Daily from 7.00pm.
Programmes start at 7.00pm.
The latest news, exploring the day's events from a global perspective.
Michael Portillo travels the Habsburg imperial line across the Semmering Pass. Michael savours the imported coffee which fuelled Vienna's cafe culture. Show more
David Attenborough reveals the strategies used by reptiles and amphibians to conquer their shortcomings, whether for safety, breeding or capturing prey. Show more
Snake expert Romulus Whitaker investigates claims that India is in the middle of a snakebite epidemic of epic proportions, journeying around the country. Show more
Documentary in which architect Jonathan Adams travels America exploring the work of Frank Lloyd Wright, possibly America's greatest ever architect. Show more
Colour: The Spectrum of Science
Episode 3: Beyond the Rainbow
1 hour
on BBC Four HDAvailable for years
Helen Czerski looks at the colours invisible to our eyes. To see the universe in a new light, she takes to the skies in a jet equipped with an infrared telescope. Show more
In Tyndrum gold fever has gripped the village's residents, but will the Loch Lomond Park Authority give permission for Scotland's first gold mine? Show more
Dr Bryan Fry uses hi-tech tools to take a fresh look at komodo dragons, showing how the true nature of the world's largest lizard is being uncovered a century after its discovery. Show more
Snake expert Romulus Whitaker investigates claims that India is in the middle of a snakebite epidemic of epic proportions, journeying around the country. Show more
David Attenborough reveals the strategies used by reptiles and amphibians to conquer their shortcomings, whether for safety, breeding or capturing prey. Show more
Programmes start at 7.00pm.
