More or Less: Behind the Stats - WS MoreOrLess: Measuring World Health

Babies born in Rwanda are likely to live healthier lives than those in the most deprived 10% of England, according to recent reports. But does the data back this up? And how is "good health" measured across the world? Hannah Moore and Wesley Stephenson explore the numbers with Professor David Gordon from Bristol University?s International Poverty Research Centre. This programme was first broadcast on the BBC World Service.

Start the Week - The Mathematical Mind with Cedric Villani

On Start the Week Tom Sutcliffe finds out what goes on inside the mind of a mathematician. Cédric Villani explains the obsession and inspiration which led him to being awarded the Fields Medal, 'the mathematicians' Nobel Prize' in 2010. Zia Haider Rahman combines pure maths, investment banking and human rights in his exploration of how abstract theory can impact on real life. Vicky Neale reveals the beauty of prime numbers, while the director Morgan Matthews finds love in his film x+y at the International Mathematics Olympiad. Producer: Katy Hickman.

More or Less: Behind the Stats - WS MoreOrLess: The future of food

"In the next 40 years, humans will need to produce more food that they did in the previous 10,000," claimed a recent edition of The Economist. Ruth Alexander and Hannah Moore look at whether this is true. With the world's population expected to reach 9 billion by 2050, how confident can we be that everyone will have enough to eat? This programme was first broadcast on the BBC World Service.

Start the Week - From Fringe to Frontline?

On Start the Week Tom Sutcliffe explores the fracturing political landscape and the rise of anti-establishment parties. The politics lecturer Robert Ford explains the increasing support for the SNP, UKIP, and the Greens and what that means for the forthcoming General Election. Catherine De Vries is a Professor of European politics and compares what's happening across the Channel. Srdja Popovic was one of the leaders of Otpor - the movement that played a pivotal role in bringing down Slobodan Milosevic - and he advises how using humour, rice pudding and lego men can change the world. The Royal Opera House is staging Brecht and Weill's Rise and Fall of the City of Mahagonny, a satire on money, morality and pleasure-seeking, and its director John Fulljames seeks out the contemporary resonances in this story of consumerism and loss of humanity.

Producer: Katy Hickman.

Start the Week - From Fringe to Frontline?

On Start the Week Tom Sutcliffe explores the fracturing political landscape and the rise of anti-establishment parties. The politics lecturer Robert Ford explains the increasing support for the SNP, UKIP, and the Greens and what that means for the forthcoming General Election. Catherine De Vries is a Professor of European politics and compares what's happening across the Channel. Srdja Popovic was one of the leaders of Otpor - the movement that played a pivotal role in bringing down Slobodan Milosevic - and he advises how using humour, rice pudding and lego men can change the world. The Royal Opera House is staging Brecht and Weill's Rise and Fall of the City of Mahagonny, a satire on money, morality and pleasure-seeking, and its director John Fulljames seeks out the contemporary resonances in this story of consumerism and loss of humanity.

Producer: Katy Hickman.

More or Less: Behind the Stats - WS MoreOrLess: Black prisoners in the US

Oscar-winner John Legend said that there are more black men "under correctional control" in the United States today than were in slavery in 1850. Is he right? Plus, how many Lego bricks, stacked one on top of the other, would it take to destroy the bottom brick? This programme was first broadcast on the BBC World Service.

Start the Week - Joseph Nye on Soft Power

Andrew Marr looks at what happens when political power fractures and how 'soft power' retains its influence. Peter Pomerantsev spent a decade working in Russia's fast-growing television industry and tells the story of a country changing from communism and nascent democracy to a mafia-state and oligarchy. The political analyst Joseph Nye coined the phrase 'soft power' in 1990 and in his latest essay argues that while America's economy may have been overtaken by China, the US century is far from over. Impressionist art continues to grow in popularity and price-tag, and the curator Anne Robbins looks back on the life of Paul Durand-Ruel, the 19th century art dealer and visionary who foresaw its power and marketability worldwide. Producer: Katy Hickman.

Start the Week - Joseph Nye on Soft Power

Andrew Marr looks at what happens when political power fractures and how 'soft power' retains its influence. Peter Pomerantsev spent a decade working in Russia's fast-growing television industry and tells the story of a country changing from communism and nascent democracy to a mafia-state and oligarchy. The political analyst Joseph Nye coined the phrase 'soft power' in 1990 and in his latest essay argues that while America's economy may have been overtaken by China, the US century is far from over. Impressionist art continues to grow in popularity and price-tag, and the curator Anne Robbins looks back on the life of Paul Durand-Ruel, the 19th century art dealer and visionary who foresaw its power and marketability worldwide. Producer: Katy Hickman.