Katty Kay in Washington and Christian Fraser in London report on the events that are shaping our world.

Michael Portillo embarks on a journey through southern Scotland from west to east. From Ayr, he admires Ailsa Craig before getting to grips with curling. 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

Richard E Grant follows in the footsteps of artists who have lived, loved and painted on France's Cote d'Azur, including Cezanne, Monet, Renoir and Matisse. Show more

Francesco da Mosto travels the length and breadth of Italy. He gets romantic in Verona, witnesses the birth of western art and has a makeover from Giorgio Armani. Show more

Professor Catharine Edwards explores the story of Livia, wife of the emperor Augustus and mother of Tiberius, whose influence was felt across the Roman world for over 60 years. Show more

Robin Lane Fox searches for the origins of the Greek myths on a journey through the 8th-century Mediterranean world from the lost city of Hattusas to the summit of Mount Etna. Show more

Documentary that tells the surprising story of how Britain entered a new age of steam railways after the Second World War and why it quickly came to an end. Show more

The story of some of the genetic scientists who dared to discover the secret of life - men and women obsessed by intellectual challenges but dogged by their human failings. Show more