Browse the 20th Century era within the In Our Time archive.
Melvyn Bragg examines whether we are near to achieving the thinking, feeling computer.
Melvyn Bragg and guests discuss Black Holes, the ghosts of massive stars.
Melvyn Bragg and his guests discuss cosmic rays.
Melvyn Bragg discusses the Anglo-Austrian philosopher Karl Popper.
Melvyn Bragg and guests discuss the mathematician Kurt Godel and his work.
Melvyn Bragg and guests discuss the relationship between democracy and capitalism.
Melvyn Bragg and his guests discuss the work of French anthropologist Claude Levi-Strauss.
Melvyn Bragg and his guests discuss Einstein's theory of relativity.
The life and work of French novelist, playwright and philosopher Jean-Paul Sartre.
Melvyn Bragg and his guests discuss the invention of radio.
Melvyn Bragg examines how perceptions of science have changed in the 20th century.
Melvyn Bragg and his guests discuss planets outside our solar system, known as exoplanets.
Melvyn Bragg examines whether science has ruined our sense of poetic wonder at the world.
Melvyn Bragg and his guests discuss Ordinary Language Philosophy.
Melvyn Bragg and guests discuss complexity theory.
Melvyn Bragg and guests discuss the war poet Siegfried Sassoon.
Melvyn Bragg and guests discuss the history of ideas about the eye and how it works.
Melvyn Bragg and guests discuss Weber's The Protestant Ethic and the Spirit of Capitalism.
Melvyn Bragg and his guests discuss the states of matter, from solids to plasmas.
Melvyn Bragg and his guests discuss the Second Sino-Japanese War.
Melvyn Bragg and his guests discuss the philosophy of solitude.
Melvyn Bragg and his guests discuss Virginia Woolf's novel Mrs Dalloway.
Melvyn Bragg and his guests discuss the science of the sun, source of all our energy.
Melvyn Bragg and his guests discuss Euler's number, e.