Marshmallows and Kant, ideas about girl power from Mary Wollstonecraft (born April 27th 1759) to the Spice girls; and galloping horses, sea-gull sounds and life as a goat. On today's Free Thinking Shahidha Bari is joined by literary historian Alexandra Reza, philosophers Angela Breitenbach, John Callanan and journalist Tim Stanley to look back at the week and discuss ideas about our relationship with birds and beasts; and how the philosophy of Immanuel Kant (born 22nd April 1724) outlined ideas about peace, reason and finding ways to have rational discussion. Plus we hear from Thomas Thwaites, author of Goatman: How I Took a Holiday from Being Human.

Tim Stanley is a journalist. You can hear him discussing rationality and tradition with Steven Pinker, the argument against democracy, and the ideas of John Henry Newman on Free Thinking episodes available on the programme website and BBC Sounds Alexandra Reza teaches comparative literature at the University of Bristol. You can hear her in Free Thinking episodes discussing the ideas of Aimee Cesaire, Frantz Fanon and the film-making of Susan MaldororDr John Callanan teaches philosophy at Kings College LondonAngela Breitenbach is Professor of Philosophy at the University of Cambridge

Producer: Luke Mulhall