The latest national and international news, exploring the day's events from a global perspective.
Armed with his 1913 guide, Michael Portillo explores the once-great empire of Austria-Hungary, domain of the famous Habsburg monarchs. Show more
Horizon tests the limits of the data revolution, crime prediction in LA, financial formulas in the city of London and a South African attempt to catalogue the entire cosmos. Show more
Professor Alice Roberts on the natural history of the woolly mammoth, revealing adaptations that helped the species evolve from their origins in the tropics to surviving in Siberia Show more
Dr Jago Cooper travels from Peru to the far north of Inca territory in Ecuador to reveal how the great strengths of the empire became factors in its rapid demise. Show more
Neil Oliver joins a team of historians and scientists investigating the final resting place of Alfred the Great as they exhume the contents of an unmarked grave. Show more