In this bonus episode produced in association with The Open University, Mary Warnock, a philosopher who also sits in the House of Lords, addresses the question 'Do we have a right to have babies?' A transcript of this episode is available at http://www.open2.net/ethicsbites/right-have-babies.html

Thomas Aquinas, the thirteenth century Dominican is the subject of this episode of Philosophy Bites. Anthony Kenny explains the key features of Aquinas'  ethics in conversation with Nigel Warburton.

In this bonus episode of Philosophy Bites made in association with the Open University, Michael Sandel addresses the question of whether we should allow genetic enhancement of athletes. Drawing on themes from his recent book, The Case Against Perfection, he discusses the ethical issues at stake. A transcript of this episode is available at www.open2.net/ethicsbites/

Karl Marx's theory of alienated labour is the topic of this episode of the Philosophy Bites podcast. Jonathan Wolff, author of Why Read Marx Today? explains what Marx meant by alienation. He also sheds light on Marx's controversial description of what non-alienated labour would be like.

In this bonus episode produced in association with the Open University as part of the Ethics Bites series, Peter Singer, perhaps the world's best known living philosopher, discusses how we treat animals. A transcript of this episode is available from www.open2.net/ethicsbites/

Friedrich Hayek was a major figure in Twentieth Century economics and political philosophy, but his ideas are sometimes caricatured, not least because Margaret Thatcher approved of his work. Chandran Kukathas explains the key features of his liberalism in this episode of Philosophy Bites.

In this episode of Philosophy Bites Richard Reeves, author of a recent biography of John Stuart Mill sheds light on Mill's classic defence of individual freedom, On Liberty.

Can a nation be collectively responsible for actions? And how should apologies and reparations be handled when the perpetrators of injustice may be dead? David Miller, author of a recent book on this topic, explores the kinds of responsibility that nations can have.

David Hume is probably the greatest English-speaking philosopher to date. In this interview for Philosophy Bites. Peter Millican, a Hume specialist, explains why his philosophy was so important.

Are men and women different by nature? And if so, what follows? Janet Radcliffe Richards, author of The Sceptical Feminist and Human Nature After Darwin, examines questions about human nature, focusing on John Stuart Mill's important book The Subjection of Women. David Edmonds is the interviewer for this episode of Philosophy Bites.