The daily disposable contact lens

A boom in demand for sea cucumbers in Asia in the 1990s set off a confrontation between fishermen and conservationists in the waters off the Galapagos islands, where the protein-rich sea creature was found in abundance. The high price being paid for the sea cucumbers led to a gold rush on the South American archipelago, a chain of 21 islands home to many unique wild-life species. Mike Lanchin has been speaking to a Galapagos fisherman and a British conservationist, who found themselves on opposite sides of the dispute. (Photo credit: Getty Images)

30 Apr 20209min

The UN's first Middle East mediator, Count Folke Bernadotte, was assassinated in Jerusalem in 1948. A Swedish diplomat and member of the Swedish royal family, Count Bernadotte was killed by Jewish extremists four months after being appointed to try to bring peace to what was already proving to be one of the most intractable conflicts in the world. Louise Hidalgo has been talking to his son, Bertil Berndotte, about the count and his mission.Picture: Count Folke Bernadotte (centre foreground) in a jeep in Haifa on September 15th 1948. He was assassinated two days later in Jerusalem (Credit: AFP via Getty Images)

29 Apr 20209min

In 1957 a new strain of flu emerged in East Asia and quickly spread around the world, killing a million people. It was dubbed the "Asian flu" but it spread to Europe and North and South America. Gabriela Jones has been listening to archive news reports from the time and speaking to Sumi Krishna who was nine years old when she caught the virus in India in 1957.Photo: Americans worried about "Asian flu" wait their turns at Central Harlem District Health clinic in October 1957. Credit: Getty Images

28 Apr 20208min

Nancy Iskandar is a magician, snake dancer, former sex worker, committed Muslim and long-time campaigner for transgender women’s rights in Indonesia. Josephine Casserly talks to her about the fight for transgender women to be accepted into Indonesian society in the 1970s and 1980s. Photo: Nancy Iskandar. Credit: BBC

27 Apr 20209min

The great American playwright gave several interviews to the BBC over the years and some of them provide revealing insights into his personal life. He spoke about loneliness, mental illness and even touched on his own homosexuality at a time when very few people were open about those things in public. Vincent Dowd has been delving through the BBC archive.Photo: Tennessee Williams in London in 1965. Credit: Getty Images

24 Apr 20208min

In 1970 a modern portable ventilator system was designed for use in intensive care units. The Brompton Manley’s designer was Dr Ian English a gifted anaesthetist who worked at the Royal Brompton, a specialist London hospital that treated patients with heart and lung disorders. Farhana Haider has been speaking to Margaret Branthwaite, a doctor who worked with Dr English, about how innovative the new ventilator was.(Photo Dr Ian English Cardiothoracic Anaesthetist. Credit Family: Handout)

23 Apr 202010min

Abdul Sattar Edhi built one of the biggest welfare charities in the world. He started with a small pharmacy in Karachi dispensing free medication to the poor in the 1950s. His wife Bilquis Edhi shared his passion for charity and together they built more than 300 health clinics, trained thousands of nurses, took care of tens of thousands of orphans and set up a nationwide ambulance service. Bilquis Edhi tells Rebecca Kesby how she first met Edhi when she was training to be a nurse. (Photo: Abdul Sattar Edhi and his wife and work partner Bilquis Edhi. Credit Getty Images)

22 Apr 202010min

The last surviving person to be captured in Africa in the 19th century and brought to United States on a slave ship, has been identified as a woman called Matilda McCrear, who died in Alabama in 1940. Sean Coughlan has spoken to the historian Hannah Durkin who uncovered Matilda's extraordinary life story and to Matilda's grandson, Johnny Crear.Photo: Matilda McCrear in later years. Copyright: Johnny Crear.

21 Apr 20208min