Michael Mosley takes an in-depth look at blood. He carries out six experiments on his own blood, from starving it of oxygen to injecting it with snake venom and even eating it. Show more
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Author and naturalist Helen Macdonald embarks on a clockwise loop around the M25 to discover if there is a wild side to Britain's busiest road. Show more
Dr James Logan and Brendan Dunphy carry out a complete insect dissection, using cutting-edge imaging technology to show the beauty and precision of the natural engineering inside. Show more
Prof Sophie Scott uses hissing cockroaches, chirping crickets and rumbling elephants to explore how humans and animals have evolved to use sound to send messages. Show more
Professor Sophie Scott explores the world of silent communication, investigating why smells and body language can say so much. Show more
Professor Sophie Scott investigates what language is and whether humans are really the only species to use it. Show more
Author Helen Macdonald follows Britain’s greatest river over four seasons, encountering salmon, beavers and the microscopic creatures helping to answer science's biggest questions. Show more
Yellowstone
Episode 3: Autumn
1 hour
First broadcast: on BBC Two Northern Ireland (Analogue)Latest broadcast: on BBC Two Northern Ireland HD
Series following wildlife in Yellowstone. Winter approaches, and the animals have two months to get ready. As the snow and ice return, many move away from the national park. Show more