Evolutionary biologist Ben Garrod Ben shows what bone is constructed from and how it can support animals that are both tiny (a frog) and massive (the blue whale). Show more

Ben Garrod discovers how the skeleton has adapted for vertebrates to move on land in many ways and explores the role of the spine in both cheetahs and snakes. Show more

Ben Garrod finds out how the skeleton has allowed vertebrates to take to the air, why the pigeon is an exceptional flier and how the albatross makes huge migrations. Show more

Ben Garrod seeks out the big part that bones can play in reproduction. Through sexual selection, the skeleton has adapted to aid courtship, competition and even copulation. Show more

Ben Garrod uncovers the secrets of how vertebrates capture and devour their food using extreme jaws, bizarre teeth and specialised bony tools. Show more

Ben Garrod delves into the surprising ways in which bone has evolved to help vertebrates sense the world around them, from wolves and sheep to the great grey owl. Show more

Lively and diverse conversation as Libby Purves meets primatologist Ben Garrod, Australian Aboriginal actor Jack Charles, musician Clare Salaman and photographer Colin Jones. Show more

At a chimpanzee orphanage in Liberia, the team reach breaking point caring for 38 rescued baby chimps, and the orphans have their first taste of life in the forest. Show more

How do you cope when you suddenly become surrogate parents to 21 orphaned chimps? