PODCAST

In Our Time: Science

BBC Radio 4

Scientific principles, theory, and the role of key figures in the advancement of science.

history

All Episodes

28:09

Genetic Determinism

In Our Time: Science ·

1999/09/23

Melvyn Bragg and guests discuss the theory of Genetic Determinism. In the middle of the last century two men - Gregor Mendel, an Austrian monk, and Charles Darwin, an English naturalist, established the central theories of modern biology and changed the world forever. Darwin’s On the Origin of Species has been described as the book of the Millennium, “the only best-seller to change man’s conception of himself”. Through the rediscovery of Mendel’s work in the early decades of our century,

28:14

Pain

In Our Time: Science ·

1999/07/22

Melvyn Bragg and guests discuss pain; something of which everyone has an individual experience. What causes it, how do we cope with it, what mechanisms are involved, what is the traditional view of pain and how is that being challenged today? Do we experience pain in the same way and how is emotional pain different from physical pain? What can our experience of pain tell us about ourselves and human consciousness? Is each individual human experience unique or are there experiences we can say apply

28:11

Intelligence

In Our Time: Science ·

1999/07/01

Melvyn Bragg and guests discuss a question that has stalked the twentieth century: Intelligence. Since the first IQ tests were invented in 1905, the question of what makes Homo Sapiens stupid and what makes him clever has involved human kind in sterilisation, racism and misery. How do we define intelligence, how do we measure it; what are its origins and how do we uncover it? But are we any closer to understanding what this elusive quality of intelligence is? The debate still rages as to whether we

28:09

The Great Disruption

In Our Time: Science ·

1999/06/17

Melvyn Bragg and guests discuss the shift that has gone on through the 20th century from our being an industrial society to what is often called ‘the information society’. Francis Fukuyama’s book, The Great Disruption talks of the third great shift in the whole history of humankind. Along with all the technological and economic changes, in the past thirty years we have seen massive social changes. What has been the cause of this shift and how will we recover the social cohesion that preceded it?

28:22

Memory and Culture

In Our Time: Science ·

1999/05/27

Melvyn Bragg and guests discuss memory. At the start of the twentieth century Freud put memory at the centre of our psychology, and as the century has worn on what a nation remembers and what it should try to forget has become one of the binding political questions that modern societies face. As every second passes, humanity has a moment more to remember, and perhaps this fact alone goes a long way to explaining the ever changing role of memory, both in the mind of individuals and at the heart of

28:22

The Universe's Origins

In Our Time: Science ·

1999/05/20

Melvyn Bragg examines the history of what we know about the origins of the universe. Some four hundred years ago in Rome, one Giordano Bruno was burnt at the stake for his belief in other inhabited worlds - it’s a possibility which has fascinated scientists, writers, artists and the general public for centuries - and any consideration of the origins of life and matter on other planets, and indeed this one, inevitably raises huge questions. Do other worlds exist? How did our planet come into

28:11

Mathematics

In Our Time: Science ·

1999/05/06

Melvyn Bragg and guests discuss the way perceptions of the importance of mathematics have fluctuated in the 20th century, the nature of mathematical ability, and what mathematics can show us about how life began, and how it might continue. Galileo wrote “this grand book the universe… is written in the language of mathematics”. It was said before Galileo and has been said since and in the last decades of the 20th century it is being said again, most emphatically. How important is maths in relation

28:17

Artificial Intelligence

In Our Time: Science ·

1999/04/29

Melvyn Bragg and guests discuss artificial intelligence. Can we create a machine that creates? Some argue so. And is consciousness, as we are, with headaches and tiffs and moods and small pleasures and sore feet - often all at the same time - capable of taking place in a machine? Artificial intelligence machines have been growing much more intelligent since Alan Turing’s pioneering days at Bletchley in World War Two. Its claims are now very grand indeed. It is 31 years since Stanley Kubrick and

28:16

Evolution

In Our Time: Science ·

1999/04/15

Melvyn Bragg examines the future of gene therapy and advances in evolutionary biology. Are we continuing to evolve? If so, what are the signs and if not, why not? And those apes, so very very near us in genetic kinship, why are they so far away in so much else, and will they ever evolve? And is evolution necessarily progression? If so, does our apparent lack of evolution mean lack of progress? Also on the evolutionary front, could electronic devices discover the means of self-replication, and what

