything from increased corporate profits to better healthcare but are we being blinded to basic statistical lessons learned over the past two hundred years? And it feels like a huge coincidence, but you only need 23

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9:35

WS MoreOrLess: 'Spurious Correlations'

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2014/06/09

Is the divorce rate in the US state of Maine linked to margarine consumption? It's one of many pairs of statistics featured on the 'Spurious Correlations' website started recently by Tyler Vigen. We talk to him about some of the funniest correlations he's found and the serious point he's trying to make. Plus: World Cup Office Sweepstake strategy. This programme was first broadcast on the BBC World Service.

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28:04

What's Scottish Independence Worth?

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2014/06/06

Scottish independence - yes or no? Which will line your pocket more? The Scottish government says a Yes vote will leave Scots £1,000 each better off; the UK treasury says a No vote means a £1,400 bonus for Scots. More or Less looks at exactly what these claims mean, the key assumptions underlying them, and asks whether either number is likely to be accurate. Plus: the "zombie" statistic that each year 100,000 Christians are martyred around the world; getting people to agree to make major life

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9:35

WS MoreOrLess: The Piketty Affair

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2014/06/02

Did 'rock-star' French economist Thomas Piketty get his numbers wrong? His theories about rising inequality and the increasing importance of capital have been the talk of the economic and political worlds this year. And part of their power has been the massive amount of data Piketty has brought together to back them. But the Financial Times claims to have found significant problems with Piketty's data on wealth. Tim Harford examines the FT's claims and Thomas Piketty's response. This programme was

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27:56

The Piketty Affair

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2014/05/30

Did 'rock-star' French economist Thomas Piketty get his numbers wrong? His theories about rising inequality and the increasing importance of capital have been the talk of the economic and political worlds this year. And part of their appeal has been the massive amount of data Piketty has brought together to back them. But the Financial Times claims to have found significant problems with Piketty's data on wealth, and says this undermines his claims about rising inequality. Tim Harford examines the

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9:34

WS MoreOrLess: Risk Savvy

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2014/05/26

A famous probability puzzle is discussed involving goats and game shows with German psychologist Gerd Gigerenzer. Is he right to suggest in his new book 'Risk Savvy' that we really don't understand risk and uncertainty? And More or Less listeners weigh in on a problem from last week’s programme - how old will you be before you're guaranteed to celebrate a major, round-number birthday (like 40 or 50) on a weekend?

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28:21

Romanian Crime

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2014/05/23

Are the statistics put forward by UKIP accurate, and are Romanians responsible for more crime than other nationalities? Plus: Gerd Gigerenzer on the famous probability puzzle involving goats and game shows; do 24,000 people die every year from lightning strikes globally; how old will you be before you're guaranteed a round-number birthday on a weekend; and is the divorce rate in the US state of Maine linked to margarine consumption?

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9:34

WS MoreOrLess: Did global poverty halve overnight?

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2014/05/19

Did the number of people around the world living in extreme poverty fall by half a few weeks ago? That's one interpretation of newly released figures for purchasing power parity around the world. The figures compiled by the International Comparison Programme of the World Bank show that in a lot of poorer countries, things are cheaper than we had thought. One development think tank has suggested that if people in these countries can afford to buy more, fewer of them will fall under the World Bank's

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28:16

Tax Dodgers and Benefits Cheats

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2014/05/16

Does the government have lots of people chasing the relatively small amounts lost to benefits cheats, while massive amounts of tax evasion are barely investigated? Plus: did global poverty fall by half a few weeks ago; Eurovision data crunching; Willy Wonka's coveted 'Golden Tickets' and is London the 6th biggest French city?

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9:35

WS MoreOrLess: Brazil’s Maths Superstar

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2014/05/12

The Man Who Counted, a book of 'Arabic' mathematical tales written by Middle Eastern scholar Malba Tahan was published in Brazil in the 1930s. It became a huge success. Malba Tahan's birthday, May 6th, is now celebrated as Brazil's National Day of Mathematics. But the author wasn't who everybody thought he was. Alex Bellos tells his story. This programme was first broadcast on the BBC World Service.

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