In some ways the 21st century is a very unusual time when it comes to adolescence - a study in the US found that teenagers smoke less, drink less and have less sex than the previous generation. And worldwide young people are coming of age in a digital era, with the dangers and opportunities that represents. Our expectations of teenagers vary hugely depending on the social, historical and cultural context. Paleoanthropologist Ella Al-Shamahi takes us through the big evolutionary questions about adolescence: Why do humans go through this developmental stage? What's the point of all that teenage angst? And how come every generation stubbornly repeats the same mistakes?She is joined by a panel of experts:Laurence Steinberg is one of the world's leading experts on adolescence. He is Professor of Psychology and Neuroscience at Temple University in Philadelphia, USA. His latest book is called, 'You and Your Adult Child'.Emily Emmott is a lecturer in biological anthropology at University College London. She's currently researching the implications of the social environment around us during our teenage years.Jon Savage is a British writer and music journalist, best known for his history of the Sex Pistols and punk music. He's the author of 'Teenage: The Creation of Youth Culture'.Brenna Hassett is a bioarchaeologist at University College London and the author of 'Growing Up Human: The Evolution of Childhood'.Presented by Ella Al-ShamahiProduced by Jo ImpeyImage: Teenagers dance the twist around a radio cassette recorder in a street in the Harajuku district of Shibuya, Tokyo, Japan, 1978 (Photo by Keystone/Hulton Archive/Getty Images)

In some ways the 21st century is a very unusual time when it comes to adolescence - a study in the US found that teenagers smoke less, drink less and have less sex than the previous generation. And worldwide young people are coming of age in a digital era, with the dangers and opportunities that represents. Our expectations of teenagers vary hugely depending on the social, historical and cultural context. Paleoanthropologist Ella Al-Shamahi takes us through the big evolutionary questions about adolescence: Why do humans go through this developmental stage? What's the point of all that teenage angst? And how come every generation stubbornly repeats the same mistakes? She is joined by a panel of experts: Laurence Steinberg is one of the world's leading experts on adolescence. He is Professor of Psychology and Neuroscience at Temple University in Philadelphia, USA. His latest book is called, 'You and Your Adult Child'. Emily Emmott is a lecturer in biological anthropology at University College London. She's currently researching the implications of the social environment around us during our teenage years. Jon Savage is a British writer and music journalist, best known for his history of the Sex Pistols and punk music. He's the author of 'Teenage: The Creation of Youth Culture'. Brenna Hassett is a bioarchaeologist at University College London and the author of 'Growing Up Human: The Evolution of Childhood'. Presented by Ella Al-Shamahi Produced by Jo Impey Image: Teenagers dance the twist around a radio cassette recorder in a street in the Harajuku district of Shibuya, Tokyo, Japan, 1978 (Photo by Keystone/Hulton Archive/Getty Images)

The evolution of teenagers

From Bhutan to The Bahamas and Iceland to Indonesia, mass tourism has grown at an unprecedented rate over the last few decades. Today’s top destinations are struggling with the sheer numbers of visitors and the United Nations has called for a total rethink on how the industry operates. The origins of travel for pleasure go back centuries and package holidays in the 1960s made it accessible to many in the West but it’s only the combination of cheap flights and the advent of the internet that has led to truly global tourism on a mass scale. Whilst the industry now generates huge income for many companies and individuals around the globe, critics point to the cost to both the environment and humankind.   Drawing on listeners’ questions and comments, Rajan Datar examines the way mass tourism has impacted people’s lives, both positively and negatively, and asks if the enforced pause in tourism caused by Covid was utilised as an opportunity for a re-think. He is joined by Sihle Khumalo, a popular South African travel writer; Shazia Mirza, a renowned British comedienne and writer; Qupanuk Olsen, originally a mining engineer but now Greenland’s leading travel influencer; Prof. Noel Salazar, anthropologist of tourism from KU Leuven in Belgium; Iñigo Sánchez-Fuarros, senior researcher at the Institute of Heritage Sciences of the Spanish National Research Council and Dr. Birgit Trauer, tourism consultant and educator from Australia.[Photo: El Postiguet Beach in Alicante, Spain in the summer of 2022. Credit: Marcos del Mazo/LightRocket via Getty Images.]

From Bhutan to The Bahamas and Iceland to Indonesia, mass tourism has grown at an unprecedented rate over the last few decades. Today’s top destinations are struggling with the sheer numbers of visitors and the United Nations has called for a total rethink on how the industry operates. The origins of travel for pleasure go back centuries and package holidays in the 1960s made it accessible to many in the West but it’s only the combination of cheap flights and the advent of the internet that has led to truly global tourism on a mass scale. Whilst the industry now generates huge income for many companies and individuals around the globe, critics point to the cost to both the environment and humankind. Drawing on listeners’ questions and comments, Rajan Datar examines the way mass tourism has impacted people’s lives, both positively and negatively, and asks if the enforced pause in tourism caused by Covid was utilised as an opportunity for a re-think. He is joined by Sihle Khumalo, a popular South African travel writer; Shazia Mirza, a renowned British comedienne and writer; Qupanuk Olsen, originally a mining engineer but now Greenland’s leading travel influencer; Prof. Noel Salazar, anthropologist of tourism from KU Leuven in Belgium; Iñigo Sánchez-Fuarros, senior researcher at the Institute of Heritage Sciences of the Spanish National Research Council and Dr. Birgit Trauer, tourism consultant and educator from Australia. [Photo: El Postiguet Beach in Alicante, Spain in the summer of 2022. Credit: Marcos del Mazo/LightRocket via Getty Images.]

Global mass tourism

Are we in a new age of information warfare? The technology to create deepfakes has progressed steadily over the past decade and enables anyone to create videos of people saying and doing things they didn’t actually say or do. But the idea of manipulating video to spread misinformation is almost as old as film itself. Presenter Iszi Lawrence invites a panel of experts to tackle your questions about AI technology and the uses of deepfakes. Is this something we should be concerned or excited about? What can be done to detect and block malicious content? And what does this mean for our understanding of truth and reality?Iszi is joined by Francesca Panetta, Director of the AKO Storytelling Institute at the University of the Arts, London; Joshua Glick, Visiting Associate Professor of Film and Electronic Arts at Bard College, NY and Samantha Cole, senior Editor at Motherboard/Vice and author of 'How Sex Changed the Internet'. We also hear from artist and technologist Halsey Burgund and from listeners Brandy and Ahmad.Image: A digitised faceImage Credit: Getty Images

Are we in a new age of information warfare? The technology to create deepfakes has progressed steadily over the past decade and enables anyone to create videos of people saying and doing things they didn’t actually say or do. But the idea of manipulating video to spread misinformation is almost as old as film itself. Presenter Iszi Lawrence invites a panel of experts to tackle your questions about AI technology and the uses of deepfakes. Is this something we should be concerned or excited about? What can be done to detect and block malicious content? And what does this mean for our understanding of truth and reality? Iszi is joined by Francesca Panetta, Director of the AKO Storytelling Institute at the University of the Arts, London; Joshua Glick, Visiting Associate Professor of Film and Electronic Arts at Bard College, NY and Samantha Cole, senior Editor at Motherboard/Vice and author of 'How Sex Changed the Internet'. We also hear from artist and technologist Halsey Burgund and from listeners Brandy and Ahmad. Image: A digitised face Image Credit: Getty Images

A deep dive into deepfakes

When telecoms engineer Martin Cooper first chatted in public on a mobile phone 50 years ago few would have predicted that this brief telephone call would be the start of a revolution that would change the lives of billions.  Over the last half a century, the mobile has transformed not just how we communicate with each other but also how we view and interact with the world around us. However, recent research suggests that this may not all be for the best.Drawing on listeners comments and questions, Rajan Datar explores what sets the mobile phone apart from previous communication devices. Why did SMS messaging take off so quickly after a slow start in the 1990s? And how did the morphing of a portable phone into a pocket computer a decade later lead to a situation where many people now interact with their phone more than with any human? Rajan is joined by Scott Campbell, Professor of Telecommunications at the University of Michigan whose work focuses on meanings, uses and consequences of mobile communication in everyday life; behavioural psychologist Dr. Daria Kuss from Nottingham Trent University who specialises in cyberpsychology, technology use and addictive behaviours; and comedienne and PhD. candidate at Exeter University Helen Keen who is researching social connections at the Wellcome Centre for Cultures and Environments of Health. We also hear from educator Wong Fung Sing from Singapore and other listeners from around the world.(Photo: mobile phones in a stack on a table. Credit: iStock/Getty images)

