Two short operas, premiered within a couple of years of each other in the 1890s by Italian composers - Pietro Mascagni's Cavalleria Rusticana and Ruggero Leoncavallo's Pagliacci. Show more
David Attenborough looks at deserts around the world from Namibia to Chile, unravelling the secrets behind desert survival and revealing their ephemeral nature. Show more
A look at M51 aka the Whirlpool Galaxy. By examining it at many magnifications and wavelengths the programme will build up a detailed portrait. Show more
Documentary telling the story of the man behind the greatest fraud in recent sporting history, a portrait of a man who stopped at nothing in pursuit of money, fame and success. Show more
Professor Brian Cox explores the laws of the universe. In this episode, Brian looks at the nature of time and its role in creating both the universe and ourselves. Show more
Science documentary series. Horizon goes behind the scenes at Nasa to discover how it is preparing for its most ambitious mission - to land astronauts on the surface of Mars. Show more
Geologist Prof Iain Stewart shows how the continent of Africa was formed from the wreckage of a long lost supercontinent. Show more
A network of flooded caves and underground rivers discovered beneath the jungle-clad temples of Mexico's Yucatan has revealed bizarre new animals and skeletons of the ancient Maya. Show more