The latest national and international news, exploring the day's events from a global perspective.
Iolo Williams explores Snowdonia. In autumn, Iolo visits hidden wildernesses with outstanding views of the season's colours and the big mountains of Snowdonia. Show more
Dominic Sandbrook concludes his exploration of the most innovative and imaginative of all genres by considering science fiction's most alluring theme - time travel. Show more
David Attenborough takes a breathtaking journey through Africa, looking at the constantly changing landscape of east Africa and creatures found nowhere else on Earth. Show more
Series exploring the history of Africa. Henry Louis Gates Jr explores how the emergence of Christianity and Islam reshaped Africa over centuries. Show more
Series looking at the history of 20th-century farming in Britain. How the country became self-sufficient in producing bread-making wheat after the Second World War. Show more
Ben Garrod finds out how the skeleton has allowed vertebrates to take to the air, why the pigeon is an exceptional flier and how the albatross makes huge migrations. Show more
Ben Garrod delves into the surprising ways in which bone has evolved to help vertebrates sense the world around them, from wolves and sheep to the great grey owl. Show more
Andrew Graham-Dixon looks at the period from the 10th to the 15th centuries - from the Song to the Ming Dynasties - which encompassed the golden age of art in China. Show more
Dominic Sandbrook concludes his exploration of the most innovative and imaginative of all genres by considering science fiction's most alluring theme - time travel. Show more
Janina Ramirez looks at how monasteries transformed society and rose to a position of immense power, only for sin and corruption to lead to collapse as the medieval period ended. Show more