Sarah Dunant looks through history to understand apparently irrational behaviour.
Allan Little discusses the Enlightenment's relevance for countries outside the west.
Clare Balding walks in search of the wild with environmentalist George Monbiot.
Nikolaus Pevsner considers the 'Englishness' of the artist William Hogarth.
Joan Bakewell explores areas of belief with writer Ian McEwan.
The great clash that occurred between Newton and Leibniz over the discovery of calculus.
Scientist Jim Al-Khalili gets a new pen-pal, living off-grid on a remote Canadian island.
Jules Evans explores what ancient philosophy can tell modern society about well-being.
Melvyn Bragg and his guests discuss the ancient philosophical school of Neoplatonism.
Greek philosopher Thales thought natural forces cause natural disasters, not acts of gods.
Melvyn Bragg and guests discuss the ideas of Pythagoras and the Pythagoreans.
Melvyn Bragg and guests discuss the iconic Greek philosopher, Socrates.
Steven Poole argues that we should resist the idea that humans are irrational.
Andy Zaltzman spends a week living by the rules of the Stoic school of philosophy.
Melvyn Bragg explore Stoicism, the most influential philosophy in the Ancient World.
Melvyn Bragg examines the role of British thinkers in the 18th century Enlightenment.
Melvyn Bragg examines the emergence and impact of the Scottish Enlightenment.
Giles Fraser on moral character and Aristotle's Virtue ethics
Melvyn Bragg and his guests discuss the role played by women in Enlightenment science.