Anne McElvoy revisits the innovative ideas of the Scottish philosopher Adam Smith.
Professor John Searle examines the connections between the mind and the brain.
Psychologist Gustav Kuhn uses magic to show just how limited our conscious experience is.
Anil Seth discusses the hard problem of understanding consciousness with Jim Al-Khalili.
Neurobiologist Colin Blakemore explains how the mind creates sight and perception.
Aleks Krotoski explores if some our anxieties around AI and automation are cultural.
Wole Soyinka explores the notion of dignity within a climate of fear.
Melvyn Bragg explores the ideas architecture expresses about our past and identity.
Melvyn Bragg and guests discuss the scientific study of life, originated by Aristotle.
Adrian Moore explores the idea of infinity through history
Does a second feel the same for a fly, a bird, or a swordfish, as it does for me?
A feature in which artists give insight into their creative process.
Melvyn Bragg and guests discuss the 12th century Islamic philosopher, Averroes.
Melvyn Bragg discusses the Persian Islamic philosopher Avicenna.
Melvyn Bragg and guests discuss the Jacobean thinker Francis Bacon and Baconian Science.
Nobel Prize-winning chemist Sir Harry Kroto chooses the philosopher Benedict Spinoza.
Melvyn Bragg and guests discuss Henri Bergson's ideas about our experience of time passing
Melvyn Bragg and guests discuss influential British philosopher Bertrand Russell.
Robin Ince listens back to some of the BBC archive of philosopher Bertrand Russell.
Sarah Dunant looks through history to understand apparently irrational behaviour.
Josie Long explores uncertain territory.
Jo Brand joins Brian Cox and Robin Ince for witty, irreverent science chat.
Journalist Nichi Hodgson asks whether there's scope for an ethical code for producing porn
Ellen Mara De Wachter explores the insights offered by collaborative art or "co-art".
Melvyn Bragg and his guests discuss Rene Descartes' famous statement.
How has technology changed the way we come up with ideas?
Melvyn Bragg examines why ideas about consciousness preoccupy philosophers and scientists.
Bertrand Russell considers the roles of state control in a progressive society.
Mariella Frostrup asks if we are bringing up children creative enough for the future.
How can we nurture critical thinking skills in children and young people?