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

Melvyn Bragg reveals archive footage telling the history of modern Britain. At Osterley Park, Melvyn visits the site of the first Home Guard training school. Show more

Virologist Mike Leahy uses 50 years of BBC archive to explore the history of pandemics - infectious diseases caused by bacteria, viruses and parasites - from smallpox to swine flu. Show more

Expert John Wass presents a documentary telling the story of how hormones were discovered and remain at medicine's cutting edge as we try to deal with modern scourges like obesity. Show more

Mike de Gruy and Kate Humble lead an international team of scientists and divers as they search for species new to science in the Amazon River. The team explores a 90-metre chasm. Show more

Comedy series set in the parks department of an Indiana town. Getting the word out about the Harvest Festival, Leslie, Ben and Tom do radio, TV and newspaper interviews. Show more

Comedy series set in the parks department of an Indiana town. Leslie and Ron drive to Indianapolis to receive commendation for the upcoming Pawnee Harvest Festival. 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

Dr Jago Cooper visits the ruins of Tiwanaku in the Bolivian Andes and finds evidence of an ancient people with amazing understanding of their environment. Show more

Focusing on the influence of Le Corbusier's post-war work, Jonathan Meades reclaims the reputation of once-maligned buildings that he argues stood for optimism and grandeur. Show more

Expert John Wass presents a documentary telling the story of how hormones were discovered and remain at medicine's cutting edge as we try to deal with modern scourges like obesity. Show more