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Freedom in Numbers

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

• 11 mins

Nigeria - Rich or Poor?

How did Nigeria become the largest African economy overnight?

• 11 mins

Magic Numbers

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

• 11 mins

Killed for Being Female?

Are there 100 million women missing from the world?

• 11 mins

Did Sir Roger Bannister make the 鈥榠mpossible鈥� possible?

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

• 11 mins

Brazil鈥檚 Maths Superstar

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

• 11 mins

Did Global Poverty Halve Overnight?

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

• 11 mins

Risk Savvy

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

• 11 mins

The Piketty Affair

Did 鈥榬ock-star鈥� French economist Thomas Piketty get his numbers wrong?

• 11 mins

Spurious Correlations

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

• 11 mins

Heads Or Tails?

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

• 11 mins

Money for Nothing?

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

• 11 mins

Is this the greatest World Cup ever?

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

• 11 mins

Will we Die Before our Parents?

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

• 11 mins

Golden Ticket

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

• 11 mins

The Tour de France

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

• 11 mins

The Prevalence of Paedophilia

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

• 11 mins

Fear of Flying

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

• 11 mins

How Deadly is Ebola?

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

• 11 mins

Anti-Semitism

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

• 11 mins

Deaths in Gaza

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

• 11 mins

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?

• 10 mins

To Ice or Not to Ice?

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

• 10 mins

Shakespeare v Rappers

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

• 10 mins

The UK vs Mississippi

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

• 10 mins

Calculating the Distance to the Sun

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

• 10 mins

Will Berlin See a Sub-two-hour Marathon?

Why Berlin is likely to be the place we eventually see a sub-two-hour marathon

• 10 mins

Species in Decline?

Are claims that species populations have dropped 50% in the last 40 years true?

• 10 mins

A Warning about Big Data

With the hype surrounding big data are we forgetting some basic statistical lessons?

• 10 mins

Screening for Ebola

Are airport screenings for Ebola really effective at stopping the disease's transmission?

• 10 mins