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

Michael Portillo reaches the end of the first intercity line from London, visiting Mansfield, Worksop and Doncaster before auditioning at a Leeds music hall. Show more

Chris Packham explores what makes animal groups successful. He looks at how the globe's 100 trillion ants have colonised the planet like no other. Show more

How the Hunter brothers transformed medicine and art in 18th-century Britain, believing that anatomy could only be learnt by performing dissections. Show more

James Fox tells the story of New York in 1951, when the likes of Jackson Pollock, Jack Kerouac, Marlon Brando and David Ogilvy helped create the world we know today. Show more

Documentary series. A look at how tea-growing cultures, bird-filled wetlands and futuristic cities jostle along China's eastern seaboard in a battle for resources. Show more

Olivia Horsfall Turner looks at plans to radically reconstruct 17th-century London and 1940s Glasgow by Sir Christopher Wren and Robert Bruce respectively. Show more

Documentary following a team of underwater archaeologists and experts as they use CGI to reveal the secrets of Pavlopetri in Greece, the world's oldest submerged city. Show more

Chris Packham explores what makes animal groups successful. He looks at how the globe's 100 trillion ants have colonised the planet like no other. Show more

How the Hunter brothers transformed medicine and art in 18th-century Britain, believing that anatomy could only be learnt by performing dissections. Show more

Documentary series. A look at how tea-growing cultures, bird-filled wetlands and futuristic cities jostle along China's eastern seaboard in a battle for resources. Show more

James Fox tells the story of New York in 1951, when the likes of Jackson Pollock, Jack Kerouac, Marlon Brando and David Ogilvy helped create the world we know today. Show more