This week we're looking at extinction. The deadly fungus that's killing amphibians, the story of the Dodo, plus why discovering that whales 'sing' helped to save them. Also, the book that changed attitudes to the environment and the 'Frozen Zoo' that aims to preserve endangered DNA for future generations.
(Photo: dead frog infected with Chytrid Fungus. Credit: Forrest Brem)
Storming the Stasi HQ
The fall of East Germany's secret police; racism, injustice and a child execution in the US, plus the killing of Osama Bin Laden; the woman who negotiated peace in the Philippines, and the man who saved British aristocrats' country houses.
Photo Photo:East Germans streaming into the secret police headquarters in Berlin on the night of January 15th 1990. Credit: Zöllner/ullstein bild/Getty Images.
The Computers for Schools revolution
In 2009, Uruguay became the first country in the world to give a laptop computer to every child in state primary schools. We hear from the man whose initiative is credited with transforming the lives of students and teachers. Plus, a US soldier's account of the battle for the Iraqi city of Fallujah in 2004, and memories of the Brazilian rubber-tapper and environmentalist Chico Mendes.
PHOTO: Two Uruguayan children enjoying their laptops (Courtesy Plan Ceibal)
The book that warned of an end to civilisation
In 1972 a book which outlined the possible future of the world became a best-seller. 'The Limits to Growth' was based on computer modelling which suggested that if economic growth remained unfettered, there'd be a 'traumatic' decline in civilisation from 2020. It also suggested global policy changes which could prevent a downward trend. Find out which path the world took and why...
Plus, why East German punks were targeted by the secret police in the 1980s, a top UN negotiator remembers how peace was won in El Salvador in 1991, the first black sitcom in Britain and the launch of the Chippendales - the first male strip show for women - in 1979.
Photo: Front cover of 'The Limits to Growth' published in 1972.
The Soviet invasion of Afghanistan
On 24th December 1979 Soviet troops poured into Afghanistan in support of an anti-government coup. The Soviet occupation would last for nine years.
Plus, the hidden history of the board game Monopoly, the invention of chemotherapy, the heaviest aerial bombardment of the Vietnam war at Christmas 1972, and the street-performer origins of the global circus phenomenon Cirque du Soleil.
Picture: Russian tanks take up positions in front of the Darulaman (Abode of Peace) Palace in Kabul, January 1980. (Henri Bureau/Corbis/VCG via Getty Images)