The KT Boundary
In Our Time23 Kesä 2005

The KT Boundary

Melvyn Bragg and guests discuss the KT Boundary. Across the entire planet, where it hasn't been eroded or destroyed in land movements, there is a thin grey line. In Italy it is 1 cm thick, in America it stretches to three centimetres, but it is all the same thin grey line laid into the rock some 65 million years ago and it bears witness to a cataclysmic event experienced only once in Earth's history. It is called the KT Boundary and geologists believe it is the clue to the death of the dinosaurs and the ultimate reason why mammals and humans inherited the Earth.But exactly what did happen 65 million years ago? How was this extraordinary line created across the Earth and does it really hold the key to the death of the dinosaurs?With Simon Kelley, Head of Department in the Department of Earth Sciences, Open University, Jane Francis, Professor of Palaeoclimatology, University of Leeds; Mike Benton, Professor of Vertebrate Palaeontology in the Department of Earth Sciences, University of Bristol.

Jaksot(1078)

The Peasants’ Revolt

The Peasants’ Revolt

Melvyn Bragg and guests discuss the Peasants’ Revolt of 1381. “When Adam delved and Eve span, who was then the Gentleman?" these are the opening words of a rousing sermon, said to be by John Ball, which fires a broadside at the deeply hierarchical nature of fourteenth century England. Ball, along with Wat Tyler, was one of the principal leaders of the Peasants’ Revolt – his sermon ends: "I exhort you to consider that now the time is come, appointed to us by God, in which ye may (if ye will) cast off the yoke of bondage, and recover liberty". The subsequent events of June 1381 represent a pivotal and thrilling moment in England’s history, characterised by murder and mayhem, beheadings and betrayal, a boy-King and his absent uncle, and a general riot of destruction and death. By most interpretations, the course of this sensational story threatened to undermine the very fabric of government as an awareness of deep injustice was awakened in the general populace.But who were the rebels and how close did they really come to upending the status quo? And just how exaggerated are claims that the Peasants’ Revolt laid the foundations of the long-standing English tradition of radical egalitarianism? With Miri Rubin, Professor of Early Modern History at Queen Mary, University of London; Caroline Barron, Professorial Research Fellow at Royal Holloway, University of London; Alastair Dunn, author of The Peasants’ Revolt - England’s Failed Revolution of 1381.

16 Marras 200642min

Pope

Pope

Melvyn Bragg and guests discuss the life and work of Alexander Pope. His enemies – who were numerous - described him as a hunchbacked toad, twisted in body, twisted in mind, but Alexander Pope is without doubt one of the greatest poets of the English language. His acerbic wit and biting satire were the scourge of politicians, fellow writers and most especially the critics. He was the first Englishman to make a living from his pen, free from the shackles of patronage and flattery. Indeed, his sharp tongue meant he couldn’t go out walking without his Great Dane and a pair of loaded pistols. He was a ferocious businessman too, striking tough deals with his publishers, ensuring he kept control of his work and was well-rewarded for it. So how did Pope manage to transform himself from a crippled outsider into a major cultural and moral authority? How did he shape our ideas about what a “modern author” is? Does his work still have resonances today or is it too firmly embedded in the politics, cultural life and rivalries of the period?With John Mullan, Professor of English at University College London; Jim McLaverty, Professor of English at Keele University; Valerie Rumbold, Reader in English Literature at Birmingham University.

9 Marras 200641min

The Poincaré Conjecture

The Poincaré Conjecture

Melvyn Bragg and guests discuss the Poincaré Conjecture. The great French mathematician Henri Poincaré declared: “The scientist does not study mathematics because it is useful; he studies it because he delights in it, and he delights in it because it is beautiful. If nature were not beautiful, it would not be worth knowing and life would not be worth living. And it is because simplicity, because grandeur, is beautiful that we preferably seek simple facts, sublime facts, and that we delight now to follow the majestic course of the stars.” Poincaré’s ground-breaking work in the 19th and early 20th century has indeed led us to the stars and the consideration of the shape of the universe itself. He is known as the father of topology – the study of the properties of shapes and how they can be deformed. His famous Conjecture in this field has been causing mathematicians sleepless nights ever since. He is also credited as the Father of Chaos Theory.So how did this great polymath change the way we understand the world and indeed the universe? Why did his conjecture remain unproved for almost a century? And has it finally been cracked?With June Barrow-Green, Lecturer in the History of Mathematics at the Open University; Ian Stewart, Professor of Mathematics at the University of Warwick; Marcus du Sautoy, Professor of Mathematics at the University of Oxford.

2 Marras 200642min

The Encyclopédie

The Encyclopédie

Melvyn Bragg and guests discuss the French encyclopédie, the European Enlightenment in book form. One of its editors, D’Alembert, described its mission as giving an overview of knowledge, as if gazing down on a vast labyrinth of all the branches of human ideas, observing where they separate or unite and even catching sight of the secret routes between them. It was a project that attracted some of the greatest thinkers of the Enlightenment - Voltaire, Rousseau and Diderot - striving to bring together all that was known of the world in one comprehensive encyclopaedia. No subject was too great or too small, so while Voltaire wrote of “fantasie” and “elegance”, Diderot rolled up his sleeves and got to grips with jam-making.The resulting Encyclopédie was a bestseller - running to 28 volumes over more than 20 years, amidst censorship, bans, betrayals and reprieves. It even got them excited on this side of the Channel, with subscribers including Oliver Goldsmith, Samuel Johnson and Charles Burney. So what drove these men to such lengths that they were prepared to risk ridicule, prison, even exile? How did the Encyclopédie embody the values of the Enlightenment? And what was its legacy – did it really fuel the French Revolution? With Judith Hawley, Senior Lecturer in English at Royal Holloway, University of London; Caroline Warman, Fellow and Tutor in French at Jesus College, Oxford; David Wootton, Anniversary Professor of History at the University of York.

