Start the Week - Population: Ten Billion

On Start the Week Sue MacGregor asks what happens when the world's population reaches ten billion. The computer scientist, Stephen Emmott argues that time is running out for humanity unless we radically change our behaviour, but the geographer Danny Dorling believes that we should be preparing for the inevitable population decline. Jill Rutter explores the impact of differing scientific advice on politics, and the complexity of evidence-based policy. And with India's population set to exceed that of China, the Nobel prize-winning economist Amartya Sen lambasts political inaction in raising standards for the poorest in society. Producer: Katy Hickman.

Start the Week - Zadie Smith on social mobility

On Start the Week Stephanie Flanders discusses social mobility. Zadie Smith's novel NW is a portrait of modern urban life in which characters try, but mostly fail, to escape their past. The Conservative Minister David Willetts and the columnist Owen Jones discuss what meritocracy and opportunity mean in today's society. And the social historian David Kynaston looks to the end of the 1950s when meritocracy became the buzz word of the day. Producer: Katy Hickman.

Start the Week - Zadie Smith on social mobility

On Start the Week Stephanie Flanders discusses social mobility. Zadie Smith's novel NW is a portrait of modern urban life in which characters try, but mostly fail, to escape their past. The Conservative Minister David Willetts and the columnist Owen Jones discuss what meritocracy and opportunity mean in today's society. And the social historian David Kynaston looks to the end of the 1950s when meritocracy became the buzz word of the day. Producer: Katy Hickman.

Start the Week - Hari Kunzru and Dystopia

On Start the Week Jonathan Freedland talks to Hari Kunzru about his dystopian vision, where books and the act of remembering have been banned. Jane Rogers explains how her apocalyptic tale may be set in the future but points to today's abuse of scientific knowledge and the heroism of youth. Past real events are at the heart of James Robertson's latest novel which explores grief, justice and the truth. And the photographer Adam Broomberg asks how far images of war capture the truth.

Producer: Katy Hickman.

Start the Week - Hari Kunzru and Dystopia

On Start the Week Jonathan Freedland talks to Hari Kunzru about his dystopian vision, where books and the act of remembering have been banned. Jane Rogers explains how her apocalyptic tale may be set in the future but points to today's abuse of scientific knowledge and the heroism of youth. Past real events are at the heart of James Robertson's latest novel which explores grief, justice and the truth. And the photographer Adam Broomberg asks how far images of war capture the truth.

Producer: Katy Hickman.

Start the Week - Putin’s Russia

On Start the Week Anne McElvoy talks to the Russian expert Fiona Hill about the many faces of Vladimir Putin, while Vladislav Zubok considers the impact of the past on the Russia of today. Oliver Bullough turns to drink to understand the soul of the nation and the historian Rachel Polonsky considers the cultural landscape of the post-Soviet era.

Producer: Katy Hickman.

Start the Week - Fairy Tale Physics?

On Start the Week Allan Little grapples with super-symmetric particles, superstrings and multiverses with the help of Jon Butterworth. But the writer Jim Baggott dismisses many of the ideas of modern theoretical physics as mere fairy tales and fantasy. The sociologist Hilary Rose bemoans the commercialisation of biological sciences and warns against believing the hype. But the world-renowned stem cell scientist Stephen Minger believes recent developments show great promise for the treatments of many life-threatening diseases. Producer: Natalia Fernandez.

Start the Week - Eric Schmidt on the New Digital Age

On Start the Week Emily Maitlis talks to the Executive Chairman of Google, Eric Schmidt about the digital future. A future where everyone is connected, but ideas of privacy, security and community are transformed. Former Wikileaks employee James Ball asks how free we are online. The curator Honor Harger looks to art to understand this new world of technology. And worried about this brave new world? David Spiegelhalter, offers a guide to personal risk and the numbers behind it.

Producer: Katy Hickman.

Start the Week - Antonia Fraser: Democracy and Reform

On Start the Week Anne McElvoy explores movements and people that have changed the political landscape. The MP Jesse Norman champions the founder of modern conservatism, the 18th century philosopher and statesman Edmund Burke. Lady Antonia Fraser brings to life the Great Reform Bill of 1832 which transformed the way Britain was governed. And one of the co-founders of the Occupy movement, David Graeber, looks afresh at the idea of democracy. Producer: Katy Hickman.

Start the Week - Music and the mind: Carrie Cracknell

On Start the Week Carrie Cracknell talks to Jonathan Freedland about her new production of Berg's opera, Wozzeck, and the descent of the central character into madness and despair. The pianist Jonathan Biss looks at whether Schumann's later music reflects the troubled state of his mind. The psychiatrist's diagnostic bible is to be updated later this month, and Tom Burns and Richard Bentall discuss the controversies that continue to dog the world of psychiatry. Producer: Katy Hickman.