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In the 1940s, some vulnerable Swedish hospital patients were fed large amounts of sugary sweets as part of an experiment to see what it would do to their teeth.
Researchers considered the study a success as it led to new recommendations for children to eat sweets just once a week.
In the 1990s, the unethical aspects of the experiment emerged when Elin Bommenel became the first researcher to gain access to the original documents from the experiments. Sweden's government has never formally apologised for what happened, although it has greatly improved care for vulnerable children and adults.
Elin tells Frida Anund about the revelations.
A PodLit production.
Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more.
Recent episodes explore everything from football in Brazil, the history of the 'Indian Titanic' and the invention of air fryers, to Public Enemy's Fight The Power, subway art and the political crisis in Georgia. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: visionary architect Antoni Gaudi and the design of the Sagrada Familia; Michael Jordan and his bespoke Nike trainers; Princess Diana at the Taj Mahal; and Görel Hanser, manager of legendary Swedish pop band Abba on the influence they've had on the music industry. You can learn all about fascinating and surprising stories, such as the time an Iraqi journalist hurled his shoes at the President of the United States in protest of America's occupation of Iraq; the creation of the Hollywood commercial that changed advertising forever; and the ascent of the first Aboriginal MP.
(Photo: A sugar cube. Credit: Getty Images)
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In 2013, Mexico's government approved a tax on sugary soft drinks. The country has one of the highest rates of fizzy drink consumption in the world.
Some rural homes do not have access to safe drinking water and a third of schools do not have drinking water. Consequently, carbonated drinks would be sold in schools across the country.
Grace Livingstone speaks to Dr Simon Barquera, director of health and nutrition research at Mexico's Institute of public health. He faced intimidation and spying attempts for advocating the tax.
Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more.
Recent episodes explore everything from football in Brazil, the history of the 'Indian Titanic' and the invention of air fryers, to Public Enemy's Fight The Power, subway art and the political crisis in Georgia. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: visionary architect Antoni Gaudi and the design of the Sagrada Familia; Michael Jordan and his bespoke Nike trainers; Princess Diana at the Taj Mahal; and Görel Hanser, manager of legendary Swedish pop band Abba on the influence they've had on the music industry. You can learn all about fascinating and surprising stories, such as the time an Iraqi journalist hurled his shoes at the President of the United States in protest of America's occupation of Iraq; the creation of the Hollywood commercial that changed advertising forever; and the ascent of the first Aboriginal MP.
(Photo: Sugary drinks. Credit: PA)
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On 14 May 1955, the leader of the Soviet Union and leaders from seven European countries met to sign the Warsaw Pact.
In the years following World War Two, the Soviet Union and the United States started the worldwide Cold War. While Western powers feared the spread of communism, the Soviets worried about US atomic bombs.
What resulted was the formation of the North Atlantic Treaty Organisation (NATO) in 1949.
The Warsaw Pact was signed six years later in response to West Germany joining NATO.
Natasha Fernandes uses archive of East Germany's leader Otto Grotewohl to tell the story.
Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more.
Recent episodes explore everything from football in Brazil, the history of the 'Indian Titanic' and the invention of air fryers, to Public Enemy's Fight The Power, subway art and the political crisis in Georgia. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: visionary architect Antoni Gaudi and the design of the Sagrada Familia; Michael Jordan and his bespoke Nike trainers; Princess Diana at the Taj Mahal; and Görel Hanser, manager of legendary Swedish pop band Abba on the influence they've had on the music industry. You can learn all about fascinating and surprising stories, such as the time an Iraqi journalist hurled his shoes at the President of the United States in protest of America's occupation of Iraq; the creation of the Hollywood commercial that changed advertising forever; and the ascent of the first Aboriginal MP.
(Photo: Soviet Premier, Nikolai Bulganin (centre) addresses Soviet leaders at the Warsaw Conference on 14 May 1955. From left to right: Marshal Ivan Koniev, Minister Vyacheslav Molotov, Bulganin and Marshal Gregori Zhukov. Credit: Bettmann via Getty images)
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By 1915, the two great rivals, Nikola Tesla and Thomas Edison, had brought electricity to the world.
It was reported that they were set to share the Nobel Prize for Physics, but it never happened.
In 2011, Claire Bowes spoke to Tesla's biographer Mark Seifer and relative William Terbo.
Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more.
Recent episodes explore everything from football in Brazil, the history of the 'Indian Titanic' and the invention of air fryers, to Public Enemy's Fight The Power, subway art and the political crisis in Georgia. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: visionary architect Antoni Gaudi and the design of the Sagrada Familia; Michael Jordan and his bespoke Nike trainers; Princess Diana at the Taj Mahal; and Görel Hanser, manager of legendary Swedish pop band Abba on the influence they've had on the music industry. You can learn all about fascinating and surprising stories, such as the time an Iraqi journalist hurled his shoes at the President of the United States in protest of America's occupation of Iraq; the creation of the Hollywood commercial that changed advertising forever; and the ascent of the first Aboriginal MP.
(Photo: Nikola Tesla in c.1896 and Thomas Edison in 1893. Credit: Bettmann and SSPL/Getty Images)
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In 1980, Finnish singer Marion Rung won the Intervision Song Contest.
Born in the 1960s, Intervision was the Eastern Bloc's answer to Eurovision. It ran until 1980, although in 2025 Russia's President Vladimir Putin ordered its revival.
Finland, which maintained neutrality during the Cold War, was one of the few countries to participate in both competitions. Marion Rung achieved top 10 Eurovision finishes in 1962 and 1973 before winning Intervision. She speaks to Ben Henderson.
Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more.
Recent episodes explore everything from football in Brazil, the history of the 'Indian Titanic' and the invention of air fryers, to Public Enemy's Fight The Power, subway art and the political crisis in Georgia. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: visionary architect Antoni Gaudi and the design of the Sagrada Familia; Michael Jordan and his bespoke Nike trainers; Princess Diana at the Taj Mahal; and Görel Hanser, manager of legendary Swedish pop band Abba on the influence they've had on the music industry. You can learn all about fascinating and surprising stories, such as the time an Iraqi journalist hurled his shoes at the President of the United States in protest of America's occupation of Iraq; the creation of the Hollywood commercial that changed advertising forever; and the ascent of the first Aboriginal MP.
(Photo: Marion Rung performing at the Intervision Song Contest in 1980. Credit: Juha Jormanainen/Shutterstock)
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In May 2015, when the ancient city of Palmyra in Syria was about to fall to jihadist fighters, a group of men risked their lives to load centuries-old artefacts from the city's museum onto trucks and drive them to safety.
Before their advance to Palmyra, members of the group that called itself Islamic State had already been filmed for social media smashing statues that dated back to religious life in the Middle East before the Prophet Muhammad.
Khalil Hariri, an archaeology expert who worked at Palmyra's museum, tells Josephine McDermott about his passion for its history and the personal price he has paid for the daring rescue.
Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more.
Recent episodes explore everything from football in Brazil, the history of the 'Indian Titanic' and the invention of air fryers, to Public Enemy's Fight The Power, subway art and the political crisis in Georgia. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: visionary architect Antoni Gaudi and the design of the Sagrada Familia; Michael Jordan and his bespoke Nike trainers; Princess Diana at the Taj Mahal; and Görel Hanser, manager of legendary Swedish pop band Abba on the influence they've had on the music industry. You can learn all about fascinating and surprising stories, such as the time an Iraqi journalist hurled his shoes at the President of the United States in protest of America's occupation of Iraq; the creation of the Hollywood commercial that changed advertising forever; and the ascent of the first Aboriginal MP.
(Photo: The damaged site of Palmyra in 2016. The graffiti reads 'We remain'. Credit: Reuters)
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The end of the Second World War in Europe came on 8 May 1945, after more than five years of conflict.
British Prime Minister Winston Churchill announced that people could allow themselves "a brief period of rejoicing".
Crowds in their thousands gathered outside Whitehall and Buckingham Palace.
BBC correspondents, including Richard Dimbleby, capture the scenes of joy across the city - from the East End to Piccadilly Circus.
This programme was produced by Simon Watts using material from the BBC Archives recorded on VE Day in 1945.
It was first broadcast in 2020.
Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more.
