1/5 Two determined balloonists, 200 years apart, take to the skies to raise money for charity.
BBC Radio 4 joins the BBC World Service.
A vaccine against Schmallenberg disease is approved, but will farmers use it?
David Attenborough presents the sounds and story of the greenfinch.
Sean Curran reports from Westminster.
Lord John Krebs talks to Jim al-Khalili about birds, foot and mouth disease and badgers.
Ritula Shah talks to Dr Michael Irwin about the idea of renouncing life in old age.
2/5 The military are quick to see the potential of balloons for aerial reconnaissance.
Sexual assaults in the US military, the dangers of being a 'cool' parent. With Jane Garvey
Dr Geoff Bunn features comic book heroes and science in his history of the lie detector.
2/4 Prof Winston on the logic, engineering and physics underlying the musical sounds we hear.
Consumer phone-in with Julian Worricker.
2/5 Russian novelist Zinovy Zinik came to London in 1976 and worked for the BBC World Service.
Helen Castor is joined by leading historians to discuss the latest historical research.
Tom Heap investigates the latest developments in GM technology.
A personal account of the challenges of leaving a prison cell for the outside world.
8/9 Edmund de Waal, author of The Hare with Amber Eyes, chooses Holocaust writer Primo Levi.
Arts news with Mark Lawson, including an interview with bestselling writer Dan Brown.
Can the NHS protect patients from new antibiotic-resistant superbugs?
Mauri Molinario tells Peter about problems for vips trying to use the music site Spotify.
Europe and the USA are spending millions mapping the brain but will this approach pay off?
Sean Curran reports from Westminster as gay marriage clears the Commons.
2/5 The military are quick to see the potential of balloons for aerial reconnaissance. (R)
Wednesday 22 May 2013