When telecoms engineer Martin Cooper first chatted in public on a mobile phone 50 years ago few would have predicted that this brief telephone call would be the start of a revolution that would change the lives of billions. Over the last half a century, the mobile has transformed not just how we communicate with each other but also how we view and interact with the world around us. However, recent research suggests that this may not all be for the best. Drawing on listeners comments and questions, Rajan Datar explores what sets the mobile phone apart from previous communication devices. Why did SMS messaging take off so quickly after a slow start in the 1990s? And how did the morphing of a portable phone into a pocket computer a decade later lead to a situation where many people now interact with their phone more than with any human? Rajan is joined by Scott Campbell, Professor of Telecommunications at the University of Michigan whose work focuses on meanings, uses and consequences of mobile communication in everyday life; behavioural psychologist Dr. Daria Kuss from Nottingham Trent University who specialises in cyberpsychology, technology use and addictive behaviours; and comedienne and PhD. candidate at Exeter University Helen Keen who is researching social connections at the Wellcome Centre for Cultures and Environments of Health. We also hear from educator Wong Fung Sing from Singapore and other listeners from around the world. (Photo: mobile phones in a stack on a table. Credit: iStock/Getty images)

How the mobile phone changed everything

Given the submarine's importance to many of the world's navies, it's perhaps surprising to learn that for many years it was considered an inventor's folly and of little use in maritime warfare.  Indeed the submarine had a difficult birth because of the technical challenges involved in putting a moving vessel underwater, challenges that could only be overcome once the technology became available.The submarine eventually proved its potential in World War I, where its ability to pass undetected ushered in a new era of ‘unrestricted warfare’.  Since then, it has never looked back and today’s submarines are capable of remaining submerged for months at a time – the ultimate stealth weapon.  As navies modernise, what has traditionally been an exclusively male service is now opening up to women in some countries.Rajan Datar prowls the ocean's depths to find out more about the 'silent service', along with submarine designer Professor David Andrews from the Mechanical Engineering department of University College London; historian Axel Niestlé, author of German U-boat Losses in World War II; George Malcolmson, the curator of the British Royal Navy's submarine museum; and author Eric Wertheim, editor of the US Naval Institute’s reference book Combat Fleets of the World.Image: Karelia nuclear-powered submarine, Murmansk, Russia, 2018Credit: Lev Fedoseyev/Getty Images

Given the submarine's importance to many of the world's navies, it's perhaps surprising to learn that for many years it was considered an inventor's folly and of little use in maritime warfare. Indeed the submarine had a difficult birth because of the technical challenges involved in putting a moving vessel underwater, challenges that could only be overcome once the technology became available. The submarine eventually proved its potential in World War I, where its ability to pass undetected ushered in a new era of ‘unrestricted warfare’. Since then, it has never looked back and today’s submarines are capable of remaining submerged for months at a time – the ultimate stealth weapon. As navies modernise, what has traditionally been an exclusively male service is now opening up to women in some countries. Rajan Datar prowls the ocean's depths to find out more about the 'silent service', along with submarine designer Professor David Andrews from the Mechanical Engineering department of University College London; historian Axel Niestlé, author of German U-boat Losses in World War II; George Malcolmson, the curator of the British Royal Navy's submarine museum; and author Eric Wertheim, editor of the US Naval Institute’s reference book Combat Fleets of the World. Image: Karelia nuclear-powered submarine, Murmansk, Russia, 2018 Credit: Lev Fedoseyev/Getty Images

The submarine: Stealth machine

Hazel Scott

A child prodigy on the piano, then a glamorous jazz and popular music entertainer, a civil rights campaigner and the first black American woman to host her own TV show: for the first three decades of her life, Hazel Scott’s rise to fame was vertiginous.Born in Trinidad in 1920, Scott was the headliner in some of New York’s most fashionable clubs by the time she was twenty. A couple of years later she became one of Hollywood’s highest paid entertainers and then married one of the most high-profile US Congressmen of her day. Their celebrity lifestyle regularly featured on newspaper front pages, Scott’s records were selling well and her syndicated TV show was given double airtime because it was so popular. And then, almost overnight, she vanished from public view. What happened?That's one of the questions Rajan Datar discusses with Scott's biographer and actor Karen Chilton; Loren Schoenberg, saxophonist, bandleader and Senior Scholar of the National Jazz Museum in Harlem; and playwright, lyricist and broadcaster Murray Horwitz.(Image: Hazel Scott in the 1950s. Credit: Archive Photos/Getty Images)

A child prodigy on the piano, then a glamorous jazz and popular music entertainer, a civil rights campaigner and the first black American woman to host her own TV show: for the first three decades of her life, Hazel Scott’s rise to fame was vertiginous. Born in Trinidad in 1920, Scott was the headliner in some of New York’s most fashionable clubs by the time she was twenty. A couple of years later she became one of Hollywood’s highest paid entertainers and then married one of the most high-profile US Congressmen of her day. Their celebrity lifestyle regularly featured on newspaper front pages, Scott’s records were selling well and her syndicated TV show was given double airtime because it was so popular. And then, almost overnight, she vanished from public view. What happened? That's one of the questions Rajan Datar discusses with Scott's biographer and actor Karen Chilton; Loren Schoenberg, saxophonist, bandleader and Senior Scholar of the National Jazz Museum in Harlem; and playwright, lyricist and broadcaster Murray Horwitz. (Image: Hazel Scott in the 1950s. Credit: Archive Photos/Getty Images)

Hazel Scott: Jazz star and barrier breaker

Do you like cocoa? You are in good company: in South and Central America people have been enjoying the fruit of the cacao tree - the source of cocoa, chocolate and much else - for thousands of years. Ancient empires fought battles for the control of the best trees, cacao beans were used as currency, and being able to make a tasty cacao drink could even save your life. To trace the history of cacao in Latin America, Bridget Kendall is joined by archaeologist Cameron McNeil, chef and food historian Maricel Presilla and geneticist and cacao researcher Juan Carlos Motamayor. The reader is Joseph Balderama.(Photo: A cropped cocoa pod lies over dried cacao beans. Credit: Getty Images)

Do you like cocoa? You are in good company: in South and Central America people have been enjoying the fruit of the cacao tree - the source of cocoa, chocolate and much else - for thousands of years. Ancient empires fought battles for the control of the best trees, cacao beans were used as currency, and being able to make a tasty cacao drink could even save your life. To trace the history of cacao in Latin America, Bridget Kendall is joined by archaeologist Cameron McNeil, chef and food historian Maricel Presilla and geneticist and cacao researcher Juan Carlos Motamayor. The reader is Joseph Balderama. (Photo: A cropped cocoa pod lies over dried cacao beans. Credit: Getty Images)

The bittersweet tale of cocoa

The Hoover Dam in the US, the Aswan Dam in Egypt and the recently opened, and sumptuously named, Grand Ethiopian Renaissance dam. Since modern times, huge mega dams like these to tame rivers, create water storage and hydropower, have become a symbol of nationhood used to create national pride and bolster political power, from the Cold War to today. Nehru, the first Prime Minister of India, called dams the temples of modern India. But dams have also been highly controversial, displacing rural populations, disrupting local ecology and more recently it’s been shown that dams can increase the amount of greenhouse gases in the earth’s atmosphere. So why are so many countries like China still highly involved in dam building, and will they need to change tack in the future? And, could the humble beaver offer a solution?To discuss the past, present, and future of dam building, Rajan Datar is joined by Nikita Sud, Professor of the Politics of Development at Oxford University; Donald C. Jackson the Cornelia F. Hugel Professor of History at La Fayette University in the US and author of many books on the history of dam building, including Building the Ultimate Dam: John S. Eastwood and the Control of Water in the West; and Dr Majed Akhter, a political geographer who is senior lecturer in Geography at King’s College London. With the contribution of Dr Emily Fairfax, an ecohydrologist with an expertise in beaver activity and beaver dams from California State university Channel Islands in the US. Produced by Anne Khazam for the BBC World Service.(Photo: The Hoover Dam on the Colorado River straddling Nevada and Arizona at dawn. Credit: Sean Pavone via Getty Images)

