In Our Time

In the 500th edition of the programme, Melvyn Bragg and his guests discuss the philosophical idea of free will. Free will - the extent to which we are free to choose our own actions - is one of the most absorbing philosophical problems, debated by almost every great thinker of the last two thousand years. In a universe apparently governed by physical laws, is it possible for individuals to be resp...

Melvyn Bragg and his guests discuss the age of the Universe. Since the 18th century, when scientists first realised that the Universe had existed for more than a few thousand years, cosmologists have debated its likely age. The discovery that the Universe was expanding allowed the first informed estimates of its age to be made by the great astronomer Edwin Hubble in the early decades of the twenti...

Melvyn Bragg and his guests discuss the Taiping Rebellion. In 1850 a Chinese Christian convert, Hong Xiuquan, proclaimed himself leader of a new dynasty, the Taiping Heavenly Kingdom. He and his followers marched against the ruling Qing dynasty, gathering huge support as they went. The ensuing civil war lasted fourteen years; around twenty million people lost their lives in a conflict which eventu...

Melvyn Bragg and his guests discuss the work and influence of Maimonides. Widely regarded as the greatest Jewish philosopher of the medieval period, Maimonides was also a physician and rabbinical authority. Also known as Rambam, his writings include a 14-volume work on Jewish law, the Mishneh Torah, which is still widely used today, and the Guide for the Perplexed, a central work of medieval philo...

Melvyn Bragg and his guests discuss the nervous system. Most animals have a nervous system, a network of nerve tissues which allows parts of the body to communicate with each other. In humans the most significant parts of this network are the brain, spinal column and retinas, which together make up the central nervous system. But there is also a peripheral nervous system, which enables sensation,...

Melvyn Bragg and his guests discuss the Battle of Bannockburn. On June 23rd 1314, Scottish forces under their king Robert the Bruce confronted a larger army commanded by the English monarch Edward II at Bannockburn. It was the culmination of a war of independence which had been going on since the English had invaded Scotland in 1296. After eighteen years of intermittent fighting the English had be...

Melvyn Bragg and his guests discuss Aristotle's Poetics. The Poetics is, as far as we know, the first ever work of literary theory. Written in the 4th century BC, it is the work of a scholar who was also a biologist, and treats literary works with the detached analytical eye of a scientist. Aristotle examines drama and epic poetry, and how they achieve their effects; he analyses tragedy and the wa...

Melvyn Bragg and his guests discuss the Mexican Revolution. In 1908 the President of Mexico, Porfirio Diaz, gave an interview to an American journalist. He was 77 and had ruled the country in autocratic fashion for over thirty years. He discussed the country's economic development and spoke of his intention to retire to his country estate after overseeing a transition to multiparty democracy. Thin...

Melvyn Bragg and his guests discuss randomness and pseudorandomness. Randomness is the mathematics of the unpredictable. Dice and roulette wheels produce random numbers: those which are unpredictable and display no pattern. But mathematicians also talk of 'pseudorandom' numbers - those which appear to be random but are not. In the last century random numbers have become enormously useful to statis...

Melvyn Bragg and his guests discuss Byron's poem Childe Harold's Pilgrimage. In 1812 the 24-year-old Lord Byron published the first part of a long narrative poem. It caused an instant sensation. "I awoke one morning and found myself famous", wrote Byron in his memorandum book, and the first edition sold out in three days. The poem narrates the life of an aristocrat on a grand tour of Europe. Its c...

Melvyn Bragg and his guests discuss the far-reaching consequences of the Industrial Revolution. After more than a century of rapid technological change, and the massive growth of its urban centres, Britain was changed forever. Lifestyles changed as workers moved from agricultural settlements to factory towns: health, housing and labour relations were all affected. But the effects were both social...

In the first of two programmes, Melvyn Bragg and his guests discuss the Industrial Revolution. Between the middle of the eighteenth century and the early years of the nineteenth, Britain was transformed. This was a revolution, but not a political one: over the course of a few generations industrialisation swept the nation. Inventions such as the machine loom and the steam engine changed the face o...

Melvyn Bragg and his guests discuss Daoism. An ancient Chinese tradition of philosophy and religious belief, Daoism first appeared more than two thousand years ago. For centuries it was the most popular religion in China; in the West its religious aspects are not as well known as its practices, which include meditation and Feng Shui, and for its most celebrated text, the Daodejing. The central aim...

