How NASA put an orbiting observatory into space in 1990. Read more
The launch of the Hubble Space Telescope
How NASA put an orbiting observatory into space in 1990.
The Chinese cure for malaria
How scientists in the 1970s discovered an anti-malarial drug using a traditional remedy.
Hong Kong's abandoned children
The Chinese babies left on the streets of 1960s Hong Kong in the hope they'd be adopted.
Sequencing the 1918 influenza virus
Over 50 million people are thought to have died from influenza around the world in 1918
The Saudi bombardment of Yemen
In March 2015 Saudi Arabia and its allies began an intense aerial bombardment of Yemen
The Cheonan sinking
On March 26th 2010 a South Korean naval ship sank after an explosion - 48 sailors died
The AIDS Memorial Quilt
In 1985 activists made a giant quilt to commemorate those killed by AIDS in the USA.
Britain's first woman judge
Rose Heilbron was a trailblazer for women in the legal profession in Britain.
The trembling giant
Could the biggest living organism on earth be a colony of quaking aspen trees?
Avenging the Amritsar Massacre
A former British governor of Punjab was shot in 1940 as revenge for killings in Amritsar
The Swedish warship restored after 300 years
A Swedish warship, Vasa, sank in the 17th century but was raised from the seabed in 1961
Being a Chinese Muslim
It has never been easy to practice a religious faith in communist China
The Homebrew computer club
A group of Californian computer enthusiasts first began meeting to share ideas in 1975.
The Trojan Room coffee pot
The world's first webcam went online in 1993. Its camera was focused on a coffee pot.
Six Degrees: The first online social network
Andrew Weinreich founded the first online social network in 1997
The first iPhone
The touchscreen smartphone changed mobile technology for ever.
The unlikely pioneers of online shopping
How a 72-year-old grandmother started online shopping before the internet
Apollo 13: The drama that gripped the world
How millions of TV viewers followed the famous rescue of three NASA astronauts in 1970.
Nasa's female aquanauts
The women who led the way in America's space programme by spending two weeks underwater
The last men on the Moon
In 1972 the American space agency NASA carried out its final Moon mission
When Skylab fell to Earth
The space station which was meant to break up and fall into the sea but instead hit land
A space crash
Michael Foale was on board the Mir space station when a resupply vessel crashed into it.
The Deepwater Horizon disaster
A deadly explosion on a drilling rig led to an environmental disaster in the US
The last survivor of the transatlantic slave trade
A woman who died in the US in 1940 was captured and enslaved in West Africa as a child
Edhi: Pakistan's 'Angel of Mercy'
Abdul Sattar Edhi built one of the biggest welfare charities in the world
The Brompton Manley Ventilator
The development of a ventilation system that was a precursor to modern ventilators.
Tennessee Williams on the BBC
The great American playwright revealed a lot about himself in BBC interviews
Waria warriors - the fight for trans rights in Indonesia
The transgender Indonesians who fought for their rights in the 1970s and 1980s
The 1957 flu that killed a million people
In 1957 a new strain of flu emerged in East Asia and quickly spread around the world
The assassination of the UN's first Middle East mediator
The first Middle East mediator, Count Bernadotte, was assassinated in Jerusalem in 1948
The Galapagos sea cucumber dispute
How fishermen and conservationists battled in the species-rich waters of the archipelago