The Hoover Dam in the US, the Aswan Dam in Egypt and the recently opened, and sumptuously named, Grand Ethiopian Renaissance dam. Since modern times, huge mega dams like these to tame rivers, create water storage and hydropower, have become a symbol of nationhood used to create national pride and bolster political power, from the Cold War to today. Nehru, the first Prime Minister of India, called dams the temples of modern India. But dams have also been highly controversial, displacing rural populations, disrupting local ecology and more recently it’s been shown that dams can increase the amount of greenhouse gases in the earth’s atmosphere. So why are so many countries like China still highly involved in dam building, and will they need to change tack in the future? And, could the humble beaver offer a solution? To discuss the past, present, and future of dam building, Rajan Datar is joined by Nikita Sud, Professor of the Politics of Development at Oxford University; Donald C. Jackson the Cornelia F. Hugel Professor of History at La Fayette University in the US and author of many books on the history of dam building, including Building the Ultimate Dam: John S. Eastwood and the Control of Water in the West; and Dr Majed Akhter, a political geographer who is senior lecturer in Geography at King’s College London. With the contribution of Dr Emily Fairfax, an ecohydrologist with an expertise in beaver activity and beaver dams from California State university Channel Islands in the US. Produced by Anne Khazam for the BBC World Service. (Photo: The Hoover Dam on the Colorado River straddling Nevada and Arizona at dawn. Credit: Sean Pavone via Getty Images)

The dam builders

From Persia to India to Greece – they called him The Great – that is Alexander the Great. Also known as Alexander III of Macedon, he was one of the most successful military leaders of all time. Undefeated by the time of his death in 323 BCE, he is still a go-to figure when people want to define an empire builder. But how should we view this often cruel and destructive militarist today in the light of current world events? And, despite his brutality, like his ransacking of the beautiful capital city of Persepolis, is there a more progressive side to Alexander, his desire for cultural assimilation for instance, that explains why he became an inspiration not just to nationalists and imperialists but also to writers, poets, and the gay community?To discuss the relevance of Alexander the Great today, Rana Mitter is joined by James Romm, Professor of Classics at Bard College in New York state whose latest book is Demetrius: Sacker of Cities, the failed but would-be successor to Alexander the Great; Dr Haila Manteghi from the University of Münster in Germany who’s the author of Alexander the Great in the Persian tradition; Ali Ansari, Professor of Iranian History at the University of St Andrews in the UK; and Meg Finlayson, a specialist on the evolution of the queer Alexander, from the University of Durham in the UK.Produced by Anne Khazam for the BBC World Service.(Photo: The Alexander mosaic, a Roman floor mosaic from Pompei that dates from circa 100 BCE. Credit: Simone Crespiatico via Getty images)

From Persia to India to Greece – they called him The Great – that is Alexander the Great. Also known as Alexander III of Macedon, he was one of the most successful military leaders of all time. Undefeated by the time of his death in 323 BCE, he is still a go-to figure when people want to define an empire builder. But how should we view this often cruel and destructive militarist today in the light of current world events? And, despite his brutality, like his ransacking of the beautiful capital city of Persepolis, is there a more progressive side to Alexander, his desire for cultural assimilation for instance, that explains why he became an inspiration not just to nationalists and imperialists but also to writers, poets, and the gay community? To discuss the relevance of Alexander the Great today, Rana Mitter is joined by James Romm, Professor of Classics at Bard College in New York state whose latest book is Demetrius: Sacker of Cities, the failed but would-be successor to Alexander the Great; Dr Haila Manteghi from the University of Münster in Germany who’s the author of Alexander the Great in the Persian tradition; Ali Ansari, Professor of Iranian History at the University of St Andrews in the UK; and Meg Finlayson, a specialist on the evolution of the queer Alexander, from the University of Durham in the UK. Produced by Anne Khazam for the BBC World Service. (Photo: The Alexander mosaic, a Roman floor mosaic from Pompei that dates from circa 100 BCE. Credit: Simone Crespiatico via Getty images)

Alexander the Great or not so great?

From coronations to cup finals, many of us love a big event, a ceremony with age-old observances. Indeed rituals, whether public spectaculars or more personal ones, such as a particular daily routine, have been part of human experience since time began. But why do rituals persist even though so many of them seem to serve no obvious practical purpose?Rajan Datar looks for clues in our past with the help of Egyptologist Dr. Elizabeth Frood and historian of Venice Prof. Edward Muir. It turns out that non-human animals – for instance elephants -  also display ritual-like behaviour and not always for practical reasons. We hear from a leading behavioural ecologist, Dr. Caitlin O’Connell-Rodwell.We examine whether rituals really do remain unchanging through time: it might seem to be their essential characteristic but in reality they continuously evolve. And what about the power of contemporary collective ceremonies and the strong emotions that swell inside us from being part of a huge crowd? Anthropologist Dr. Dimitris Xygalatas gives us his insights.(Photo: Shinto priests conduct the Oharae ritual in Tokyo. Credit:  Tomohiro Ohsumi/Getty Images)

From coronations to cup finals, many of us love a big event, a ceremony with age-old observances. Indeed rituals, whether public spectaculars or more personal ones, such as a particular daily routine, have been part of human experience since time began. But why do rituals persist even though so many of them seem to serve no obvious practical purpose? Rajan Datar looks for clues in our past with the help of Egyptologist Dr. Elizabeth Frood and historian of Venice Prof. Edward Muir. It turns out that non-human animals – for instance elephants - also display ritual-like behaviour and not always for practical reasons. We hear from a leading behavioural ecologist, Dr. Caitlin O’Connell-Rodwell. We examine whether rituals really do remain unchanging through time: it might seem to be their essential characteristic but in reality they continuously evolve. And what about the power of contemporary collective ceremonies and the strong emotions that swell inside us from being part of a huge crowd? Anthropologist Dr. Dimitris Xygalatas gives us his insights. (Photo: Shinto priests conduct the Oharae ritual in Tokyo. Credit: Tomohiro Ohsumi/Getty Images)

Rituals: Our anchors in a changing world

The programme that explains the present by exploring the past.

Drawing on traditional music, pop culture, kitsch, rock and modernist poetry to mention just a few of their sources of inspiration, the short-lived Tropicália movement in late 1960s Brazil was provocative and anti-authoritarian.  Perhaps most importantly it represented a uniquely Brazilian aesthetic that could only have emerged from that country’s specific culture and history.The movement’s leading lights were eventually arrested by the military regime that governed Brazil at the time, and exiled to London.  But Tropicália paved the way for other performers to demand artistic freedom.With the help of musical examples, Rajan Datar and guests will explore what made Tropicália so disruptive.  Joining Rajan will be singer Mônica Vasçoncelos and guitarist Gui Tavares, social scientist Professor Liv Sovik from the Federal University of Rio de Janeiro, who’s published widely on Tropicália, including a collection of essays entitled Tropicália Rex: Popular music and Brazilian culture; and David Treece, Emeritus professor of Portuguese at King’s College, London, who’s written extensively on Brazilian popular music, including the book Brazilian Jive: From Samba to Bossa and Rap. Produced by Fiona Clampin for the BBC World Service(Image: Gilberto Gil in The Unique Concert at The Reunion in France. Credit: IMAZ PRESS/Gamma-Rapho via Getty Images)

Drawing on traditional music, pop culture, kitsch, rock and modernist poetry to mention just a few of their sources of inspiration, the short-lived Tropicália movement in late 1960s Brazil was provocative and anti-authoritarian. Perhaps most importantly it represented a uniquely Brazilian aesthetic that could only have emerged from that country’s specific culture and history. The movement’s leading lights were eventually arrested by the military regime that governed Brazil at the time, and exiled to London. But Tropicália paved the way for other performers to demand artistic freedom. With the help of musical examples, Rajan Datar and guests will explore what made Tropicália so disruptive. Joining Rajan will be singer Mônica Vasçoncelos and guitarist Gui Tavares, social scientist Professor Liv Sovik from the Federal University of Rio de Janeiro, who’s published widely on Tropicália, including a collection of essays entitled Tropicália Rex: Popular music and Brazilian culture; and David Treece, Emeritus professor of Portuguese at King’s College, London, who’s written extensively on Brazilian popular music, including the book Brazilian Jive: From Samba to Bossa and Rap. Produced by Fiona Clampin for the BBC World Service (Image: Gilberto Gil in The Unique Concert at The Reunion in France. Credit: IMAZ PRESS/Gamma-Rapho via Getty Images)

Tropicália: the movement that defied Brazil’s dictatorship

Nearly everything we consume is transported by ship. The biggest container ships in the world are among the largest moving structures made by man and can carry over 24,000 20-foot container units. The standardisation of these simple metal containers in the 1950s and 60s marked a turning point in world trade, driving down costs and ultimately fuelling globalisation. Now that supply chains have become ever more complex and been put under increasing strain, we take a look at the history of the shipping container.Joining Rajan Datar are Marc Levinson, American historian and economist and author of The Box: How the Shipping Container Made the World Smaller and the World Economy Bigger; Alan McKinnon, professor of Logistics at Kühne Logistics University in Hamburg and author of Decarbonising Logistics: Distributing Goods in a Low Carbon World; Yash Gupta, shipping industry expert with over 20 years’ experience in vessel management and logistics. Presenter: Rajan DatarProducer: Jo Impey for BBC World Service(Photo: Aerial view of a container ship passing under a suspension bridge with truck crossing above. Credit: Shaul/Getty Images)

