Max Pearson presents a collection of the week's Witness History interviews from the BBC World Service. Our guest is Joan Flores-Villalobos, Assistant Professor in the Department of History at the University of Southern California, and author of The Silver Women: How Black Women’s Labor Made the Panama Canal.First, we hear from a man involved in the handover of the canal from the United States to Panama in 1999. Then, DJ and singer Leonardo Renato Aulder explains how the canal led to the creation of Reggaeton music. Next we go to Cuba. An old comrade of Fidel Castro recounts the violent start of the Cuban revolution in 1953. And a member of the Obama administration explains how he negotiated better US-Cuba relations in 2014.Finally, the story of the 442nd US military regiment, made up almost entirely of Japanese Americans, that earned more than 4,000 Purple Heart medals for extraordinary heroism during World War Two.Contributors: Alberto Aleman Zubieta - Panama Canal administrator. Leonardo Renato Aulder - Reggaeton singer and DJ. Joan Flores-Villalobos - Assistant Professor at the University of Southern California. Agustín Díaz Cartaya - Cuban revolutionary. Ben Rhodes - Speechwriter for US President Barack Obama. Clyde Kusatsu - son of 442nd Regiment veteran.(Photo: World War Two veterans from the highly decorated 442nd Regiment in 2015. Credit: Gina Ferazzi/Los Angeles Times via Getty Images)

In partnership with the BBC 100 Women list, we have a selection of stories about inspiring and influential women from around the world. Scientist Katalin Karikó, who won the Nobel Prize and helped save millions of lives in the Covid 19 pandemic, Julia Gillard, the former Australian prime minister who took a stand against misogyny in politics, and Indian artist Nalini Malani whose instillation got people thinking about the consequences of nuclear conflict.We also hear from the founder of Ms Magazine, the feminist campaigner Gloria Steinem who in 1972, co-founded the first magazine in the US which was owned, run and written by women.And the story of Portugal's "Three Marias" whose book ‘Novas Cartas Portuguesas’, was banned after it was published. Contributors:Maria Teresa Horta - one of the "Three Marias".Dr Katalin Karikó - Nobel Prize winning scientist.Valeria Perasso - Team leader at the BBC's 100 Women project.Julia Gillard - Former Australian Prime Minister.Nalini Malani - Indian artist. Gloria Steinem - Co-founder of Ms Magazine. (Photo: Nalini Malani. Credit: Ritesh Uttamchandani/Hindustan Times via Getty Images)

We hear from Magnus Carlsen, who in 2014, became the first player ever to win all three world chess titles in one year, achieving the highest official rating of any player in history.Woman grandmaster, three times British champion and chess historian, Yao Lan is our guest. She talks about the origin of chess.In the 1970s and 80s, scientists in Russia, managed to dig a hole more than 12,000 metres deep. It was called the Kola Superdeep Borehole. One of the geophysicists involved tells us about the deepest man-made hole in the world. Plus, one of the most controversial political scandals in modern US history, the Iran-Contra affair. And from 2010, the first HIV positive passenger to travel legally to the US after a 22-year ban.Finally, the story behind the BBC's Strictly Come Dancing tv show.Contributors:Magnus Carlsen - chess grandmaster and five-time World Chess ChampionYao Lan - chess woman grandmaster, three times British champion and chess historian.Professor David Smythe – geophysicist.Clemens Ruland – first HIV positive passenger to travel legally to the US after a 22-year ban.Karen Smith - co-creator and executive producer Strictly Come Dancing.(Photo: Magnus Carlsen in 2014. Credit: Francois Nel/Getty Images)

During the early years of Syria’s brutal civil war, the neighbourhood of Yarmouk, close to the Syrian capital Damascus, bore the brunt of the government’s viciousness. Known as ‘the Pianist of Yarmouk,’ Aeham tells Mike Lanchin about their struggle to survive the siege, and how music helped him overcome some of those dark days. Dr Gillian Howell, senior research fellow at the University of Melbourne explains how music has been used as a form of protest and honouring lives lost during conflict.After Iran's Islamic Revolution in 1979, some Christians faced persecution. Between 2002 and 2005, Naghmeh Panahi and her husband, Saeed Abedini, set up a network of secret 'house churches' across the country. It is 70 years since William Golding’s acclaimed novel was published. Lord of the Flies is the story of a group of English schoolboys marooned on a desert island, and how they survive without adults. Golding's daughter, Judy Carver, spoke to Vincent Dowd, about her father’s work in 2014.In 1999, the small territory of Macau was handed back to China after centuries of Portuguese rule. Lawyer and comedian Miguel Senna Fernandes was a member of the Macau Legislative Council and involved in the historic handover. In 1993, a new combat sport was born. Its founders called it the Ultimate Fighting Championship – UFC. It pitted all forms of mixed martial arts against each other with little to no rules and all contained in an octagon-shaped cage. One of the men responsible for cooking up this new concept was TV producer Campbell McLaren. He tells Anoushka Mutanda-Dougherty how he used controversy to market the violent spectacle. This episode contains descriptions of violence, which some listeners may find distressing. Presenter: Max Pearson (Photo: Aeham Ahmad, the Pianist of Yarmouk and other Palestinian musician refugees in Damascus, in Syria, in 2014. Credit: Rame Alsayed/Anadolu Agency/Getty Images)

Polish climber Aleksandra Dzik shares her harrowing experience during the Nanga Parbat mountain massacre, where 19 lives were tragically lost. She recounts the chaos of that night from her vantage point at camp two, providing chilling insights into the aftermath of violence in isolated areas. The discussion also touches on the broader challenges faced by climbers, emphasizing the mix of peril and determination that defines their adventures in the Himalayas.

