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Series 4

Black in America

Christina Greer asks what it means to be black in America today.

• 15 mins

Series 4

The Shadow of the Cold War

Jeffrey Sachs argues that many global problems were caused by mistakes at the end of wars.

• 15 mins

Series 4

Art, Design and Politics

Paola Antonelli explores the politics in art and design.

• 15 mins

Series 4

Keeping It Personal

Paralympian Darren Harris argues for a person-centred approach in the age of big data.

• 15 mins

Best of Four Thought

Kamin Mohammadi presents three of the best recent episodes of Four Thought.

• 43 mins

Amy Golden

Amy Golden, who is severely disabled, shares what life is like through her eyes.

• 15 mins

Jamie Bartlett

Jamie Bartlett meets online trolls and finds out that they can be surprisingly human.

• 15 mins

Peter Bleksley

Peter Bleksley, a former undercover policeman, argues that drugs should be legalised.

• 15 mins

Agata Pyzik

Polish writer Agata Pyzik on what she sees as prejudice against eastern European migrants.

• 15 mins

John Williams: Unexpected Joy

Comedian John Williams finds unexpected joy in his autistic son's view of life.

• 15 mins

Baraa Shiban

Baraa Shiban, stranded in London by the conflict in Yemen, on how his life has changed.

• 15 mins

Huda Jawad

Huda Jawad describes reconciling her deeply held Islamic faith with her feminism.

• 15 mins

Brian Lobel

Brian Lobel says surviving cancer does not mean you have to be heroic.

• 15 mins

Tim Meek

Tim Meek on using the precious resource of time more wisely. Recorded at the Hay Festival.

• 15 mins

Caroline Ingraham

Caroline Ingraham, founder of a new approach to animal welfare, on giving animals choices.

• 15 mins

Amanda Palmer

Amanda Palmer on reconciling art and motherhood. Recorded at the Hay Festival.

• 15 mins

Matt Haig

The writer Matt Haig describes how words helped him live with depression.

• 15 mins

A Progressive Case for Authority

Author and commentator Eliane Glaser makes a progressive case for authority.

• 15 mins

A Response to Terror

Hashi Mohamed re-interprets a recent British response to terrorism.

• 15 mins

Questioning Success

Jennifer Kavanagh questions the value of success.

• 15 mins

Pirates and Puritans

Tom Feiling tells a story about pirates and puritans.

• 15 mins

Passports for a Price

Katy Long argues that we should think differently about citizenship.

• 15 mins

The End of the Age of Ideas

Robert Rowland Smith argues that we are coming to the end of the age of ideas.

• 15 mins

Big Charity, Big Business

David Russell asks whether backing big charities is the best way of improving the world.

• 15 mins

Best of Four Thought

Courage

David Baddiel presents the best of the series which mixes new ideas and personal stories.

• 43 mins

Best of Four Thought

Original Thinkers

Georgie Fienberg, Matthew Syed and Ben Dyson give talks that challenge received wisdom.

• 43 mins

Best of Four Thought

Hidden Benefits

Emma Byrne, Amber Dermont and Kamin Mohammadi find hidden benefits in surprising places.

• 43 mins

Best of Four Thought

Against the Grain

David Baddiel introduces three speakers and their tales of going against the grain.

• 43 mins

The Whirlpool Economy

Charles Leadbeater argues that we are living in a whirlpool economy.

• 15 mins

Writing Myself into the Script

Playwright Bola Agbaje on why black women are still under-represented on British TV.

• 15 mins