World Circuit Records has made its reputation by producing some of the finest albums of the past three decades. The label’s prestigious roster includes the Grammy-winning Buena Vista Social Club and associated solo artists (including Ibrahim Ferrer, Rubén González, Omara Portuondo and Orlando ‘Cachaíto’ López), Malian blues pioneer and Grammy-winner Ali Farka Touré, Malian divas and social activists Oumou Sangaré and Fatoumata Diawara, master kora player Toumani Diabaté, the illustrious Orchestra Baobab, musical iconoclast Cheikh Lô, and Fela Kuti’s legendary drummer and co-creator of Afrobeat Tony Allen. 
 
With reissues and brand new releases coming soon, World Circuit continues to bring diverse, genre-defying music to a wider audience.

A Brief History of Mathematics
Professor Marcus du Sautoy argues that mathematics is the driving force behind modern science. Ten fifteen minute podcasts that reveal the personalities behind the calculations from Newton to the present day. How do these masters of abstraction find a role in the real world?

Man's effect on the environment, questioning accepted truths, challenging those in charge and reporting on progress towards improving the world. Presenters, Tom Heap and Dr Alice Roberts, travel the UK and the world in search of solutions to the challenges facing the natural world and the people and wildlife that live in it. 

File on 4

Radio 4's award winning, flagship investigative series File on 4.

Throughout the week BBC World Service offers a wide range of documentaries and other factual programmes. This podcast offers you the chance to access landmark series from our archive.

Ed Hulse is following