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

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PODCAST

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

science mathematics

All Episodes

28:26

Birds, Mozart, austerity, Thatcher

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2013/05/03

Birds + windows =? The BBC Quiz show The Unbelievable Truth reckons that more than 2 million birds die crashing into window panes every day in the US. Tim Harford finds this, well, unbelievable. Marcus du Sautoy explores the maths in Mozart's The Magic Flute; a student who uncovered a mistake in a famous economic paper, which has been used to make the case for austerity cuts, explains how he did it; and separating fact from fiction about Margaret Thatcher with a look at the numbers of her time in

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9:30

Are Man Utd a one-man team?

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2013/04/27

More or Less creates the Alternative Premier League, with lead scorer goals chalked off to work out whether it’s true that Van Persie’s really single-handedly won Manchester United’s the League? And would Tottenham be challenging for a Champions League spot without Gareth Bale’s goals? And how much bite has Luis Suarez’s contribution given Liverpool’s season? There are surprises, and one player really stands out as player of the season. Can you guess who it is? And, as an Italian Court overturns the

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9:30

Austerity: a spreadsheet error?

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2013/04/22

Tim Harford tells the story of the student who uncovered a mistake in a famous economic paper that has been used to make the case for austerity cuts. In 2010, two Harvard economists published an academic study, which showed that when government debt rises above 90% of annual economic output, growth falls significantly. As politicians tried to find answers to the global economic crisis, “Growth in a Time of Debt” by Carmen Reinhart and Kenneth Rogoff was cited by some of the key figures making the

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9:39

Thatcher in numbers

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2013/04/15

Baroness Margaret Thatcher, who has died aged 87, was Britain’s first female prime minister and one of the most influential political figures of the 20th Century. She was a pioneer of free market economics, helping to spread the ideas around the world. But the Iron lady was a divisive figure with passionate supporters and critics. Both hold to strong beliefs about what she did. But what does the data tell us about the many claims made about Mrs Thatcher?

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9:30

Communicating Risk

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2013/04/08

It’s the fourth anniversary of the earthquake which devastated the city of L’Aquila in Italy and which led to the conviction of six scientists and an official who failed to predict the disaster. Scientists and statisticians worldwide were alarmed at the six-year sentences for manslaughter the seven accused received. It was feared the prospect of being put on trial would put off scientists from even trying to communicate risk – a very difficult business. But the risk assessors’ pendulum seems to have

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9:30

That's not much gold

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2013/03/30

What if a super-villain took control of the world's gold a melted it in to a cube? How big would it be? Wesley Stephenson finds out.

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9:30

Can big data save lives?

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2013/03/25

With an avalanche of 2.5 quintillion bytes of data generated daily, could this be used to change our lives and does it have a darker side?

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9:31

Are there more black men in college or prison in the US?

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2013/03/18

Only last week Ivory Toldson heard the speaker say there are more black men in prison in America than in college. ‘Here we go again’ he thought. Only the week before he had written his second article on why this statistic is not true. This week Ruth Alexander looks at where this ‘fact’ came from and why it is still being used. Also, why the opinion polls got the Kenyan elections wrong.

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9:30

HIV in numbers

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2013/03/11

With the news that a baby has been ‘cured’ of HIV what do the numbers tell us about the epidemic. Ruth Alexander looks at the changes in the way that the disease has been measured. Also the Dow Jones hit an all-time high this week so is it party time for investors?

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9:12

Is the Kenyan election already decided?

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2013/03/04

Kenya votes for its next President on 4th March. The opinion polls show that it is neck-and-neck between the two main candidates but an influential Kenyan political scientists has warned that the polls are wrong. Mutahi Ngunyi’s predicting a win for Uhuru Kenyatta and his Jubilee Coalition because of what he describes as ‘the tyranny of numbers’ - there are simply more registered voters from the ethnic groups that are likely to support Kenyatta than those for his rival Raila Odinga. But will Kenyans

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9:13

Counting Catholics

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2013/02/25

This week Tim Harford asks how the figure of 1.2 billion Catholics world-wide is calculated. He also tests the claims of the controversial video, 'Muslim Demographics' shown at the Vatican by the Ghanaian Papal candidate Cardinal Peter Turkson.

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9:30

How many people support Manchester United?

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2013/02/18

This week Ruth Alexander looks at Manchester United versus Real Madrid in the last 16 of the Champions League. Real Manager Jose Mourinho says this was the match the "world has been waiting to see". It pitched two of Europe's biggest clubs against each other in what is a supposed to be a money spinner for broadcasters and sponsors alike. But how do we know how big the interest is? Manchester United claim 650 million fans worldwide, but how can we know? Nick Harris of SportingIntelligence.com and

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9:30

The end of the Penny

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2013/02/11

Canada has stopped distributing its smallest coin –the one cent or the penny. This week Ruth Alexander looks at why some countries get rid of their smallest coins and some just cannot part with them. Also which country has the coin with the smallest monetary value?

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9:31

A case of statistical significance in Greece

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2013/02/04

This week Ruth Alexander looks at the extraordinary case of Andreas Georgiou the head of the Greek statistics agency, Elstat. He is facing criminal charges for what amounts to statistical treason. It is a story that goes to the heart of the Greek debt crisis, that includes extreme office politics, alleged e-mail hacking and a statistician facing at least five years in prison. We speak to Economists Miranda Xafa and Professor Yanis Vourafafkis as well as Syriza MP Dimitris Tsoukalas. Also: do

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9:30

Fat or Fiction

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2013/01/28

A ‘new’ BMI calculation has been proposed by Oxford Mathematician Professor Nick Trefethen but does it really address the problem with a calculation that is over a century old. Body Mass Index was first calculated over 150 years ago and in recent years has become controversial for its imprecise nature. Ruth Alexander and Wesley Stephenson look at how it has developed and what it really tells us, if anything, about our health.

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9:29

WS MoreOrLess: Indian Farmer Suicides

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2013/01/21

This week Ruth Alexander is looking at farmer suicides in India. But is it any more prevalent than in any other area of Indian society? Also what is the history behind the Lakh and the Crore in South Asia? It confused one contributor on the farmer suicide story and caused him to get the figures wrong by a factor of 10.

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14:05

Pop up economics

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2013/01/16

Episode 1 of Tim Harford's new series, Pop Up Economics, in which he tells a live audience short stories about fascinating people and ideas in economics.

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9:30

Food waste and Scrabble

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2013/01/14

Reports this week suggest that we are wasting 50 per cent of our food globally. It comes from a study by the Institute of Mechanical Engineers in the UK. Ruth Alexander discovers why this number is out of date and is likely to be much lower than half. Also are the values on Scrabble tiles correct? They were first assigned in the 1930s. With our changing language do we need to reassess the values. We speak to Joshua Lewis, a post-doctoral researcher at the University of California, San Diego about

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9:29

The Parable of the Ox

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2013/01/07

What does a 'guess the weight of the ox' competition tells us about a bloated and dysfunctional financial system? We find out in the Parable of the Ox written by John Kay of the Financial Times. The tale is told with the help of economics writer James Surowiecki as well as John Kay himself. It also features a brand new composition from the New Radiophonic Workshop.

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28:03

The Parable of the Ox

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2013/01/04

What does a 'guess the weight of the ox' competition tells us about a bloated and dysfunctional financial system? We find out in the Parable of the Ox written by John Kay of the Financial Times. The tale is told with the help of economics writer James Surowiecki as well as John Kay himself. It also features a brand new composition from the New Radiophonic Workshop.

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1,087 results

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