Why did it take so long for the world to wake up to the threat of Ebola?
BBC World Service
Listen live (BBC World Service homepage)
2/2 Dr Jones decides whether he wants to know the information revealed by his genome sequence. (R)
BBC Radio Wales
3/3 Examining the international side of comedy - its origins, variations and universalities.
BBC Radio 4 Extra
Neil MacGregor focuses on how German chemists discovered the secrets of Chinese porcelain.
BBC Radio 4 FM only
2/2 Santanu Das tells the story of Indian soldiers on the Western Front.
BBC Radio 4
13/15 Peter Conrad turns his attention to celebrity pets.
Hanes dyn sy wedi bod yn teithio i ysbytai am tua 30 o flynyddoedd i weld ei wraig ag MS. (R)
BBC Radio Cymru
3/5 How Our World became the first programme to link the globe by satellite in June 1967.