The latest national and international news, exploring the day's events from a global perspective.

Julia Bradbury's walk takes her to the edge of the Kalahari Desert. Far away from the tourist draws, it is an insight into a true African world. Show more

Jerry Brotton shows how maps can be tools of power and snapshots of history. Henry VIII's maps of the British coast helped him exert control over the world. Show more

Dramatisation of the race for home computer supremacy in the 1980s, documenting the lengthy rivalry between Clive Sinclair (Alexander Armstrong) and Chris Curry (Martin Freeman). Show more

In a journey that takes him across Britain and to South Korea, poet and gadget lover Simon Armitage explores people's obsession with upgrading to the latest technological gadgetry. Show more

Professor Dame Jocelyn Bell Burnell describes how she discovered pulsars, the by-products of supernova explosions which make all life possible. Show more

Dallas Campbell delves into the Horizon archive to discover how our understanding of intelligence has transformed over the last century, from early caveman thinkers to computers. Show more

Jerry Brotton shows how maps can be tools of power and snapshots of history. Henry VIII's maps of the British coast helped him exert control over the world. Show more

Professor Dame Jocelyn Bell Burnell describes how she discovered pulsars, the by-products of supernova explosions which make all life possible. Show more

Julia Bradbury's walk takes her to the edge of the Kalahari Desert. Far away from the tourist draws, it is an insight into a true African world. Show more