26 Loka 200642min

The Needham Question

The Needham Question

Melvyn Bragg and guests discuss the Needham Question; why Europe and not China developed modern technology. What do these things have in common? Fireworks, wood-block printing, canal lock-gates, kites, the wheelbarrow, chain suspension bridges and the magnetic compass. The answer is that they were all invented in China, a country that, right through the Middle Ages, maintained a cultural and technological sophistication that made foreign dignitaries flock to its imperial courts for trade and favour. But then, around 1700, the flow of ingenuity began to dry up and even reverse as Europe bore the fruits of the scientific revolution back across the globe. Why did Modern Science develop in Europe when China seemed so much better placed to achieve it? This is called the Needham Question, after Joseph Needham, the 20th century British Sinologist who did more, perhaps, than anyone else to try and explain it.But did Joseph Needham give a satisfactory answer to the question that bears his name? Why did China’s early technological brilliance not lead to the development of modern science and how did momentous inventions like gunpowder and printing enter Chinese society with barely a ripple and yet revolutionise the warring states of Europe? With Chris Cullen, Director of the Needham Research Institute in Cambridge; Tim Barrett, Professor of East Asian History at SOAS; Frances Wood, Head of Chinese Collections at the British Library.

19 Loka 200642min

The Diet of Worms

The Diet of Worms

Melvyn Bragg and guests discuss the Diet of Worms, an event that helped trigger the European Reformation. Nestled on a bend of the River Rhine, in the South West corner of Germany, is the City of Worms. It’s one of the oldest cities in central Europe; it still has its early city walls, its 11th century Romanesque cathedral and a 500-year-old printing industry, but in its centre is a statue of the monk, heretic and founder of the Protestant Reformation, Martin Luther. In 1521 Luther came to Worms to explain his attacks on the Catholic Church to the Holy Roman Emperor, Charles V, and the gathered dignitaries of the German lands. What happened at that meeting, called the Diet of Worms, tore countries apart, set nation against nation, felled kings and plunged dynasties into suicidal bouts of infighting. But why did Martin Luther risk execution to go to the Diet, what was at stake for the big players of medieval Europe and how did events at the Diet of Worms irrevocably change the history of Europe? With Diarmaid MacCulloch, Professor of the History of the Church at Oxford University; David Bagchi, Lecturer in the History of Christian Thought at the University of Hull; Reverend Dr Charlotte Methuen, Lecturer in Reformation History at the University of Oxford.

12 Loka 200642min

Averroes

Averroes

Melvyn Bragg and guests discuss the philosopher Averroes who worked to reconcile the theology of Islam with the rationality of Aristotle achieving fame and infamy in equal measure In The Divine Comedy Dante subjected all the sinners in Christendom to a series of grisly punishments, from being buried alive to being frozen in ice. The deeper you go the more brutal and bizarre the punishments get, but the uppermost level of Hell is populated not with the mildest of Christian sinners, but with non-Christian writers and philosophers. It was the highest compliment Dante could pay to pagan thinkers in a Christian cosmos and in Canto Four he names them all. Aristotle is there with Socrates and Plato, Galen, Zeno and Seneca, but Dante ends the list with neither a Greek nor a Roman but 'with him who made that commentary vast, Averroes'. Averroes was a 12th century Islamic scholar who devoted his life to defending philosophy against the precepts of faith. He was feted by Caliphs but also had his books burnt and suffered exile. Averroes is an intellectual titan, both in his own right and as a transmitter of ideas between ancient Greece and Modern Europe. His commentary on Aristotle was so influential that St Thomas Aquinas referred to him with profound respect as 'The Commentator'. But why did an Islamic philosopher achieve such esteem in the mind of a Christian Saint, how did Averroes seek to reconcile Greek philosophy with Islamic theology and can he really be said to have sown the seeds of the Renaissance in Europe? With Amira Bennison, Senior Lecturer in Middle Eastern and Islamic Studies at the University of Cambridge; Peter Adamson, Reader in Philosophy at King's College London; Sir Anthony Kenny, philosopher and former Master of Balliol College, Oxford.

5 Loka 200642min

Humboldt

Humboldt

Melvyn Bragg and guests discuss the Prussian naturalist and explorer Alexander Von Humboldt. He was possibly the greatest and certainly one of the most famous scientists of the 19th century. Darwin described him as 'the greatest scientific traveller who ever lived'. Goethe declared that one learned more from an hour in his company than eight days of studying books and even Napoleon was reputed to be envious of his celebrity.A friend of Goethe and an influence on Coleridge and Shelly, when Darwin went voyaging on the Beagle it was Humboldt's works he took for inspiration and guidance. At the time of his death in 1859, the year Darwin published On the Origin of Species, Humboldt was probably the most famous scientist in Europe. Add to this shipwrecks, homosexuality and Spanish American revolutionary politics and you have the ingredients for one of the more extraordinary lives lived in Europe (and elsewhere) in the 18th and 19th centuries. But what is Humboldt's true position in the history of science? How did he lose the fame and celebrity he once enjoyed and why is he now, perhaps, more important than he has ever been? With Jason Wilson, Professor of Latin American Literature at University College London, Patricia Fara, Affiliated Lecturer in the Department of History and Philosophy of Science at the University of Cambridge, Jim Secord, Professor in the Department of History and Philosophy of Science at the University of Cambridge and Director of the Darwin Correspondence Project.

28 Syys 200642min

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