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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Predicting L'Aquila Earthquake: is it right to blame the scientists?

Predicting L'Aquila Earthquake: is it right to blame the scientists?

This week six scientists and one ex-government official were sentenced to prison for multiple manslaughter following the L’Aquila earthquake in Italy. Part of the case against them was the falsely reassuring comments they made before the earthquake struck. Will this deter scientists from giving advice in the future?

29 Okt 20129min

Life-saving economics

Life-saving economics

Professor Al Roth tells Tim Harford about the work for which he has just been awarded the 2012 Nobel Memorial Prize in Economic Sciences.

22 Okt 20129min

Predicting the global population

Predicting the global population

Predicting the global population: does anyone really know what’s going to happen?

15 Okt 20128min

Predicting the Presidency

Predicting the Presidency

Nate Silver tells us who will win the 2012 US election - and how he knows.

8 Okt 20129min

Plenty more fish in the sea?

Plenty more fish in the sea?

Only 100 cod are left in the North Sea according to newspapers. Is this the most wrong headline in More or Less history?

1 Okt 20129min

Factchecking America

Factchecking America

US Presidential Election factchecked. Is Mitt Romney right to say that 47% of Americans pay no tax? And how many jobs has President Obama really created?

24 Sep 20129min

Investigating crime statistics

Investigating crime statistics

Ruth Alexander investigates Sweden's high rape rate, and finds out which countries are the surprise leaders of the world kidnap league. Plus, who went home from the London 2012 Games with more medals – Olympians or Paralympians? This programme was first broadcast on the BBC World Service

17 Sep 20129min

Where are the Paralympics Medals?

Where are the Paralympics Medals?

Why did the USA top the gold medals league in the Olympics, but not the Paralympics? Ruth Alexander examines the performance numbers of the London 2012 Paralympic Games and discovers which countries are punching above their weight, and which below. And Yan Wong tries to calculate how many opening bars are possible in music. This programme was first broadcast on the BBC World Service.

10 Sep 20129min

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