Can drinking one less bottle of coke a day halve obesity?

Can drinking one less bottle of coke a day halve obesity?

Tim Harford investigates some of the numbers in the news and in life. This week:

Is the secret to halving obesity rates really just a matter of cutting back on one fizzy drink a day?

How many new babies in the City of London have a foreign-born parent? And since fewer than one baby a week is actually born in the City of London, how much should we care?

Electricity in the UK is more expensive than almost anywhere else. Why? And is it anything to do with wind turbines?

And we help out rival Radio 4 programme Start the Week with a claim about churches.

If you’ve seen a number in the news you think we should take a look at, email the team: moreorless@bbc.co.uk

More or Less is produced in partnership with the Open University.

Presenter: Tim Harford Reporter: Lizzy McNeill Producer: Nicholas Barrett and Nathan Gower Series producer: Tom Colls Production co-ordinator: Brenda Brown Sound Mix: James Beard Editor: Richard Vadon

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The Parable of the Ox

The Parable of the Ox

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.

4 Jan 201328min

Numbers of 2012

Numbers of 2012

A special review of the year through the interesting, informative and idiosyncratic numbers of 2012.

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Numbers of 2012

A guide to 2012 in numbers - the most informative, interesting and idiosyncratic statistics of the year discussed by More or Less interviewees.

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Gun Statistics

Gun Statistics

Tim Harford investigates the numbers in the debate on firearms deaths, and discovers the mathematics of juggling. This programme was first broadcast on the BBC World Service.

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Fact-checking US gun crime statistics

Fact-checking US gun crime statistics

Tim Harford investigates gun crime statistics in the US. Plus, why death is not always the one hard fact that’s hard to fudge; the average age of first-time buyers; whether chocolate makes you clever; the statistical paradox of road collisions caused by deer; and the maths of juggling. Producer Ruth Alexander

21 Dec 201227min

WS MoreOrLess: What is "rare"?

WS MoreOrLess: What is "rare"?

This week: What is ‘rare’? When we say something is rare what do we mean? Lightning strikes which typically kill three people a year in the UK are often described as rare but how do we square that with a condition like motor neurone disease which is also described as rare yet kills 1500 people a year in the UK. Also we speak to Nassim Taleb about his book Anti-fragile.

17 Dec 20129min

The Census and what does 'rare' mean?

The Census and what does 'rare' mean?

Why was the estimate, in 2003, for Eastern Europeans coming to the UK so wrong? Which is better when communicating information words or numbers? Nassim Taleb explains anti-fragility And we'll debunk the oft quoted 'you're never more than 6ft from a rat'

14 Dec 201227min

World Service: Africa GDP & Royal twins

World Service: Africa GDP & Royal twins

Where does Nigeria’s plan to revise its GDP leave our understanding of growth in Sub-saharan Africa? And what is the chance of the Duchess of Cambridge having twins given she has severe morning sickness.

10 Dec 20129min

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