3/4 Helena Kennedy talks to Jeremy Hutchinson, defence lawyer in the Lady Chatterley trial.
BBC Radio 4
Prof Kathy Willis probes the tools that are proving essential to map the world's flora.
Composer Matthew Herbert takes a critical look at looping and sampling in modern music.
Have astronomers really found gravitational waves from the Big Bang?
BBC World Service
Islam and Aboriginal Australians
1/3 Four individuals discuss the part languages and words play in their working lives.
Uncovering the elusive ways plants move and respond to their surroundings.
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?