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

Michael Portillo sets sail from Heysham to the Isle of Man, where he discovers the horse trams of Douglas and the secrets of the giant Laxey Wheel. Show more

Kate Humble and Dr Helen Czerski follow the Earth's voyage around the sun for one complete orbit, this time travelling from January to the March equinox. Show more

Suzannah Lipscomb looks at the killer products that surrounded the Victorians, as the domestic horrors of home life in the 19th century and the terrible consequences are laid bare. Show more

Acclaimed adaptation of John le Carre's novel. Smiley thinks that the time has come to call on Jim Prideaux, whose assignment to Czechoslovakia went wrong. Show more

Simon Sebag Montefiore looks at Istanbul's Greek roots, its transformation into the capital of a Christian empire and reveals how clashes forced eastern and western churches apart. Show more

Tom Holland explores how our ancestors sought to explain the remains of dinosaurs and other giant prehistoric creatures, and how bones and fossils have affected human culture. Show more

Kate Humble and Dr Helen Czerski follow the Earth's voyage around the sun for one complete orbit, this time travelling from January to the March equinox. Show more

How new technologies and production methods changed the face of agriculture and country life adapted to the new economic and moral realities of 1960s Britain. Show more

Michael Portillo sets sail from Heysham to the Isle of Man, where he discovers the horse trams of Douglas and the secrets of the giant Laxey Wheel. Show more

Suzannah Lipscomb looks at the killer products that surrounded the Victorians, as the domestic horrors of home life in the 19th century and the terrible consequences are laid bare. Show more