Professor John Searle examines the connections between the mind and the brain.
A fun exploration of lateral thinking, fifty years after Edward de Bono coined the term.
Pub Landlord Al Murray in conversation with John Wilson at the Edinburgh Festival.
Neurobiologist Colin Blakemore explains how the mind creates sight and perception.
Sarah Dunant looks through history to understand apparently irrational behaviour.
Jo Brand joins Brian Cox and Robin Ince for witty, irreverent science chat.
Keir Starmer explores relationships between justice, retribution and the passage of time.
Melvyn Bragg and his guests discuss Rene Descartes' famous statement.
Adrian Moore explores the idea of infinity through history
How can we nurture critical thinking skills in children and young people?
How do our senses work together to shape the experience of eating? Barry Smith explores.
Aleks Krotoski explores how much of what we do online is akin to talking to ourselves.
Michael Blastland invites us to discover the way people think, behave and make decisions.
Should Hazel leave the job she loves?
Edward Said considers how far an intellectual should participate in the public sphere.
Why does our talent for abstraction set us apart?
Edward Said explores the role of intellectuals from different cultures and backgrounds.
Joan Bakewell explores areas of belief with writer Ian McEwan.
Bettany Hughes' archaeology of philosophy. Who came up with the idea of an idea?
Dr Mark Lythgoe attempts to find out what constitutes intuition and when we should use it.
Edward Said considers intellectuals as people on the margins of their own society.
Actor and impressionist Jan Ravens talks to Germaine Greer, about her public image.
Actor and comedienne Jan Ravens talks to BBC correspondent Lyse Doucet.
Scientist Jim Al-Khalili gets a new pen-pal, living off-grid on a remote Canadian island.
Barry Smith presents a journey into the human multi-sensory experience.
Sir Isaiah Berlin died 20 years ago. Where are the Berlins of today? Jonathan Wolff asks.
Josie Long presents documentaries about time and timing.
Josie Long hears stories of our desire for time to stop.
Melvyn Bragg examines perception: how the brain reacts to the mass of data crowding it.
Clare Carlisle grapples with Bishop Berkley's idea that objects only exist in our minds.