Mailbox Edition

Your questions – from the USA, Australia and the world

• 11 mins

Missing Planes

Could Bayesian statistics help find Flight MH370?

• 11 mins

Is London France’s Sixth Largest City?

Are there really 300,000 French people in London?

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Freedom in Numbers

How many people in the world live in freedom?

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Freedom in Numbers

How many people in the world live in freedom? First broadcast live on 01 April 2014.

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Nigeria - Rich or Poor?

How did Nigeria become the largest African economy overnight?

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Magic Numbers

Do you have a favourite number - one you think stands out from all the others?

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Killed for Being Female?

Are there 100 million women missing from the world?

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Did Sir Roger Bannister make the ‘impossible’ possible?

A mile in under four minutes. Did positive thinking propel dozens to do the same?

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Brazil’s Maths Superstar

Alex Bellos tells the surprising story of Brazil's favourite maths book.

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Did Global Poverty Halve Overnight?

Does greater purchasing power in developing countries mean there are fewer poor people?

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Risk Savvy

Gerd Gigerenzer on the famous probability puzzle involving goats and game shows

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The Piketty Affair

Did ‘rock-star’ French economist Thomas Piketty get his numbers wrong?

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Spurious Correlations

Is the divorce rate in the US state of Maine linked to margarine consumption?

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Heads Or Tails?

What can we learn about happiness if people make key life decisions based on a coin toss?

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Money for Nothing?

When it comes to aid, what works best - providing goods, or handing over cash?

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Is this the greatest World Cup ever?

We cast a sceptical eye over the statistics. Plus: are we seeing the death of tiki-taka?

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Will we Die Before our Parents?

Will the current generation have a shorter life span than their parents due to obesity?

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Golden Ticket

What are Charlie's odds of finding a golden ticket in Charlie and the Chocolate Factory?

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The Tour de France

What is the best body type to win the Tour de France's yellow jersey?

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The Prevalence of Paedophilia

If 2% of Catholic clergy are paedophiles how does this compare to the rest of society?

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Fear of Flying

Following recent airline incidents, is flying more dangerous? Plus: Commonwealth Games.

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How Deadly is Ebola?

It is claimed it kills up to 90% of victims, but fatality rates vary widely

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Anti-Semitism

In the wake of the Gaza conflict, we investigate claims that anti-Semitism is rising.

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Deaths in Gaza

Why are men over-represented in civilian death tolls and how are the statistics gathered?

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Do We Use Only 10% of Our Brains?

It's the premise of a new film, but do we really get by using just 10% of our brains?

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To Ice or Not to Ice?

The ALS ice bucket challenge has made $100m. How should we choose charities to donate to?

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Shakespeare v Rappers

Who has the biggest vocabulary - the Bard or today’s rap stars?

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The UK vs Mississippi

Is Britain really poorer than every US state, except for Mississippi?

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Calculating the Distance to the Sun

Two young listeners ask how we calculate the distance to the sun

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