Nearly everything we consume is transported by ship. The biggest container ships in the world are among the largest moving structures made by man and can carry over 24,000 20-foot container units. The standardisation of these simple metal containers in the 1950s and 60s marked a turning point in world trade, driving down costs and ultimately fuelling globalisation. Now that supply chains have become ever more complex and been put under increasing strain, we take a look at the history of the shipping container. Joining Rajan Datar are Marc Levinson, American historian and economist and author of The Box: How the Shipping Container Made the World Smaller and the World Economy Bigger; Alan McKinnon, professor of Logistics at Kühne Logistics University in Hamburg and author of Decarbonising Logistics: Distributing Goods in a Low Carbon World; Yash Gupta, shipping industry expert with over 20 years’ experience in vessel management and logistics. Presenter: Rajan Datar Producer: Jo Impey for BBC World Service (Photo: Aerial view of a container ship passing under a suspension bridge with truck crossing above. Credit: Shaul/Getty Images)

How the shipping container changed the world

Developments in new technology such as DNA sequencing have transformed our understanding of the Neanderthals, one of a group of archaic humans who occupied Europe, the Middle East and Western Asia more than 300,000 years ago.First identified by fossil remains in 1856 in a German quarry, the Neanderthals led an extremely physical existence as hunter-gatherers. They were stronger than us, adaptable as a species to huge variations in climate, with brains as large as ours and sophisticated ways of creating tools.Many of us carry some of the DNA of Neanderthals, thanks to interbreeding with homo sapiens.  Although the Neanderthals today are no longer with us, their story has a lot to tell us about ourselves and our future survival on the planet.  Rajan Datar is joined by Janet Kelso, a computational biologist and Group Leader of the Minerva Research Group for Bioinformatics at the Max Planck Institute for Evolutionary Anthropology.  She specialises in the analysis of DNA sequencing of ancient people such as Neanderthals; Katerina Harvati, the Senckenberg Professor for Paleoanthropology and Director of the Institute for Archaeological Sciences at the University of Tübingen.  Her work focuses on the origins of modern humans and Neanderthal evolution; and archaeologist and writer Rebecca Wragg Sykes, Honorary Fellow in the School of Archaeology, Classics and Egyptology at the University of Liverpool.  Her award-winning book Kindred: Neanderthal Life, Love, Death and Art was published in 2020.Produced by Fiona Clampin for the BBC World Service (Image: Neanderthal Female, re-created by artists Andrie and Alfons Kennis. Photo: Joe McNally/Getty Images)

Developments in new technology such as DNA sequencing have transformed our understanding of the Neanderthals, one of a group of archaic humans who occupied Europe, the Middle East and Western Asia more than 300,000 years ago. First identified by fossil remains in 1856 in a German quarry, the Neanderthals led an extremely physical existence as hunter-gatherers. They were stronger than us, adaptable as a species to huge variations in climate, with brains as large as ours and sophisticated ways of creating tools. Many of us carry some of the DNA of Neanderthals, thanks to interbreeding with homo sapiens. Although the Neanderthals today are no longer with us, their story has a lot to tell us about ourselves and our future survival on the planet. Rajan Datar is joined by Janet Kelso, a computational biologist and Group Leader of the Minerva Research Group for Bioinformatics at the Max Planck Institute for Evolutionary Anthropology. She specialises in the analysis of DNA sequencing of ancient people such as Neanderthals; Katerina Harvati, the Senckenberg Professor for Paleoanthropology and Director of the Institute for Archaeological Sciences at the University of Tübingen. Her work focuses on the origins of modern humans and Neanderthal evolution; and archaeologist and writer Rebecca Wragg Sykes, Honorary Fellow in the School of Archaeology, Classics and Egyptology at the University of Liverpool. Her award-winning book Kindred: Neanderthal Life, Love, Death and Art was published in 2020. Produced by Fiona Clampin for the BBC World Service (Image: Neanderthal Female, re-created by artists Andrie and Alfons Kennis. Photo: Joe McNally/Getty Images)

Neanderthals: Meet the relatives

A Russian army stands at the gates of the capital of another country, a country that Russia has previously occupied and one that, according to Russian politicians, has no right to independent existence. Sounds familiar? That capital city was Warsaw and the year was 1920. But what happened in Poland just after the end of World War One bears strong similarities to what went on near Kyiv in 2022.After the First World War, Russian Bolsheviks, and Lenin in particular, wanted to reoccupy Poland, and indeed Ukraine, Belarus and some other countries, so that they could serve as a bridge for exporting communist revolution to Western Europe. The Poles resisted even though at first they were outnumbered and outgunned by the Russians. The result was the Polish-Bolshevik war which was not fully resolved until 1921 and which had a big impact on the future shape of inter-war Europe.To guide us through the Polish-Bolshevik war are three distinguished historians: Dr. Pawel Duber, researcher at Nottingham Trent University whose work focuses on Poland in the first half of the 20th Century; Anita Prazmowska, professor of International History at London School of Economics and the author of many publications on Polish history in the last century and beyond; Robert Service, emeritus professor of Russian history at Oxford University, whose books cover Russia from the Mongol conquest to Putin.(Photo: Red Army on the Polish front, c.1920. Credit: Photo 12/Getty Images)

A Russian army stands at the gates of the capital of another country, a country that Russia has previously occupied and one that, according to Russian politicians, has no right to independent existence. Sounds familiar? That capital city was Warsaw and the year was 1920. But what happened in Poland just after the end of World War One bears strong similarities to what went on near Kyiv in 2022. After the First World War, Russian Bolsheviks, and Lenin in particular, wanted to reoccupy Poland, and indeed Ukraine, Belarus and some other countries, so that they could serve as a bridge for exporting communist revolution to Western Europe. The Poles resisted even though at first they were outnumbered and outgunned by the Russians. The result was the Polish-Bolshevik war which was not fully resolved until 1921 and which had a big impact on the future shape of inter-war Europe. To guide us through the Polish-Bolshevik war are three distinguished historians: Dr. Pawel Duber, researcher at Nottingham Trent University whose work focuses on Poland in the first half of the 20th Century; Anita Prazmowska, professor of International History at London School of Economics and the author of many publications on Polish history in the last century and beyond; Robert Service, emeritus professor of Russian history at Oxford University, whose books cover Russia from the Mongol conquest to Putin. (Photo: Red Army on the Polish front, c.1920. Credit: Photo 12/Getty Images)

Cavalry and code-breaking: The Polish-Soviet war

The pandemic has made us all rethink how we work. Where once millions of people used to travel into work in tall glass buildings in big cities every day, now our idea of the office has come to include the kitchen table or maybe even a coffee shop. Yet despite the temptation to shift permanently to remote working, many organisations say the events of the past few years have actually underlined the importance of offices as spaces that connect people. So what are offices for? We are delving back into the history of the modern office to learn how past designs could help us in the future. Presenter Rajan Datar is joined by three guest experts:Nigel Oseland is an environmental psychologist and consultant at Workplace Unlimited in the UK. He's the author of Beyond the Workplace Zoo: Humanising the Office.Jennifer Kaufmann-Buhler is Associate Professor of Design History at Purdue University in West Lafayette, Indiana. She's the author of Open Plan: A Design History of the American Office.And Agustin Chevez is a workplace researcher and architect, and Adjunct Research Fellow at the Centre for Design Innovation at Swinburne University in Melbourne, Australia. He's the author of The Pilgrim's Guide to the Workplace.Producer: Jo Impey(Photo: Modern coworking interior with an open-plan office lounge and plants; Credit: ExperienceInteriors/Getty Images)

The pandemic has made us all rethink how we work. Where once millions of people used to travel into work in tall glass buildings in big cities every day, now our idea of the office has come to include the kitchen table or maybe even a coffee shop. Yet despite the temptation to shift permanently to remote working, many organisations say the events of the past few years have actually underlined the importance of offices as spaces that connect people. So what are offices for? We are delving back into the history of the modern office to learn how past designs could help us in the future. Presenter Rajan Datar is joined by three guest experts: Nigel Oseland is an environmental psychologist and consultant at Workplace Unlimited in the UK. He's the author of Beyond the Workplace Zoo: Humanising the Office. Jennifer Kaufmann-Buhler is Associate Professor of Design History at Purdue University in West Lafayette, Indiana. She's the author of Open Plan: A Design History of the American Office. And Agustin Chevez is a workplace researcher and architect, and Adjunct Research Fellow at the Centre for Design Innovation at Swinburne University in Melbourne, Australia. He's the author of The Pilgrim's Guide to the Workplace. Producer: Jo Impey (Photo: Modern coworking interior with an open-plan office lounge and plants; Credit: ExperienceInteriors/Getty Images)

