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A pinch of salt

A key preservative, the subject of taxes, a danger to plant-life - how much salt is good?

• 57 mins

Uncertainty

Chris Lintott, Margaret Heffernan, Liam Halligan, Tim Garton Ash, Victoria Donovan

• 57 mins

Evidence

Lord Sumption, Danny Robins, Dr Sarah Dillon Dr Jonathan Egid and Dr Anthony Milligan.

• 57 mins

Isolation

Matthew Sweet explores ideas about being on your own.

• 57 mins

The Middle Classes

Muriel Zagha, Prof Sam Friedman, Lord Willetts, Lisa Holdsworth and Prof Melinda Mills.

• 57 mins

Decadence and Declinism

Matthew Sweet assesses the state of contemporary culture.

• 57 mins

Community

Post local elections and pre VE day events, Shahidha Bari explores ideas about community

• 57 mins

Peace

In the week of VE Day, Matthew Sweet discusses what peace has meant since 1945.

• 57 mins

Political Visions

Anne McElvoy sets off in search of the sunlit uplands.

• 57 mins

Wolves

How wolves shape our world.

• 57 mins

Power: A User's Guide

From the Hay Festival, Matthew Sweet discusses the many forms of political power.

• 57 mins

Podcasting difficult histories

Matthew Sweet discusses difficult histories with 3 ÃÛÑ¿´«Ã½ podcast hosts at the Hay Festival.

• 57 mins

Failure

From business to sport, politics to the writing of Samuel Beckett: how do we view failure?

• 57 mins

Language

Matthew Sweet and guests explore the way language unites and divides us.

• 57 mins

Christian faith, politics and culture

Anne McElvoy explores the visibility of Catholic and Christian faith in politics & culture

• 57 mins

Censorship, editing and self-censorship

Shahidha Bari's guests in a frank topical discussion include Rana Mitter and Nicola Wilson

• 57 mins