Michael examines Neville Chamberlain's 1938 declaration of 'peace for our time'.
Peter White examines the changing role of the working dog.
Ben Miller joins Brian Cox and Robin Ince to talk physics and comedy.
Martha Kearney chairs the topical debate from Masham, North Yorkshire.
John Waite investigates the work of the Vatican Secret Archives laboratory.
Russell Davies chairs the tenth, heat of the perennial general knowledge contest.
The impact of the internet - dreamt up by visionaries and embraced by commerce.
John Simpson returns to Bucharest 20 years after the bloody overthrow of Nicolae Ce...
Claudia Hammond reports on hopeful new research to help anxious children.
James Naughtie asks if British diplomacy is still fit for purpose.