How we work: Redesigning the office

In the summer of 1946 inflation in Hungary reached 41.9 quadrillion per cent. That’s 41.9 followed by 14 zeros – the highest rate of inflation ever recorded anywhere in the world. It meant prices of everyday goods and services doubled, on average, every 15 hours.As the shattered country struggled to get to its feet after World War Two, weighed down by a Soviet occupation and punishing reparations, its government had little choice but to print more and more money, further fuelling the price spiral.The hyperinflation stripped wages of almost all their value and plunged millions of Hungarians into a new fight for survival, but as they lost all faith in banknotes they turned to ever more inventive ways to trade and earn a living. We discuss how life for ordinary Hungarians changed amidst the chaos, what caused and eventually halted the economic disaster, and what the whole episode can tell us about the meaning of money. Bridget Kendall is joined by Béla Tomka, professor of modern social and economic history at the University of Szeged, in Hungary; László Borhi, the Peter A Kadas Chair and associate professor in the Department of Central Eurasian Studies in the Hamilton-Lugar School at Indiana University, USA; and Pierre Siklos, professor of economics at Wilfrid Laurier University in Waterloo, Canada.Producer: Simon Tulett(Picture: Hungarian pengo banknotes lying on the ground in Budapest. Credit: Louis Foucherand/AFP via Getty Images)

In the summer of 1946 inflation in Hungary reached 41.9 quadrillion per cent. That’s 41.9 followed by 14 zeros – the highest rate of inflation ever recorded anywhere in the world. It meant prices of everyday goods and services doubled, on average, every 15 hours. As the shattered country struggled to get to its feet after World War Two, weighed down by a Soviet occupation and punishing reparations, its government had little choice but to print more and more money, further fuelling the price spiral. The hyperinflation stripped wages of almost all their value and plunged millions of Hungarians into a new fight for survival, but as they lost all faith in banknotes they turned to ever more inventive ways to trade and earn a living. We discuss how life for ordinary Hungarians changed amidst the chaos, what caused and eventually halted the economic disaster, and what the whole episode can tell us about the meaning of money. Bridget Kendall is joined by Béla Tomka, professor of modern social and economic history at the University of Szeged, in Hungary; László Borhi, the Peter A Kadas Chair and associate professor in the Department of Central Eurasian Studies in the Hamilton-Lugar School at Indiana University, USA; and Pierre Siklos, professor of economics at Wilfrid Laurier University in Waterloo, Canada. Producer: Simon Tulett (Picture: Hungarian pengo banknotes lying on the ground in Budapest. Credit: Louis Foucherand/AFP via Getty Images)

When money died: The world's worst inflation

Rachel Carson

Rachel Carson’s 1962 book Silent Spring has probably done more than any other to raise concerns about the damage that uncontrolled use of chemicals can cause to the natural world. Carson imagined a ‘silent spring’ in a world where birds no longer sang, killed off by indiscriminate spraying of pesticides. Her plea for caution when using insecticides led to major changes in government regulation of agrochemicals both in the United States and elsewhere.So who was Rachel Carson? How did this scientist with a passionate interest in marine biology turn first into a best-selling author and then into an environmental campaigner?  And - six decades on - have the warnings of Silent Spring been heeded?Bridget Kendall is joined by Dr. Sabine Clarke, Senior Lecturer in Modern History at University of York with a particular interest in the history of synthetic insecticides; Michelle Ferrari, an award-winning film maker who directed a documentary about Rachel Carson's life for the American public broadcaster PBS; and Professor David Kinkela, an environmental historian and chair of the Department of History at Fredonia, State University of New York whose books include 'DDT and the American Century'. The reader is Ina Marie Smith.(Photo: Airplane dusting a field with DDT. Credit: Bettmann/Getty Images)

Rachel Carson’s 1962 book Silent Spring has probably done more than any other to raise concerns about the damage that uncontrolled use of chemicals can cause to the natural world. Carson imagined a ‘silent spring’ in a world where birds no longer sang, killed off by indiscriminate spraying of pesticides. Her plea for caution when using insecticides led to major changes in government regulation of agrochemicals both in the United States and elsewhere. So who was Rachel Carson? How did this scientist with a passionate interest in marine biology turn first into a best-selling author and then into an environmental campaigner? And - six decades on - have the warnings of Silent Spring been heeded? Bridget Kendall is joined by Dr. Sabine Clarke, Senior Lecturer in Modern History at University of York with a particular interest in the history of synthetic insecticides; Michelle Ferrari, an award-winning film maker who directed a documentary about Rachel Carson's life for the American public broadcaster PBS; and Professor David Kinkela, an environmental historian and chair of the Department of History at Fredonia, State University of New York whose books include 'DDT and the American Century'. The reader is Ina Marie Smith. (Photo: Airplane dusting a field with DDT. Credit: Bettmann/Getty Images)

The writer Rachel Carson who fought insecticide wars

Why do we divide our lives into 7-day chunks? Unlike the day, month or year, there’s no natural reason for this cycle, but nevertheless the week is now deeply ingrained in us and has proven very resistant to change. We explore the pagan, religious and early scientific roots of this man-made rhythm, the ideological battles fought over it, and the reason why the number seven came out on top. Our expert guests explain where the names of our days come from, why the weekend was born, and how the week has come to dominate our economic and social lives. There have, however, been several radical attempts to rip up the 7-day week – we hear about these alternatives and why they ultimately failed.Rajan Datar is joined by Eviatar Zerubavel, distinguished professor of sociology emeritus at Rutgers University, New Jersey, and author of ‘The Seven-Day Circle: The History and Meaning of the Week’; Ilaria Bultrighini, honorary research fellow in ancient history at University College London; and David Henkin, professor of history at the University of California, Berkeley, and author of ‘The Week: A History of the Unnatural Rhythms That Made Us Who We Are’. Producer: Simon Tulett(Picture: A signpost with the seven days of the week on the directional arrows against a bright blue cloudy sky. Credit: Getty Images)

Why do we divide our lives into 7-day chunks? Unlike the day, month or year, there’s no natural reason for this cycle, but nevertheless the week is now deeply ingrained in us and has proven very resistant to change. We explore the pagan, religious and early scientific roots of this man-made rhythm, the ideological battles fought over it, and the reason why the number seven came out on top. Our expert guests explain where the names of our days come from, why the weekend was born, and how the week has come to dominate our economic and social lives. There have, however, been several radical attempts to rip up the 7-day week – we hear about these alternatives and why they ultimately failed. Rajan Datar is joined by Eviatar Zerubavel, distinguished professor of sociology emeritus at Rutgers University, New Jersey, and author of ‘The Seven-Day Circle: The History and Meaning of the Week’; Ilaria Bultrighini, honorary research fellow in ancient history at University College London; and David Henkin, professor of history at the University of California, Berkeley, and author of ‘The Week: A History of the Unnatural Rhythms That Made Us Who We Are’. Producer: Simon Tulett (Picture: A signpost with the seven days of the week on the directional arrows against a bright blue cloudy sky. Credit: Getty Images)

Why do we have a seven-day week?

