91热爆

Series 4

Danny Dorling

Prof Danny Dorling on why he thinks the population bomb has already been diffused.

• 15 mins

Series 4

Mona Siddiqui

Prof Mona Siddiqui considers the importance of friendship in a divided world.

• 15 mins

Series 4

Language Is Power

Lindsay Johns says language is power, and makes the case for speaking English properly.

• 15 mins

Series 4

Drugs in Sport

Paul Dimeo argues that drugs have made modern sport what it is today.

• 15 mins

Series 4

Hello Cheeky

Farrah Jarral puts the case for more cheekiness.

• 15 mins

Series 4

Empires of Attention

Matt Locke examines how our attention has shaped our culture.

• 15 mins

Series 4

Learning from our teenage selves

Molly Naylor explores what we can learn from our teenage selves.

• 15 mins

Series 4

How to Remember

Sam Edwards argues that we should think again about how we memorialise war.

• 15 mins

Series 4

Putting Profit in Its Place

Jane Burston argues that we should put profit in its place: as a means to an end.

• 15 mins

Series 4

Ambivalence: For and Against

Mark O'Connell argues that in an age of strong opinions, we should embrace ambivalence.

• 14 mins

Series 4

Chemophobia

Chemistry lecturer Mark Lorch asks why we are all so afraid of chemicals.

• 15 mins

Series 4

Courage and Effect

Brian Lavery on how a fishwife from Hull changed the country's most dangerous industry.

• 15 mins

Series 4

Refugee Stories

Agnes Woolley examines what is missing from the stories told by, and about, refugees.

• 15 mins

Series 4

Curtis Blanc

Former prisoner turned entrepreneur, Curtis Blanc, says prison only works if you let it.

• 15 mins

Series 4

Emile Simpson

Former soldier Emile Simpson argues we need to rethink the way we fight wars.

• 15 mins

Series 4

Matthew Engel

Matthew Engel makes a secular case for reclaiming the peace and quiet of the Sabbath.

• 15 mins

Series 4

Heaven Crawley

Heaven Crawley argues for a different approach in our attitude towards asylum seekers.

• 15 mins

Series 4

Role Modelling

Anne-Marie Imafidon argues that we need to think differently about role models.

• 15 mins

Series 4

Nothing to Lose

Byron Vincent discusses nature versus nurture, and society's obligations to its weakest.

• 15 mins

Series 4

Cult of Girls

Sharon Kinsella explores the Japanese 'cult of girls'.

• 15 mins

Series 4

Making a 91热爆

Becky Manson discusses the meaning of home, as home ownership becomes less common.

• 15 mins

Series 4

Benet Brandreth

Benet Brandreth criticises the bankruptcy of current political discourse.

• 15 mins

Series 4

Philippa Perry

Philippa Perry explains why the stories we tell to and about ourselves are so powerful.

• 15 mins

Series 4

Rebecca Mott

Rebecca Mott calls for the abolition of prostitution.

• 15 mins

Series 4

Mark Graham

Thought-provoking talks with a personal dimension.

• 15 mins

Series 4

SF Said

SF Said believes fiction can help to bridge the divide between 'us' and 'them'.

• 15 mins

Series 4

Rachel Armstrong

Rachel Armstrong proposes we should harness the computing power of the natural world.

• 15 mins

Series 4

Jonathan Ree

Jonathan Ree warns against the current fashion for confusing morality with politics.

• 15 mins

Series 4

Jono Vernon-Powell

Jono Vernon-Powell argues for a revival in the lost art of hitchhiking.

• 15 mins

Series 4

Sandra Newman

Sandra Newman argues that genuinely cool people are a liability.

• 15 mins