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The daily disposable contact lens

How the contact lens became cheap enough to throw away after a day

• 9 mins

The warnings before 9/11

Throughout 2001 the US authorities were given warnings that a terror attack was imminent

• 9 mins

Catching 'Carlos the Jackal'

How the CIA tracked down one of the world's most wanted men

• 9 mins

Dr Seuss: the man who taught America to read

The Dr Seuss books revolutionised reading in America in the 1950s.

• 9 mins

The first human Cyborg

In 1998 a transponder was implanted into the body of British scientist, Kevin Warwick.

• 9 mins

Finding El Salvador's missing children

The search for hundreds of children kidnapped by the Salvadoran army during the civil war

• 9 mins

I helped liberate Paris from the Nazis

A former member of the French resistance remembers the drama of August 1944

• 9 mins

The return of the wolf

Wolves were reintroduced to Yellowstone decades after they were wiped out in the US.

• 9 mins

The death of Brazil's Getulio Vargas

How the influential Brazilian leader took his own life rather than submit to the military

• 9 mins

The murder of black teenager Emmett Till

In 1955, Emmett Till, a black teenager from Chicago, was brutally murdered in Mississippi

• 9 mins

Mexico's murdered women

How young women began disappearing in the Mexican border town of Ciudad Juarez in 1993

• 9 mins

The Kindertransport children who fled the Nazis

How thousands of unaccompanied children were sent to safety by their desperate parents

• 9 mins

Nina Simone moves to Liberia

The great African-American jazz singer moved to West Africa in 1974.

• 9 mins

The paedophile identified by his hands

The first conviction of a paedophile using hand analysis.

• 9 mins

The outbreak of World War Two

On September 1st 1939 German troops invaded Poland. Cameraman Douglas Slocombe was there.

• 9 mins

The first all-women peacekeeping unit

The UN deployed its first all-female peacekeepers in Liberia in 2007.

• 9 mins

Inside lunar astronaut quarantine

Apollo 11's doctor tells how NASA tried to protect Earth from possible lunar alien life

• 9 mins

The Holocaust denial trial

The libel case that put history itself in the dock in 2000

• 9 mins

The businessman who defied the Italian Mafia

In 1991 Libero Grassi was killed in Sicily for publicly refusing to pay protection money.

• 9 mins

The coup, the president and the embassy

How the deposed Honduran president spent months holed up in the Brazilian embassy

• 9 mins

The TV series Friends

One of the most successful TV comedy shows of all time hit US screens in September 1994

• 9 mins

India's affirmative action controversy

Why guaranteeing government jobs to lower caste Hindus led to weeks of student protests.

• 9 mins

Conflict timber in Liberia's civil war

How the timber industry fuelled a brutal civil war in West Africa.

• 9 mins

Magellan and the first voyage around the world

In 1519, the Portuguese explorer set off on the first circumnavigation of the globe.

• 9 mins

An Ethiopian war hero

Ethiopia sent soldiers to fight alongside the United Nations during the Korean War

• 9 mins

The repeal of 'Don't ask, don't tell'

Until 2011 LGBT service people in the US armed forces had to keep their sexuality secret

• 9 mins

Free breakfast with the Black Panthers

The revolutionary Black Panther Party provided free breakfasts for local schoolchildren.

• 9 mins

CS Lewis and the Chronicles of Narnia

The first book in CS Lewis's Chronicles of Narnia series was published in autumn 1950

• 9 mins

Sir Anthony Blunt - Soviet spy

The distinguished art historian was exposed as a former Soviet spy in the autumn of 1979.

• 9 mins

The Sound of Music on Broadway

The Rodgers and Hammerstein musical was performed on stage before it became a movie.

• 9 mins