Forugh Farrokhzad burst into the public consciousness with a series of poems that sent shockwaves through Persian society in the mid-1950s. Her early poetry focused on the female experience and female desire, overturning – in the words of one biographer – 1,000 years of Persian literature.Her critics sought to dismiss her skills as a writer by seeing her poetry purely as a confessional outburst of a divorced woman. That attitude has tended to overshadow her achievements, although her private life is so compelling it’s perhaps inevitable. Since her early death in a car accident, Forugh’s life and poetry have been inspirational for many Iranians, who see in her an artist who was prepared to defy authority and convention to speak out.Bridget Kendall is joined by Sholeh Wolpé, a writer-in-residence at the University of California, Irvine. She’s a poet, playwright, librettist and translator of Forugh’s work; author Jasmin Darznik, associate professor and chair of the creative writing progamme at California College of the Arts.  Her novel, Song of a Captive Bird, is a re-imagining of Forugh’s life inspired by her poetry, interviews and correspondence; and Levi Thompson, Assistant Professor of Persian and Arabic Literature in the Department of Middle Eastern Studies at the University of Texas at Austin. He’s the author of Reorienting Modernism in Arabic and Persian Poetry. Produced by Fiona Clampin for the BBC World Service(Photo: Forugh Farrokhzad. Credit: Courtesy of Farrokhzadpoem.com)

Forugh Farrokhzad burst into the public consciousness with a series of poems that sent shockwaves through Persian society in the mid-1950s. Her early poetry focused on the female experience and female desire, overturning – in the words of one biographer – 1,000 years of Persian literature. Her critics sought to dismiss her skills as a writer by seeing her poetry purely as a confessional outburst of a divorced woman. That attitude has tended to overshadow her achievements, although her private life is so compelling it’s perhaps inevitable. Since her early death in a car accident, Forugh’s life and poetry have been inspirational for many Iranians, who see in her an artist who was prepared to defy authority and convention to speak out. Bridget Kendall is joined by Sholeh Wolpé, a writer-in-residence at the University of California, Irvine. She’s a poet, playwright, librettist and translator of Forugh’s work; author Jasmin Darznik, associate professor and chair of the creative writing progamme at California College of the Arts. Her novel, Song of a Captive Bird, is a re-imagining of Forugh’s life inspired by her poetry, interviews and correspondence; and Levi Thompson, Assistant Professor of Persian and Arabic Literature in the Department of Middle Eastern Studies at the University of Texas at Austin. He’s the author of Reorienting Modernism in Arabic and Persian Poetry. Produced by Fiona Clampin for the BBC World Service (Photo: Forugh Farrokhzad. Credit: Courtesy of <a href="http://Farrokhzadpoem.com" rel="nofollow" target="_blank">Farrokhzadpoem.com</a>)

Forugh Farrokhzad: A trailblazing voice for women in Iran

Today’s counter-culture and alternative movements question mainstream norms, such as putting too much value on material possessions. The Cynics, practical philosophers of ancient Greece and Rome, also rejected conventional desires to seek wealth, power and fame. They were not your usual kind of philosophers: rather than lecturing or writing about their ideas, they acted out their beliefs by denying themselves worldly possessions and tried to live as simply as possible. Their leader, Diogenes of Sinope, allegedly slept in a ceramic jar on the streets of Athens and ate raw meat like a dog, flouting convention to draw attention to his ideas.So who were the Cynics? How influential was their movement? What made it last some 900 years? And why does the term 'cynicism' have a different meaning today?Bridget Kendall is joined by three eminent scholars of Greek philosophy:Dr. William Desmond, Senior Lecturer in Ancient Classics at Maynooth University in Ireland and author of several books on the Cynics;Dr. Elena Cagnoli Fiecconi, Lecturer in Ancient Philosophy at University College London;  and Mark Usher, Professor of Classical Languages and Literature at the University of Vermont and author of new Cynic translations into English.(Image: The meeting of Alexander and Diogenes, detail from a tapestry, Scotland. Credit: DEA/S. Vannini/Getty Images)

Today’s counter-culture and alternative movements question mainstream norms, such as putting too much value on material possessions. The Cynics, practical philosophers of ancient Greece and Rome, also rejected conventional desires to seek wealth, power and fame. They were not your usual kind of philosophers: rather than lecturing or writing about their ideas, they acted out their beliefs by denying themselves worldly possessions and tried to live as simply as possible. Their leader, Diogenes of Sinope, allegedly slept in a ceramic jar on the streets of Athens and ate raw meat like a dog, flouting convention to draw attention to his ideas. So who were the Cynics? How influential was their movement? What made it last some 900 years? And why does the term 'cynicism' have a different meaning today? Bridget Kendall is joined by three eminent scholars of Greek philosophy: Dr. William Desmond, Senior Lecturer in Ancient Classics at Maynooth University in Ireland and author of several books on the Cynics; Dr. Elena Cagnoli Fiecconi, Lecturer in Ancient Philosophy at University College London; and Mark Usher, Professor of Classical Languages and Literature at the University of Vermont and author of new Cynic translations into English. (Image: The meeting of Alexander and Diogenes, detail from a tapestry, Scotland. Credit: DEA/S. Vannini/Getty Images)

The Cynics: Counter-culture from Ancient Greece

Rajan, how about a program on Anna Karanina?

Intelligent, entertaining, all round stand out

Informative and enjoyable. Better than most college lectures. And free!

Wonderful

The Forum

Andy Warhol

"In the future everybody will be world-famous for fifteen minutes” is probably the best known quote attributed to Andy Warhol. Warhol was an American artist who became a superstar in the visual art movement known as Pop Art.  He crossed the boundaries between art and celebrity becoming famous for what we now call branding, but the private Warhol was a deeply religious man and to his close relatives was known simply as ‘Uncle Andy’. In a world where some of what he predicted has come true, we look back at the life and work of this iconic figure.With Bridget Kendall to explore Andy Warhol are Eric Shiner the former Director of the Andy Warhol Museum in Pittsburgh USA and New York Director of London’s White Cube, Professor Jean Wainwright the British art historian and curator and a leading expert on Warhol and Andy Warhol’s nephew, the artist and illustrator James Warhola.(Photo: Andy Warhol. Credit: Ullstein Bild/Getty Images)

"In the future everybody will be world-famous for fifteen minutes” is probably the best known quote attributed to Andy Warhol. Warhol was an American artist who became a superstar in the visual art movement known as Pop Art. He crossed the boundaries between art and celebrity becoming famous for what we now call branding, but the private Warhol was a deeply religious man and to his close relatives was known simply as ‘Uncle Andy’. In a world where some of what he predicted has come true, we look back at the life and work of this iconic figure. With Bridget Kendall to explore Andy Warhol are Eric Shiner the former Director of the Andy Warhol Museum in Pittsburgh USA and New York Director of London’s White Cube, Professor Jean Wainwright the British art historian and curator and a leading expert on Warhol and Andy Warhol’s nephew, the artist and illustrator James Warhola. (Photo: Andy Warhol. Credit: Ullstein Bild/Getty Images)

Andy Warhol: The prince of Pop Art

From East to West, Rumi is one of the most universally respected poets of all time. A 13th Century Islamic scholar, his encounter with a wandering dervish transformed him into a globally celebrated mystic and poet of love who has crossed borders of time, faith, language and geography.Rajan Datar discusses his life, work and legacy with scholars Fatemeh Keshavarz and Omid Safi, and biographer Brad Gooch.(Photo: Pray Mount Nemrut, Commagene. Credit: Getty Images/tugbahasbal)

From East to West, Rumi is one of the most universally respected poets of all time. A 13th Century Islamic scholar, his encounter with a wandering dervish transformed him into a globally celebrated mystic and poet of love who has crossed borders of time, faith, language and geography. Rajan Datar discusses his life, work and legacy with scholars Fatemeh Keshavarz and Omid Safi, and biographer Brad Gooch. (Photo: Pray Mount Nemrut, Commagene. Credit: Getty Images/tugbahasbal)

Rumi: Sufi poet of love

The Great Pyramid of Giza in Egypt is one of the greatest wonders of the ancient World. It is the largest pyramid ever built and even today, with advanced satellite and thermal imaging and other high tech science, we don’t know everything about the pyramid- exactly what’s inside or how it was built.  To explore the history of The Great Pyramid - also known as the Pyramid of Khufu, after  the Pharaoh who commissioned it as his  tomb, Rajan Datar is joined by Professor Salima Ikram, Distinguished University Professor and Egyptology Unit Head at the American University in Cairo, space archaeologist Dr Sarah Parcak, a National Geographic fellow and associate Professor at Birmingham University Alabama in the USA  and Dr Joyce Tyldesley, an archaeologist and Egyptologist from the University of Manchester in the UK.Photo: The Pyramids at Giza. (Getty Images)

The Great Pyramid of Giza in Egypt is one of the greatest wonders of the ancient World. It is the largest pyramid ever built and even today, with advanced satellite and thermal imaging and other high tech science, we don’t know everything about the pyramid- exactly what’s inside or how it was built. To explore the history of The Great Pyramid - also known as the Pyramid of Khufu, after the Pharaoh who commissioned it as his tomb, Rajan Datar is joined by Professor Salima Ikram, Distinguished University Professor and Egyptology Unit Head at the American University in Cairo, space archaeologist Dr Sarah Parcak, a National Geographic fellow and associate Professor at Birmingham University Alabama in the USA and Dr Joyce Tyldesley, an archaeologist and Egyptologist from the University of Manchester in the UK. Photo: The Pyramids at Giza. (Getty Images)

