First reports of Ebola

The Russian stray was the first dog to orbit the Earth. She was sent into space in November 1957 in a flight which had been timed to mark the anniversary of the Russian Revolution. She died after orbiting the Earth four times. Professor Victor Yazdovsky's father was in charge of the dogs in the Russian space programme. Professor Yazdovsky tells Olga Smirnova about playing with Laika, before her flight, when he was just nine years old.Photo: Laika. Credit: Keystone/Hulton/Getty Images.

15 Heinä 20199min

Twelve tonnes of ivory was set alight by President Daniel Arap Moi in Nairobi National Park in July 1989, to highlight the threat from poaching.The ivory burn was organised by conservationists who wanted to save the world's elephants. Alice Castle has been speaking to Richard Leakey, former head of the Kenya Wildlife Service.(Photo: Ivory tusks arranged in a pile and set alight. Credit: Andrew Holbrooke/Corbis/Getty Images)

12 Heinä 201910min

Four army officers were sentenced to death for drug trafficking by the Castro government in July 1989. Critics accused the communist authorities of carrying out a show trial of opponents of President Fidel Castro. In 2016, Mike Lanchin spoke to Ileana de la Guardia, daughter of one of the four men executed.Photo: Col Antonio de la Guardia and his daughter Ileana, Cuba 1986 (AFP)

11 Heinä 201910min

The Common Cold Unit was created after World War Two to find the cause of the illness. Its work depended on thousands of volunteers who came to the unit to catch a cold. Given food, accommodation and some pocket money, many volunteers regarded it as a holiday and came back year after year. Witness spoke to eminent virologist, Professor Nigel Dimmock who worked at the Common Cold Unit in the 1960s. Photo: Two volunteers take part in the clinical trial at the Common Cold Unit in Salisbury, 1958 (PATHE)

10 Heinä 201910min

Tampons first went on sale in China in 1985. But many Chinese women, especially in rural areas still didn't have access to basic sanitary products. Even now only a tiny percentage of Chinese women use tampons on a regular basis. Yashan Zhao has been talking to the man behind the first advertising campaign for tampons in China, and to a woman from the countryside where sanitary products were not widely available until the late 1980s.Photo: Chinese women looking at educational material about tampons in a Beijing store, in 1985 (Courtesy of Ren Xiaoqing)

9 Heinä 201910min

The discovery of the diaries of 19th-century Englishwoman Anne Lister, who wrote in secret code about her love affairs with women and has been called the first modern lesbian. A landowner and a businesswoman, she defied the conventions of the time and was nicknamed by local people in the Yorkshire town of Halifax where she lived 'Gentleman Jack' because of the way she dressed and acted. Louise Hidalgo has been talking to Helena Whitbread, who discovered Anne Lister's diaries in 1983 and spent five years decoding them.Picture: portrait of Anne Lister, of Shibden Hall, Halifax (credit: Alamy)

8 Heinä 201910min

In 1995 a group of senior, indigenous Australian women started a campaign to halt the construction of a nuclear waste facility in a remote part of South Australia. Karina Lester, a granddaughter of one of the women and a translator for the campaign, spoke to Rachael Gillman about their unlikely victory against the Australian government.Photo: Kupa Piti Kungka Tjuta, the group of senior aboriginal women who led the campaign (Umoona Aged Care)

5 Heinä 20198min

The portable cassette player that brought us music on the move was launched in July 1979. By the time production of the Walkman came to an end thirty years later, Sony had sold more than 220 million machines worldwide. Farhana Haider has been hearing from Tim Jarman, who purchased one of the original blue-and-silver Walkmans.(Photo by YOSHIKAZU TSUNO/Gamma-Rapho via Getty Images)

4 Heinä 20199min