Irena Sendler, a Polish war hero who bravely saved thousands of Jewish children during WWII, speaks about her harrowing experiences. Sally Quinn shares her firsthand accounts of the Shah's extravagant 1971 celebration, shedding light on the disconnect between luxury and rising dissent. Former Empress Farah Pahlavi and social scientist Rouhi Shafi reflect on their exiles from Iran following the Islamic Revolution, revealing personal stories of loss and resilience. Together, they highlight the courage of women in times of crisis.

Max Pearson presents a collection of the week's Witness History episodes.For nearly 40 years, Siegfried and Roy wowed audiences in Las Vegas with death-defying tricks involving white lions and tigers. But in 2003, their magic show came to a dramatic end when a tiger attacked Roy live on stage.We find out what went wrong, and speak to magician and author Margaret Steele about the - sometimes dangerous - history of illusion and magic.Plus, we learn more about the so-called ‘Ken Burns effect’; the technique of making still photographs that appear to be moving. In 2002, the method came to the attention of one of the biggest names in the field of technology, Steve Jobs.Also, the New Zealand woman who was nicknamed ‘the Queen of the Skies’ for her record breaking flights of the 1930s. Jean Batten flew planes made of wood and canvas during the golden age of aviation.And we go back to 1996 for Brazil's early adoption of electronic voting, and discover more about the experiments behind the creation of Greenwich Mean Time.Contributors: Ken Burns - film maker Chris Lawrence - animal trainer Margaret Steele - magic historian, magician and author Carlos Velozo - lawyer Jean Batten – aviator Emily Akkermans - Curator of Time, Royal Museums Greenwich Keith Moore - the Royal Society of London(Photo: Siegfried and Roy with a white lion cub, Las Vegas, 1997. Credit: Barry King/WireImage)

First, on its 50th anniversary of Dungeons & Dragons, we hear from Luke Gygax, whose father created the fantasy role-play game. We also hear from Dr Melissa Rogerson, senior lecturer and board games researcher at the University of Melbourne in Australia.Then, the first dinosaur remains discovered in Antarctica in 1986, by Argentinian geologist Eduardo Olivero.Next, Ethiopia’s internal relief efforts during the famine in 1984, led by Dawit Giorgis. Plus, the fight to stop skin lightening in India with Kavitha Emmanuel who launched a campaign in 2013. Finally, Angolan singer and former athlete Jose Adelino Barceló de Carvalho, known as Bonga Kwenda, speaks about his music being banned in 1972 and going into exile.Presenter: Max Pearson(Photo: Vintage game modules from the role-playing game Dungeons & Dragons on display. Credit: E.Jason Wambsgans/Chicago Tribune/Getty Images)

We hear about the Sunflower Movement in Taiwan in 2014. Brian Hioe, an activist who occupied Parliament in Taipei, recalls the events.We hear from Nino Zuriashvili, one of the protesters at the Rose Revolution in Georgia in 2003. And Prof Kasia Boddy, author of Blooming Flowers: A Seasonal History of Plants and People explains how flowers have been used as symbols in political history.Plus, the Afghan refugee who fled as a 15 year old. Waheed Arian, a doctor and former Afghan refugee describes his perilous journey.We look at the Yellow Fleet of ships, which were stranded in the Suez Canal for eight years. Phil Saul, who looked after the engineers and officers on board the MS Melampus and MS Agapenor in the Suez Canal, recounts his experiences.Finally, the story of the British afro hair care institution Dyke and Dryden. We hear from Rudi Page, the former marketing manager for Dyke and Dryden's afro hair products.Presenter: Max Pearson(Photo: An activist taking part in the Sunflower Movement in Taipei on 21 March 2014. Credit: Mandy Cheng/AFP)

We start with the world's first general purpose electronic computer, the ENIAC, built in 1946 by a team of female mathematicians including Kathleen Kay McNulty. We speak to Gini Mauchly Calcerano, daughter of Kathleen Kay McNulty, who developed ENIAC.Then we hear about the man who invented the original chatbot, called Eliza, but did not believe computers could achieve intelligence. We speak to Miriam Weizenbaum, daughter of Joseph Weizenbaum, who built Eliza chatbot.Following that, Dr Hiromichi Fujisawa describes how his team at Waseda University in Japan developed the first humanoid robot in 1973, called WABOT-1.Staying in Japan, the engineer Masahiro Hara explains how he was inspired to design the first QR code by his favourite board game.Finally, Thérèse Izay Kirongozi recounts how the death of her brother drove her to build robots that manage traffic in the Democratic Republic of Congo.Max Pearson presents a collection of the week's Witness History episodes. Our guest is Zoe Kleinman, the BBC's technology editor.(Photo: Robots manage traffic in Kinshasa, Democratic Republic of Congo. Credit: Federico Scoppa/AFP)