Melvyn Bragg and his guests discuss the innovations and influence of Thomas Edison, one of the architects of the modern age. Edison is popularly remembered as the man who made cheap electric light possible. Born in 1847, he began his career working in the new industry of telegraphy, and while still in his early twenties made major improvements to the technology of the telegraph. Not long afterward...

Melvyn Bragg and his guests discuss Cleopatra. The last pharaoh to rule Egypt, Cleopatra was a woman of intelligence and charisma, later celebrated as a great beauty. During an eventful life she was ousted from her throne and later restored to it with the help of her lover Julius Caesar. A later relationship with another Roman statesman, Mark Antony - and Cleopatra's subsequent death at her own ha...

Melvyn Bragg and his guests discuss the history of metaphor. In Shakespeare's As You Like It, the melancholy Jaques declares: "All the world's a stage/And all the men and women merely players." This is a celebrated use of metaphor, a figure of speech in which one thing is used to describe another. Metaphor is a technique apparently as old as language itself; it is present in the earliest surviving...

Melvyn Bragg and his guests discuss John Foxe and his book Actes and Monuments, better known today as Foxe's Book of Martyrs. Born in 1517, John Foxe was an early Protestant who was forced to flee the persecutions which ensued when the Catholic Mary came to the English throne in 1553. He was a horrified observer on the Continent as more than three hundred of his countrymen were burnt at the stake....

Melvyn Bragg and his guests discuss the Volga Vikings. Between the 8th and the 10th centuries AD, fierce Scandinavian warriors raided and then settled large swathes of Europe, particularly Britain, Ireland and parts of northern France. These were the Vikings, and their story is well known today. Far fewer people realise that groups of Norsemen also travelled east. These Volga Vikings, also known a...

Melvyn Bragg and his guests discuss the role played by women in Enlightenment science. During the eighteenth century the opportunities for women to gain a knowledge of science were minimal. Universities and other institutions devoted to research were the preserve of men. Yet many important contributions to the science of the Enlightenment were made by women. These ranged from major breakthroughs l...

Melvyn Bragg and his guests discuss the unicorn. In the 5th century BC a Greek historian, Ctesias, described a strange one-horned beast which he believed to live in a remote area of India. Later classical scholars, including Aristotle and Pliny, added to his account of this animal which they called the monoceros, a vicious ass-like creature with a single horn in the middle of its forehead. For cen...

Melvyn Bragg and his guests discuss the history of logic. Logic, the study of reasoning and argument, first became a serious area of study in the 4th century BC through the work of Aristotle. He created a formal logical system, based on a type of argument called a syllogism, which remained in use for over two thousand years. In the nineteenth century the German philosopher and mathematician Gottlo...

Melvyn Bragg and his guests discuss the artistic movement known as Sturm und Drang. In the 1770s a small group of German writers started to produce plays, poetry and novels which were radically different from what had gone before. These writers were all young men, and they rejected the values of the Enlightenment, which they felt had robbed art of its spontaneity and feeling. Their work was passio...

Melvyn Bragg and his guests discuss the Spanish Armada. On May 28th, 1588, a fleet of a hundred and fifty-one Spanish ships set out from Lisbon, bound for England. Its mission was to transport a huge invasion force across the Channel: the Spanish King, Philip II, was determined to remove Elizabeth from the throne and return the English to the Catholic fold. Two months later the mighty Spanish Arma...

Melvyn Bragg and his guests discuss the Delphic Oracle, the most important source of prophecies in the ancient world. In central Greece, on the flank of Mount Parnassus, lies the ruined city of Delphi. For over a thousand years, between approximately 800 BC and 400 AD, this was the most sacred place in the ancient world. Its chief attraction was the Delphic Oracle, which predicted the future and o...

Melvyn Bragg and his guests discuss imaginary numbers. In the sixteenth century, a group of mathematicians in Bologna found a solution to a problem that had puzzled generations before them: a completely new kind of number. For more than a century this discovery was greeted with such scepticism that the great French thinker Rene Descartes dismissed it as an "imaginary" number. The name stuck - but...