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The Guatemalan syphilis scandal

How American doctors carried out secretive STD experiments in Guatemala in the 1940s

• 9 mins

The siege at Ruby Ridge

An 11-day standoff between a fugitive and the US government ended with three people dead.

• 9 mins

Margaret Ekpo - Nigeria's feminist pioneer

The trades union activist and politician who fought for Nigerian independence.

• 9 mins

America's first woman combat pilot

How Jeannie Leavitt became the first woman to fly a US Air Force fighter plane in 1993.

• 9 mins

Occupy Wall Street

How former policeman Ray Lewis joined the anti-inequality demonstrations in New York

• 9 mins

St Kilda

The remote Scottish islands whose last inhabitants were evacuated in August 1930

• 9 mins

Who has the right to vote in America?

The decision that quashed a key part of an electoral law designed to protect black voters

• 9 mins

Inventing James Bond

How author and former intelligence officer Ian Fleming created the British super-spy

• 9 mins

Flying through a volcano

How a British Airways jumbo jet flew through a volcanic ash cloud and survived

• 9 mins

The birth of the Sony Walkman

The portable tape player that brought music-on-the-move to millions was launched in 1979

• 9 mins

The Cape Town bombings

In the late 1990s there were more than 150 bomb attacks in the South African city

• 9 mins

Care in the Community

In the 1990s Britain closed down many of its long-stay hospitals and asylums

• 9 mins

The Dawson's Field hijacking

Barbara Mensch recalls how she was hijacked and held in Jordan in 1970

• 9 mins

Haiti's cholera outbreak

Haiti was cholera-free until UN peacekeepers brought it to the Caribbean country in 2010

• 9 mins

The birth of Reddit

In 2005 two young graduates created one of the internet's most popular websites.

• 9 mins

Banning alcohol in an Indian state

Punyavathi Sunkara recalls how the Indian state of Andhra Pradesh banned alcohol in 1995.

• 9 mins

Why the US rejected universal healthcare

After WW2 US President Harry Truman argued for healthcare for all but his plan failed.

• 9 mins

Resisting 'Europe's last dictator' in Belarus

Exiled dissident Nikolai Khalezin on the origins of the protest movement in Belarus

• 9 mins

The Mau Mau struggle against British rule

In the 1950s rebels took up arms to rid Kenya of colonial rule

• 9 mins

The Greensboro lunch counter sit-in

In 1960 four young black men began a protest against racial segregation in the USA.

• 9 mins

Tank Man

A photo of a man confronting a tank in China caught the world's imagination in 1989

• 9 mins

The mothers of Argentina's disappeared

The women who began protesting after their children were taken away by soldiers

• 9 mins

The Galileo project

A mission to study the planet Jupiter finally came to an end on 21st September 2003

• 9 mins

How Liberia wrote off its debts

Hoe Liberia negotiated to write off billions of dollars of debt.

• 8 mins

How Liberia wrote off its debts

How Liberia negotiated to write off billions of dollars of debt.

• 9 mins

When Nelson Mandela went to Detroit

Shortly after his release from prison the South African freedom fighter toured the USA

• 9 mins

Blackwater killed my son

How US private security guards opened fire on civilians in Baghdad, killing 17 people

• 9 mins

Bush v Gore: The 'hanging chads' US election of 2000

The US presidential election of 2000 was one of the closest and most contested in history

• 9 mins

The death of Gamal Abdel Nasser

The charismatic Egyptian president dominated Arab politics for almost two decades

• 9 mins

The Mafia trial of Italy’s former Prime Minister Giulio Andreotti

A trial which shone a light on links between Italian politicians and the Mafia

• 9 mins