Secrets of the Great Pyramid

Rasputin’s story is a familiar one – an illiterate Siberian peasant who managed to secure the confidence of the last Tsar and Tsarina of Russia, while indulging his legendary sexual appetite and love of hard drinking.  Rasputin was so revered by his acolytes that they would collect his fingernail clippings, as if they were some kind of holy relic.  When his extraordinary life was brought to an equally extraordinary end when he refused to die – murdered eventually in cold blood by a group of aristocrats – it unleashed the Russian revolution, and changed the geopolitical landscape in ways that still resonate today.That’s one version of events that’s held sway for more than one hundred years.  And yet so much of the Rasputin legend has been pieced together by those looking to discredit him.  Is it possible to peel away the layers of myth-making and get to the heart of who Rasputin really was and what he stood for?Joining Bridget Kendall on a truth-seeking mission is Russian imperial historian Helen Rappaport, author of The Race to Save the Romanovs; Russian literary translator and executive editor of the Los Angeles Review of Books, Boris Dralyuk; and historian Douglas Smith, author of the 2016 biography Rasputin: Faith, Power and the Twilight of the Romanovs.Photo: Grigori Rasputin. (Fine Art Images/Heritage Images/Getty Images)

Rasputin’s story is a familiar one – an illiterate Siberian peasant who managed to secure the confidence of the last Tsar and Tsarina of Russia, while indulging his legendary sexual appetite and love of hard drinking. Rasputin was so revered by his acolytes that they would collect his fingernail clippings, as if they were some kind of holy relic. When his extraordinary life was brought to an equally extraordinary end when he refused to die – murdered eventually in cold blood by a group of aristocrats – it unleashed the Russian revolution, and changed the geopolitical landscape in ways that still resonate today. That’s one version of events that’s held sway for more than one hundred years. And yet so much of the Rasputin legend has been pieced together by those looking to discredit him. Is it possible to peel away the layers of myth-making and get to the heart of who Rasputin really was and what he stood for? Joining Bridget Kendall on a truth-seeking mission is Russian imperial historian Helen Rappaport, author of The Race to Save the Romanovs; Russian literary translator and executive editor of the Los Angeles Review of Books, Boris Dralyuk; and historian Douglas Smith, author of the 2016 biography Rasputin: Faith, Power and the Twilight of the Romanovs. Photo: Grigori Rasputin. (Fine Art Images/Heritage Images/Getty Images)

Rasputin: The Siberian mystic who charmed the Tsar

The Russian Civil war was a struggle for power at every level – from the villages to the imperial centre, with more than 11 foreign powers involved as well as nationalists, from Ukraine, Poland and the Baltic states, fighting for independence. This conflict, which took place a hundred years ago, between a small group of revolutionaries known as the Bolsheviks and their enemies was one of the most brutal and tragic periods in Russian history, but it was also to shape the new Soviet state that was founded in 1922, and still characterises Russia today. But why did events of the Russian Civil war end up crushing hopes for democracy after the idealism of the October revolution? And how did a small extremist group like the Bolsheviks manage to take control, despite resistance - not just from the upper and middle classes- but also from peasants and workers? Joining Bridget Kendall to explore these themes further is Laura Engelstein, Professor Emerita of Russian history and author of “Russia in Flames”; Steve Smith, Professor of History at Oxford University who wrote “Russia in Revolution”, and Dr Katya Rogatchevskaia, lead curator of the Russian and East European collections at the British Library in London. Image: Cossack Throws General Wrangel in the Black Sea (Poster). Private Collection. (Photo by Fine Art Images/Heritage Images/Getty Images)

The Russian Civil war was a struggle for power at every level – from the villages to the imperial centre, with more than 11 foreign powers involved as well as nationalists, from Ukraine, Poland and the Baltic states, fighting for independence. This conflict, which took place a hundred years ago, between a small group of revolutionaries known as the Bolsheviks and their enemies was one of the most brutal and tragic periods in Russian history, but it was also to shape the new Soviet state that was founded in 1922, and still characterises Russia today. But why did events of the Russian Civil war end up crushing hopes for democracy after the idealism of the October revolution? And how did a small extremist group like the Bolsheviks manage to take control, despite resistance - not just from the upper and middle classes- but also from peasants and workers? Joining Bridget Kendall to explore these themes further is Laura Engelstein, Professor Emerita of Russian history and author of “Russia in Flames”; Steve Smith, Professor of History at Oxford University who wrote “Russia in Revolution”, and Dr Katya Rogatchevskaia, lead curator of the Russian and East European collections at the British Library in London. Image: Cossack Throws General Wrangel in the Black Sea (Poster). Private Collection. (Photo by Fine Art Images/Heritage Images/Getty Images)

The Russian civil war: How the Soviets rose to power

The ancient Inca town Machu Picchu is now the most visited tourist attraction in Peru - and yet it lay nearly forgotten for over three centuries until American and Peruvian explorers drew the world's attention to it in the 1910s. And despite a century of excavations at the site, there are still many unanswered questions about Machu Picchu: why was it built in the first place, who were the immigrants that made up a large proportion of the town's population and why was it abandoned so quickly.To find out more about Machu Picchu, Bridget Kendall is joined by leading archaeologists of the Inca civilisation Lucy Salazar and Michael Malpass, the celebrated mountaineer and explorer Johan Reinhard and by writer Mark Adams who retraced the steps of the 1911 expedition led by Hiram Bingham that put Machu Picchu back on the map.(Photo: Machu Picchu, Peru. Credit: Eitan Abramovich/Getty Images)

The ancient Inca town Machu Picchu is now the most visited tourist attraction in Peru - and yet it lay nearly forgotten for over three centuries until American and Peruvian explorers drew the world's attention to it in the 1910s. And despite a century of excavations at the site, there are still many unanswered questions about Machu Picchu: why was it built in the first place, who were the immigrants that made up a large proportion of the town's population and why was it abandoned so quickly. To find out more about Machu Picchu, Bridget Kendall is joined by leading archaeologists of the Inca civilisation Lucy Salazar and Michael Malpass, the celebrated mountaineer and explorer Johan Reinhard and by writer Mark Adams who retraced the steps of the 1911 expedition led by Hiram Bingham that put Machu Picchu back on the map. (Photo: Machu Picchu, Peru. Credit: Eitan Abramovich/Getty Images)

Machu Picchu: The secrets of a forgotten city

Around the twelfth and thirteenth century CE Angkor was thought to be one of the world's biggest cities. Its massive temple complex at Angkor Wat covered hundreds of acres adorned with majestic towers, terraces and waterways: symbols of the might of the Khmer kings who ruled the region. Angkor Wat attracts millions of tourists every year and has pride of place on the Cambodian national flag but there's much more to Angkor and the Khmer civilisation than its temples.Bridget Kendall talks about Khmer history with David Chandler, Emeritus Professor of history at Monash University in Melbourne; architectural historian Dr. Swati Chemburkar from the Jnanapravaha Arts Centre in Mumbai; anthropologist Dr. Kyle Latinis from the Institute of Southeast Asian Studies in Singapore and former Dean of the University of Cambodia; and art historian Dr. Peter Sharrock from the School of Oriental and African Studies in London.Photo: Angkor Wat temple complex. (SERENA/Gamma-Rapho via Getty Images)

Around the twelfth and thirteenth century CE Angkor was thought to be one of the world's biggest cities. Its massive temple complex at Angkor Wat covered hundreds of acres adorned with majestic towers, terraces and waterways: symbols of the might of the Khmer kings who ruled the region. Angkor Wat attracts millions of tourists every year and has pride of place on the Cambodian national flag but there's much more to Angkor and the Khmer civilisation than its temples. Bridget Kendall talks about Khmer history with David Chandler, Emeritus Professor of history at Monash University in Melbourne; architectural historian Dr. Swati Chemburkar from the Jnanapravaha Arts Centre in Mumbai; anthropologist Dr. Kyle Latinis from the Institute of Southeast Asian Studies in Singapore and former Dean of the University of Cambodia; and art historian Dr. Peter Sharrock from the School of Oriental and African Studies in London. Photo: Angkor Wat temple complex. (SERENA/Gamma-Rapho via Getty Images)

Cambodia's ancient Khmer Empire

Indigo: not only one of the seven colours of the rainbow and the dye that makes your jeans look like they do but and a highly valued pigment which is naturally found in some plants and whose use can be traced back at least six thousand years to Peru. Such was the desirability of indigo that along with sugar, cotton, coffee and tobacco it became a major driver for globalised trade and the horrors of slavery. In India it was the source of so much exploitation that a lawyer called Gandhi rose to fame standing up for indigo farmers. Rajan Datar explores the rich history of the dye with Jenny Balfour-Paul, an Honorary Research Fellow at Exeter University and author of Indigo: Egyptian Mummies to Blue Jeans; Lucille Junkere, an artist and textile researcher with a particular interest in the history of indigo in Nigeria and the Caribbean; and Andrea Sella, a professor of chemistry at University College London who delights his students with all kinds of colourful experiments with indigo.Photo: Detail of adire indigo cloth from Nigeria. Credit: Education Images/Universal Images Group via Getty Images

