Archaeologist Matt pope looks at the role of technology in early human evolution.
Surgeon Gabriel Weston sees how medical technology has changed us.
Historian Justin Champion on 17th-century polymath Francis Bacon.
Tom Chatfield on whether modern technology enhances or diminishes us.
Melvyn Bragg is joined by Tom Chatfield, Gabriel Weston, Justin Champion and Matt Pope.
Theologian Giles Fraser finds the answer to being human in Wittgenstein and Blade Runner.
Philosopher Barry Smith argues that language is the most important uniquely human quality.
Only humans know they will die. Catharine Edwards on the Stoic philosopher Seneca.
Simon Schaffer on botanist Carl Linnaeus, who first classified humans among the apes.
Melvyn Bragg and guests discuss what makes us human.
Historian Justin Champion on William Whiston, the spiritual father of the Philae lander.
Theologian Giles Fraser on brilliant medieval scholar St Thomas Aquinas.
What put the bang in the Big Bang? Can scientists tell us what happened before creation?
How did the world begin? Jessica Frazier canvases the views of the great religions.
Melvyn Bragg and guests discuss the origins of everything.
Melvyn Bragg and guests discuss the work of key philosophers and their theories.
Philosopher Angie Hobbs on the value of conscience and moral intuition.
Criminal barrister Harry Potter examines if the law should enforce good morals.
Neuropsychologist Paul Broks on moral decisions and the brain.
Giles Fraser on moral character and Aristotle's Virtue ethics.
Melvyn Bragg and guests discuss different ideas of morality.
Philosopher Angie Hobbs examines whether beautiful things are also moral.
Historian Simon Schaffer on whether evolutionary science explains the existence of beauty.
Mathematician Vicky Neale on the mathematics of beauty and the beauty of mathematics.
Philosopher Barry Smith on David Hume's ideas about cultivating good taste.
Melvyn Bragg and guests discuss different ideas of beauty.
Paul Broks brings neuroscience to the philosophical question of whether we have free will.
Theologian Giles Fraser believes true freedom comes from accepting constraints in life.
Barrister Harry Potter on John Stuart Mill's ideas about individual freedom and the state.
Angie Hobbs on Isaiah Berlin's distinction between positive and negative freedom.