Sir David Attenborough examines new evidence on a controversial theory of human origins.
Adam Henson visits Charbel Akiki, a Lebanese who farms biodynamically.
Melvyn Bragg and guests discuss Alchemy, the ancient science of transformations.
Physicist Dr Jen Gupta and comedian Alice Fraser travel the worlds of science and sci-fi.
Anjana Ahuja examines the use of polygraphs, or lie detectors, on sex offenders.
Steve Jones examines the ways in which science has been used to support prejudice.
From Gilgamesh to Cryonics - Ernie Rea and guests discuss the quest for immortality.
Whose idea was more powerful - Darwin's good one or his cousin Francis Galton's awful one?
Can the dead talk to us? Jolyon Jenkins looks into EVP - alleged voices from the far side.
Roger travels to Chongqing to see what new museums are being built there.
Jolyon Jenkins meets the men trying to build free energy machines in their garages.
What options do people in Ghana have when a person suffers mental illness?
Helena Bonham Carter on why she consults a psychic for choosing roles
Melvyn Bragg and guests discuss the origins of everything.
Melvyn Bragg examines the destructive career of the Soviet geneticist Trofim Lysenko.
Aleks Krotoski explores if we treat technology like magic.
Martin Wainwright talks to creationist Malcolm Bowden.
Claudia Hammond slays common myths about the brain and its workings.
Peter White investigates the roots of the idea of the 'miracle cure'.
Josie Long investigates small mysteries in this sequence of mini documentaries.
Melvyn Bragg and guests discuss perpetual motion.
What is life like in Britain's most haunted village? Helen Mark is in Pluckley to find out
The 'science of success'? William Little explores the history and techniques of NLP.
Live debate examining the moral issues behind one of the week's news stories.
Ernie Rea and guests discuss religion's obsession with numbers.
Robin Ince, Brian Cox and guests put science up against the supernatural.
Simon Pegg and Nick Frost explain the restrictions they faced when writing their new alien comedy movie, Paul.