The truth is like a vegetable your mother makes you eat, nourishing but it tastes terrible
Professor John Searle examines the connections between the mind and the brain.
Neurobiologist Colin Blakemore explains how the mind creates sight and perception.
Sarah Dunant looks through history to understand apparently irrational behaviour.
Aleks Krotoski asks if there are some things that we would be better off not knowing.
Melvyn Bragg and his guests discuss Rene Descartes' famous statement.
Adrian Moore looks at the mathematical crisis following attempts to reckon with infinity.
American dependency on red tape and the 'death' of common sense.
Architectural writer Shumi Bose explores whether we can trust what we see.
Heather Couper looks at arguments over the laws of physics and the universe's creation.
How do our senses work together to shape the experience of eating? Barry Smith explores.
Michael Blastland explores the quirky ways in which we think, behave and make decisions.
Brian Cox, Robin Ince and guests ask whether science needs war to drive it.
Michael Blastland invites us to discover the way people think, behave and make decisions.
Roger Harribin asks how climate policy decisions can be taken amid scientific uncertainty.
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.
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.
Sathnam Sanghera asks, when we can know everything, are we better off not knowing things?
Could the world around us be a simulated reality?
Actor and impressionist Jan Ravens talks to Germaine Greer, about her public image.
Actor and comedienne Jan Ravens talks to BBC correspondent Lyse Doucet.
Barry Smith presents a journey into the human multi-sensory experience.
Will Self expresses deep concerns about the nature and value of scientific progress.
Paul Broks looks at the philosopher Ludwig Wittgenstein and the problem of 'other minds'.
Are we really living in a post-truth world? Jo Fidgen investigates.
Melvyn Bragg examines perception: how the brain reacts to the mass of data crowding it.