How effective are the drug rehabilitation centres run by Guatemala's Pentecostal churches? (R)
Rebecca Morelle examines how children could be born with DNA from three people.
1/8 Sarah Montague asks Sir Ken Robinson why he thinks schools are a barrier to creativity. (R)
Arthur Bostrom examines the origins, colourful history and new era of the double entendre. (R)
Sean Curran reports from Westminster as the Commons returns after its summer break.
1/5 Omid Djalili recalls times when he provoked laughter for all the wrong reasons. (R)
BBC Radio 4 joins the BBC World Service.
The latest news about food, farming and the countryside. Presented by Anna Hill.
David Attenborough presents the South American hoatzin.
Susan Hulme reports from Westminster.