Popper
In Our Time8 Feb 2007

Popper

Melvyn Bragg and guests discuss one of the most important philosophers of the 20th century, Karl Popper whose ideas about science and politics robustly challenged the accepted ideas of the day. He strongly resisted the prevailing empiricist consensus that scientists' theories could be proved true.Popper wrote: “The more we learn about the world and the deeper our learning, the more conscious, specific and articulate will be our knowledge of what we do not know, our knowledge of our ignorance”. He believed that even when a scientific principle had been successfully and repeatedly tested, it was not necessarily true. Instead it had simply not proved false, yet! This became known as the theory of falsification.He called for a clear demarcation between good science, in which theories are constantly challenged, and what he called “pseudo sciences” which couldn't be tested. His debunking of such ideologies led some to describe him as the “murderer of Freud and Marx”. He went on to apply his ideas to politics, advocating an Open Society. His ideas influenced a wide range of politicians, from those close to Margaret Thatcher, to thinkers in the Eastern Communist bloc and South America.So how did Karl Popper change our approach to the philosophy of science? How have scientists and philosophers made use of his ideas? And how are his theories viewed today? Are we any closer to proving scientific principles are “true”?With John Worrall, Professor of Philosophy of Science at the London School of Economics; Anthony O'Hear, Weston Professor of Philosophy at Buckingham University; Nancy Cartwright, Professor of Philosophy at the LSE and the University of California

Episoder(1082)

Socrates in Prison

Socrates in Prison

Melvyn Bragg and guests discuss Plato's Crito and Phaedo, his accounts of the last days of Socrates in prison in 399 BC as he waited to be executed by drinking hemlock. Both works show Socrates prepar...

20 Feb 202550min

The Battle of Valmy

The Battle of Valmy

Melvyn Bragg and guests discuss one of the most consequential battles of recent centuries. On 20th September 1792 at Valmy, 120 miles to the east of Paris, the army of the French Revolution faced Prus...

13 Feb 202547min

Slime Moulds

Slime Moulds

Melvyn Bragg and guests discuss slime mould, a basic organism that grows on logs, cowpats and compost heaps. Scientists have found difficult to categorise slime mould: in 1868, the biologist Thomas Hu...

30 Jan 202551min

Vase-mania

Vase-mania

Melvyn Bragg and guests discuss eighteenth century 'vase-mania'. In the second half of the century, inspired by archaeological discoveries, the Grand Tour and the founding of the British Museum, parts...

23 Jan 202556min

Plutarch's Parallel Lives

Plutarch's Parallel Lives

Melvyn Bragg and guests discuss the Greek biographer Plutarch (c46 AD-c120 AD) and especially his work 'Parallel Lives' which has shaped the way successive generations see the Classical world. Plutarc...

16 Jan 202556min

The Habitability of Planets

The Habitability of Planets

Melvyn Bragg and guests discuss some of the great unanswered questions in science: how and where did life on Earth begin, what did it need to thrive and could it be found elsewhere? Charles Darwin spe...

9 Jan 202552min

Nizami Ganjavi

Nizami Ganjavi

Melvyn Bragg and guests discuss one of the greatest romantic poets in Persian literature. Nizami Ganjavi (c1141–1209) is was born in the city of Ganja in what is now Azerbaijan and his popularity soo...

2 Jan 202552min

The Hanoverian Succession

The Hanoverian Succession

Melvyn Bragg and guests discuss the intense political activity at the turn of the 18th Century, when many politicians in London went to great lengths to find a Protestant successor to the throne of Gr...

26 Des 202450min

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