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

Wales's steam railways seemed lost forever with the Beeching cuts of the 60s. In this episode we meet the last generation of Welsh steam railwaymen and visit a heritage railway. Show more

Dan Snow looks at how, from their beginnings as track-ways for coal carts in the early 18th century, railways developed into the pivotal technology for modern Britain. Show more

James tries to put a 1959 Suffolk Colt petrol lawnmower, which helped make mowing accessible to the masses by producing a smaller and affordable machine, back together. Show more

Series exploring the impact of technology on war. A look at the decisive role played by the P-51 Mustang in protecting US bombers from German attack. Show more

Series revealing the secrets of the world's biggest machines. A multimillion-pound Boeing 747 is broken down to parts and reassembled for flight. Show more

With privileged access to disused stations and rare archive footage, this is the tube's hidden history, revealing why it was first built and how it has shaped London ever since. Show more

Michael Scott discovers that from the start, drama was about more than entertainment - it was a reaction to real events and it was deeply connected to Athenian democracy. Show more

Sona Datta looks at the Mughals, who created the most dazzling empire India has ever seen, from the Taj Mahal to intricate miniatures of court life. Show more

Dan Snow looks at how, from their beginnings as track-ways for coal carts in the early 18th century, railways developed into the pivotal technology for modern Britain. Show more

James tries to put a 1959 Suffolk Colt petrol lawnmower, which helped make mowing accessible to the masses by producing a smaller and affordable machine, back together. Show more

Series exploring the impact of technology on war. A look at the decisive role played by the P-51 Mustang in protecting US bombers from German attack. Show more