Radio choice Pete Naughton

What Happened to Africa’s Revolutions?

In the Sixties and Seventies, the Tanzanian capital Dar es Salaam was a place of revolutionary ferment, where ideas of a socialist, post-colonial African continent were widespread, prompting visits from Malcolm X, Che Guevara, the Black Panthers and Nelson Mandela. In this arresting documentary, Africa analyst Ben Shepherd travels to Tanzania and Uganda to examine the often-untold history of these left-wing liberation movements – and to see what kind of legacy they have left behind. WORLD SERVICE, 8.30PM

 If you go back far enough in the evolutionary record, you will find that every bird, reptile and mammal on Earth today are descended from fish. But how did our aquatic ancestors make the switch to life on land? And how difficult was it for them to adapt? These are the listener-posed questions in this week’s edition of the World Service’s egalitarian science strand; questions which lead presenter Marnie Chesterton on a trail to the Scottish Borders, where some intriguing, 350 million year-old fossils have been discovered.