Indigo: not only one of the seven colours of the rainbow and the dye that makes your jeans look like they do but and a highly valued pigment which is naturally found in some plants and whose use can be traced back at least six thousand years to Peru. Such was the desirability of indigo that along with sugar, cotton, coffee and tobacco it became a major driver for globalised trade and the horrors of slavery. In India it was the source of so much exploitation that a lawyer called Gandhi rose to fame standing up for indigo farmers. Rajan Datar explores the rich history of the dye with Jenny Balfour-Paul, an Honorary Research Fellow at Exeter University and author of Indigo: Egyptian Mummies to Blue Jeans; Lucille Junkere, an artist and textile researcher with a particular interest in the history of indigo in Nigeria and the Caribbean; and Andrea Sella, a professor of chemistry at University College London who delights his students with all kinds of colourful experiments with indigo. Photo: Detail of adire indigo cloth from Nigeria. Credit: Education Images/Universal Images Group via Getty Images

Indigo: the bluest blue

The Dutch post-Impressionist painter Vincent van Gogh is one of the most influential painters in western art. His series of still life sunflowers are known around the world today, but during his lifetime in the 1800s he lived in poverty, selling incredibly little of his work, some say just one painting, and suffered several serious breakdowns. One of his most famous paintings - The Starry Night - is said to be the view from his room in a French psychiatric hospital where he’d admitted himself shortly after severing his own left ear. This programme looks at the man behind these iconic paintings, explores how and why he became a painter and picks apart the various theories around his death from a gunshot wound at the age of just 37.Joining Bridget Kendall to discuss van Gogh’s life and work are Louis van Tilborgh, Senior Researcher at the Van Gogh Museum in Amsterdam and Professor of Art History at the University of Amsterdam, van Gogh biographer and co-author of van Gogh: The Life, Steven Naifeh, and British art historian Lucrezia Walker.Photo: Self-Portrait by Vincent van Gogh (Getty Images)

The Dutch post-Impressionist painter Vincent van Gogh is one of the most influential painters in western art. His series of still life sunflowers are known around the world today, but during his lifetime in the 1800s he lived in poverty, selling incredibly little of his work, some say just one painting, and suffered several serious breakdowns. One of his most famous paintings - The Starry Night - is said to be the view from his room in a French psychiatric hospital where he’d admitted himself shortly after severing his own left ear. This programme looks at the man behind these iconic paintings, explores how and why he became a painter and picks apart the various theories around his death from a gunshot wound at the age of just 37. Joining Bridget Kendall to discuss van Gogh’s life and work are Louis van Tilborgh, Senior Researcher at the Van Gogh Museum in Amsterdam and Professor of Art History at the University of Amsterdam, van Gogh biographer and co-author of van Gogh: The Life, Steven Naifeh, and British art historian Lucrezia Walker. Photo: Self-Portrait by Vincent van Gogh (Getty Images)

Vincent van Gogh: The struggling artist

The story of how an average-sized artillery officer from a small Mediterranean island came to dominate revolutionary France and become the international celebrity of his age is an extraordinary one.  Born on Corsica in 1769, Napoleon Bonaparte appeared to avoid engaging with the military career for which he was destined.  And yet within a decade, his ambition, ego and enormous talent for self-promotion propelled him to the rank of general and eventually the highest office in France.At the beginning of the 19th century Napoleon’s rise appeared unstoppable. He was declared First Consul for life, then crowned himself Emperor of the French.  He brought a period of much-needed stability to France and codified laws and systems which exist to this day.  When his wife Joséphine was unable to give him a child, he divorced her and cemented an alliance with Austria’s imperial family.  At its height, the Napoleonic empire stretched across most of Western Europe and numbered 40 million people.  But his continuing thirst for power also sowed the seeds of his downfall.Bridget Kendall delves into the life and legacy of one of history’s most divisive figures.  With guests Rafe Blaufarb, Professor of History at Florida State University in the US; Kate Astbury, Professor of French Studies at the University of Warwick, UK and the co-curator of www.100days.eu ; and Professor Annie Jourdan from the University of Amsterdam, Holland.Photo: Jacques-Louis David painting 'The Emperor Napoleon in His Study at the Tuileries', 1812 (VCG Wilson/Corbis via Getty Images)

The story of how an average-sized artillery officer from a small Mediterranean island came to dominate revolutionary France and become the international celebrity of his age is an extraordinary one. Born on Corsica in 1769, Napoleon Bonaparte appeared to avoid engaging with the military career for which he was destined. And yet within a decade, his ambition, ego and enormous talent for self-promotion propelled him to the rank of general and eventually the highest office in France. At the beginning of the 19th century Napoleon’s rise appeared unstoppable. He was declared First Consul for life, then crowned himself Emperor of the French. He brought a period of much-needed stability to France and codified laws and systems which exist to this day. When his wife Joséphine was unable to give him a child, he divorced her and cemented an alliance with Austria’s imperial family. At its height, the Napoleonic empire stretched across most of Western Europe and numbered 40 million people. But his continuing thirst for power also sowed the seeds of his downfall. Bridget Kendall delves into the life and legacy of one of history’s most divisive figures. With guests Rafe Blaufarb, Professor of History at Florida State University in the US; Kate Astbury, Professor of French Studies at the University of Warwick, UK and the co-curator of <a href="http://www.100days.eu" rel="nofollow" target="_blank">www.100days.eu</a> ; and Professor Annie Jourdan from the University of Amsterdam, Holland. Photo: Jacques-Louis David painting 'The Emperor Napoleon in His Study at the Tuileries', 1812 (VCG Wilson/Corbis via Getty Images)

Napoleon: From empire to exile

In the mid-19th century Japan transformed itself from feudal state to economic powerhouse at breakneck speed.  Taking their cue from Western imperial powers, the rebel samurai who seized power in 1868 implemented an astonishing programme of reform.By removing an entire ruling elite, introducing national conscription and compulsory education, the Meiji rulers set about building a brand new society.  Even the measurement of time was changed, which led to considerable confusion between generations.Rajan Datar and guests will unpack the origins of this dynamic transformation, and examine how it led Japan to a period of drastic imperial expansion and the subsequent atrocities of World War II.Joining Rajan will be historians Naoko Shimazu from Yale NUS College in Singapore, Mark Ravina from Emory University in Atlanta, USA, and Barak Kushner from the University of Cambridge in the UK.Photo: Meiji Shrine In Tokyo, Japan. (Junko Kimura/Getty Images)

In the mid-19th century Japan transformed itself from feudal state to economic powerhouse at breakneck speed. Taking their cue from Western imperial powers, the rebel samurai who seized power in 1868 implemented an astonishing programme of reform. By removing an entire ruling elite, introducing national conscription and compulsory education, the Meiji rulers set about building a brand new society. Even the measurement of time was changed, which led to considerable confusion between generations. Rajan Datar and guests will unpack the origins of this dynamic transformation, and examine how it led Japan to a period of drastic imperial expansion and the subsequent atrocities of World War II. Joining Rajan will be historians Naoko Shimazu from Yale NUS College in Singapore, Mark Ravina from Emory University in Atlanta, USA, and Barak Kushner from the University of Cambridge in the UK. Photo: Meiji Shrine In Tokyo, Japan. (Junko Kimura/Getty Images)

The Making of Modern Japan

T.E Lawrence was a British scholar and adventurer whose involvement with the Arab Revolt during the World War One inspired one of the most celebrated films in cinema history. So how did a man who was offered a knighthood and became an international celebrity end his days in near obscurity? Bridget Kendall is joined by historians James Barr and Juliette Desplat, and writer Scott Anderson to discuss his life and legacy.Photo: T. E. Lawrence.Photo by Hulton Archive / Getty Images.

T.E Lawrence was a British scholar and adventurer whose involvement with the Arab Revolt during the World War One inspired one of the most celebrated films in cinema history. So how did a man who was offered a knighthood and became an international celebrity end his days in near obscurity? Bridget Kendall is joined by historians James Barr and Juliette Desplat, and writer Scott Anderson to discuss his life and legacy. Photo: T. E. Lawrence. Photo by Hulton Archive / Getty Images.

Lawrence of Arabia

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