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

Michael Portillo heads along the Essex bank of the Thames before crossing the river into the Garden of England, Kent. He begins this leg at Barkingside. Show more

Series exploring four iconic gardens looks at Stowe, which launched the career of Capability Brown and fostered a rebellion that overthrew the first British prime minister. Show more

Looking at the Taino people of the Caribbean, who had a multicultural society with drug-infused rituals, strange skulls and amazing navigation. Show more

Documentary which provides a vivid glimpse into a vanishing way of life in a village in Bhutan, as new technology extends its tentacles even into these remote regions. Show more

Professor Richard Fortey looks at how some species survived the ice age which began 2.8 million years ago, triggered by changes in the Earth's orbit around the sun. Show more

Chris Packham explores what makes animal groups successful. How hairs keep elephants cool, how feet sensors guide them towards rain and how their mouths store water. Show more

Documentary revealing the inner alchemy that gives four hunters - falcon, shark, cheetah and crocodile - the edge, from the moment they detect their prey through to the vital kill. Show more

Series exploring four iconic gardens looks at Stowe, which launched the career of Capability Brown and fostered a rebellion that overthrew the first British prime minister. Show more

Looking at the Taino people of the Caribbean, who had a multicultural society with drug-infused rituals, strange skulls and amazing navigation. Show more