Uncovering the elusive ways plants move and respond to their surroundings.
BBC Radio 4
1/3 Gerald Scarfe presents depictions of the fiery realms of Satan and Mephistopheles.
5/5 Agony aunt Irma Kurtz talks to South African counterpart Criselda Kananda.
Orbiting and landing on a comet. The most daring science space mission ever?
BBC World Service
6/6 Margaret Macmillan tells the story of the events leading up to the First World War.
Monica Whitlock tells the unexpected story of the Helmand valley dam complex
Lord Digby Jones explores the relationship between business, government and society.
2/2 Laurence looks at how colour has been used to signify both wealth and spirituality.
Poet Paul Muldoon recalls a fellow Belfast wordsmith who innovated radio production.
Simon Broughton tells the story of Hungarian folk musicians Muzsikas.