Adrian Moore, Professor of Philosophy at St Hugh’s College, Oxford, explores the definition and origin of metaphysics, and then discusses some of the enduring metaphysical questions.

John Broome, White's Professor of Moral Philosophy at the University of Oxford, gives an explanation of reason and rationality, and then discusses his understanding of the 'the normative question'.

In this podcast, Professor Bostrom, Director of the Future of Humanity Institute, discusses global catastrophic risks and his earlier work on the simulation theory.

Professor Julian Savulescu, Director of the Oxford Uehiro Centre for Practical Ethics, talks about the current and future issues in applied ethics, particularly of the new biosciences.

Roger Crisp, Uehiro Fellow and Tutor in Philosophy, discusses the ethics of Aristotle.