Recent episodes explore everything from football in Brazil, the history of the 'Indian Titanic' and the invention of air fryers, to Public Enemy's Fight The Power, subway art and the political crisis in Georgia. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: visionary architect Antoni Gaudi and the design of the Sagrada Familia; Michael Jordan and his bespoke Nike trainers; Princess Diana at the Taj Mahal; and Görel Hanser, manager of legendary Swedish pop band Abba on the influence they've had on the music industry. You can learn all about fascinating and surprising stories, such as the time an Iraqi journalist hurled his shoes at the President of the United States in protest of America's occupation of Iraq; the creation of the Hollywood commercial that changed advertising forever; and the ascent of the first Aboriginal MP.
(Photo: VE Day in London. Credit: Getty Images)
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On 7 May 1915, the British ocean liner, the Lusitania, was sunk by a German submarine off the Irish coast, as it sailed from New York to Liverpool.
Thousands of passengers were onboard and 1,200 people died.
The attack helped turn American opinion against Germany.
In 2015, Alex Last used BBC archives to tell the story.
Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more.
Recent episodes explore everything from football in Brazil, the history of the 'Indian Titanic' and the invention of air fryers, to Public Enemy's Fight The Power, subway art and the political crisis in Georgia. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: visionary architect Antoni Gaudi and the design of the Sagrada Familia; Michael Jordan and his bespoke Nike trainers; Princess Diana at the Taj Mahal; and Görel Hanser, manager of legendary Swedish pop band Abba on the influence they've had on the music industry. You can learn all about fascinating and surprising stories, such as the time an Iraqi journalist hurled his shoes at the President of the United States in protest of America's occupation of Iraq; the creation of the Hollywood commercial that changed advertising forever; and the ascent of the first Aboriginal MP.
(Photo: Sinking of the Lusitania. Credit: Universal History Archive/Getty Images)
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In 1955, entrepreneur and engineer Yoshitada Minami came up with a way to liberate women from two to three hours of housework a day.
When his water-heating business started losing sales, he was tasked with inventing an automatic rice cooker — something which the men in the home appliances industry didn't take seriously.
With little knowledge of how to make the perfect rice, he turned to the unsung heroine of this tale — his wife, Fumiko Minami.
After years of testing the cookers in the harshest of conditions, Yoshitada and his family stumbled upon an invention that would revolutionise rice-cooking forever.
Natasha Fernandes speaks to Aiji Minami, the youngest son of Yoshitada and Fumiko.
Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more.
Recent episodes explore everything from football in Brazil, the history of the 'Indian Titanic' and the invention of air fryers, to Public Enemy's Fight The Power, subway art and the political crisis in Georgia. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: visionary architect Antoni Gaudi and the design of the Sagrada Familia; Michael Jordan and his bespoke Nike trainers; Princess Diana at the Taj Mahal; and Görel Hanser, manager of legendary Swedish pop band Abba on the influence they've had on the music industry. You can learn all about fascinating and surprising stories, such as the time an Iraqi journalist hurled his shoes at the President of the United States in protest of America's occupation of Iraq; the creation of the Hollywood commercial that changed advertising forever; and the ascent of the first Aboriginal MP.
(Photo: Automatic electric rice cooker manual. Credit: Toshiba)
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On 9 January 1992, astronomers Alex Wolszczan and Dale Frail announced they had discovered the first two exoplanets, or planets outside our solar system, while working at the Arecibo Observatory in Puerto Rico.
The two planets orbit a pulsar, a neutron star, 2,300 light-years away, in the constellation Virgo.
We now know of the existence of nearly 6,000 exoplanets, but Poltergeist and Phobetor were the first to be confirmed.
Rachel Naylor speaks to Alex Wolszczan.
Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more.
Recent episodes explore everything from football in Brazil, the history of the 'Indian Titanic' and the invention of air fryers, to Public Enemy's Fight The Power, subway art and the political crisis in Georgia. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: visionary architect Antoni Gaudi and the design of the Sagrada Familia; Michael Jordan and his bespoke Nike trainers; Princess Diana at the Taj Mahal; and Görel Hanser, manager of legendary Swedish pop band Abba on the influence they've had on the music industry. You can learn all about fascinating and surprising stories, such as the time an Iraqi journalist hurled his shoes at the President of the United States in protest of America's occupation of Iraq; the creation of the Hollywood commercial that changed advertising forever; and the ascent of the first Aboriginal MP.
(Photo: An artist's impression of the pulsar planet system discovered by Alex Wolszczan in 1992. Credit: NASA)
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