28:15

Animal Experiments and Rights

In Our Time: Science ·

1999/03/18

Melvyn Bragg and guests discuss the role of animals in humankind's search for knowledge. Since the Greek physician Galen used pigs for anatomical studies in the 2nd century, animals have been used by scientists to further human knowledge. Yet few, if any subjects in this country, raise such violent feelings and passions as animals and their place in our society. With the growing politicisation of animal rights, it is a subject which is increasing in intensity. Do animals have rights and do our

28:03

Space in Religion and Science

In Our Time: Science ·

1999/02/18

Melvyn Bragg and guests discuss the history of thought about space, and examines whether cyberspace has introduced a new concept of space in our world or if its roots are in Einsteinian physics. It would have seemed extraordinary to Dante or Newton, from their different perspectives, that at the end of the 20th century there would be learned scholars who would find no place for religion in the great schemes of thought and belief. In the 20th century our notions of physical space have been

27:49

Language and the Mind

In Our Time: Science ·

1999/02/11

Melvyn Bragg and guests discuss the history of our ideas about the formation of language. The psychologist George Miller worked out that in English there are potentially a hundred million trillion sentences of twenty words in length - that’s a hundred times the number of seconds since the birth of the universe. “Language”, as Chomsky put it, “makes infinite use of finite media”. “Language”, as Steven Pinker puts it, “comes so naturally to us that it’s easy to forget what a strange and miraculous

28:16

Psychoanalysis and its Legacy

In Our Time: Science ·

1999/02/04

Melvyn Bragg and guests discuss the relevance of psychoanalysis at the end of the 20th century. It’s 100 years since Sigmund Freud, the founder of psychoanalysis, a term which he coined, published The Interpretation of Dreams. Sixty years after his death, Freud’s influence and the influence of that book, has been felt in the 20th century in everything from the arts, history and anthropology, to of course psychology and even science. Dreams have inspired political speeches, songs, and seduction,

27:43

Ageing

In Our Time: Science ·

1999/01/28

Melvyn Bragg and guests discuss ageing. In 1900, 1% of the world’s population were over 65. In the 1990s nearly 8% are. By the year 2020, nearly 1/5th of the world’s population will be over 65 - the figure rises to 25% in the UK. We are now living longer than at any time in our history. How much do economic factors, rather than biological factors, determine what ageing really means and our attitude to it? And what are the ethical, economic and biological implications of living longer?Tom

27:54

Genetic Engineering

In Our Time: Science ·

1999/01/14

Melvyn Bragg and guests discuss the implications of the developments in genetic engineering. Out of the city of Cambridge in the mid century came DNA and out of Edinburgh at the end of the century came the cloning of Dolly the sheep. These two facts might well do more to change the world literally, and our view of the world, than anything else that has happened at any time. Genetics have become the conversation of our day and with the Human Genome Project lumbering towards completion, its power

28:13

Neuroscience in the 20th century

In Our Time: Science ·

1998/12/24

Melvyn Bragg and guests marvel at our brains and discuss how at the end of a century of research we still understand so little about how they work.Developments in the understanding of the brain represent one of the major leaps forward in science in the 20th century, and the research is gathering pace and intensity. It’s a subject which captures the imagination, particularly the search for consciousness whatever that might be, and brings together some of the newest technology and the oldest belief

27:53

The Brain and Consciousness

In Our Time: Science ·

1998/11/19

Melvyn Bragg and guests discuss how our increased knowledge of the functioning of the brain and the mechanisms of memory in the 20th century has changed our feelings about our own natures, and our approach to the behaviour and treatment of others.Many questions have been thrown up this century by our growing knowledge about how the brain and the mind function. How easy is it to establish the relationship between the two, and what light can this relationship throw on our understanding of our own and

28:01

Science in the 20th century

In Our Time: Science ·

1998/11/05

Melvyn Bragg and guests discuss how perceptions of science and the power of science have changed in the 20th century. Does scientific endeavour increasingly concern itself with doubt rather than certainty, and is it coming any closer to integrating with other disciplines - philosophy or the social sciences? How much does the scientific explanation of the world owe to a wish for coherent understanding we all have, rather than objective observation, and why are we alternately disapproving of, then

28:00

Science's Revelations

In Our Time: Science ·

1998/10/29

Melvyn Bragg and guests discuss whether the mass of scientific understanding and knowledge we have accumulated has destroyed our sense of poetic wonder at the world. Has our sense of awe at how the world works obscured our desire to know why it works the way it does? With Richard Dawkins evolutionary biologist, reader in Zoology and Fellow of New College, Oxford, Charles Simonyi Chair of Public Understanding of Science, Oxford University and author of Unweaving The Rainbow: Science, Delusion and

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In Our Time: Science

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