Mobeen Azhar finds out how a charity is helping heroin addicts in Karachi.
BBC World Service
1/2 Max Flint investigates the negatives of inflation in different parts of the world.
2/4 Michael Robinson wonders if a return to the banking of yesteryear is a possible solution.
BBC Radio 4
Andrew Brown explores philosopher David Hume's witty, provocative career as a historian.
BBC Radio 3
Richard Holloway explores the myth of Judas Iscariot and his depiction through the ages.
Ian McMillan goes in search of one of Britain's strangest linguistic features.
2/2 Adam Nicolson explores ideas of Arcadia in western culture and why death is at its heart.
Can you apply Darwin's theory of natural selection to music and create the perfect song?
1/2 Adam Nicolson explores ideas of Arcadia in the work of Hesiod, Virgil and Horace.
Is enough being done to combat diesel pollution which is blamed for thousands of deaths?