Who came up with the idea of an idea? Bettany Hughes takes a brain scan for her archaeology of philosophy. From September 2013. Show more

Bettany Hughes delves into desire, has a brain scan to find out what love looks like and explores the influence of Eros through the ages. From September 2013. Show more

Bettany Hughes investigates ideas of agony, from conflict on the sports field to the battles of the heart upon which literature depends. From September 2013. Show more

Bettany Hughes investigates ideas of justice, via ancient Babylon, today's scenes of protest and the office of the Lord Chief Justice. From September 2013. Show more

Bettany Hughes examines changing ideas of liberty by allowing a neuroscientist to take control of her brain and by perusing the pornography of the French Revolution. From Jan 2014. Show more

Bettany Hughes considers changing ideas of comedy by listening to a rat laughing and by giggling at schoolboy jokes from Ancient Mesopotamia. From January 2014. Show more

Bettany Hughes samples changing ideas of hospitality by gazing into outer space and inviting poet and author Ben Okri round to her house for supper. From January 2014. Show more

Bettany Hughes enquires into changing ideas of wisdom by watching a women's football match and visiting synagogue to hear the Song of Deborah. From January 2014. Show more

Bettany Hughes explores changing ideas of peace, through images of war-torn Syria and by talking to people on the brink of death. From January 2014. Show more

Bettany Hughes examines her psyche in her archaeology of philosophy by lying on Sigmund Freud's famous couch and bartering in the Athens flea market. Show more

Bettany Hughes investigates charisma at the Acropolis, in a recording session with Live Aid founder Bob Geldof and on the pages of a best-selling novel with author Ben Okri. Show more

Bettany Hughes examines irony in a club where it is banned and in the studios of Radio 4's Today programme. Show more

Bettany Hughes pursues nemesis in her archaeology of philosophy on the streets of ancient Athens, in the gym and with experts on counterterrorism and climate change. Show more

Bettany Hughes considers virtue at a club for the English aristocracy, with a former Greek minister of finance and with an aid worker just back from an Ebola zone in Sierra Leone. Show more

Street philosophy with Bettany Hughes, and changing ideas about character through time at an ancient Greek palace, in a library, at a political think-tank, and in neuroscience. Show more

Street philosophy with Bettany Hughes, and changing ideas about harmony through time at an opera reharsal, in a garden, in mythology and on the battlefield. Show more

Street philosophy with Bettany Hughes, and changing ideas about narcissism through time at a hairdresser's, on a therapist's couch, in mythology and on our mobile phones. Show more

Street philosophy with Bettany Hughes, and changing ideas about technology through time at an archaeological dig, in mythology, at an electrical shop and in the future. Show more

Street philosophy with Bettany Hughes, and changing ideas about hubris on a building site, at an Ancient Greek palace, in political office and aboard an Elizabethan sailing ship. Show more

Why are we drawn to hope? Bettany Hughes visits a Buddhist temple, the Palace of Westminster and the UK's largest food bank to find out why we are hard-wired to hope for the best. Show more