Concepts in metaphysics in all BBC programmes
Professor John Searle examines the connections between the mind and the brain.
Neurobiologist Colin Blakemore explains how the mind creates sight and perception.
Irish literary critic Denis Donoghue explores societies' need to over analyse art.
Aung San Suu Kyi explores what freedom means in the first of the 2011 Reith Lectures.
Edward Said considers how far an intellectual should participate in the public sphere.
Edward Said explores the role of intellectuals from different cultures and backgrounds.
Professor Kirkwood discusses meeting the challenge of an older population.
Edward Said examines amateur intellectuals and their influence on society.
Edward Said asks the basic question for the intellectual: how does one speak the truth?
Neurobiologist Colin Blakemore explores the historic concepts of the brain.
Irish literary critic Denis Donoghue evaluates how the creation of art can be a mystery.
Professor John Searle examines the evidence for and against the existence of free will.
Professor Alastair Buchan explores how transnational co-operation links to global change.
Professor John Searle analyses how our mental activities can produce our behaviour.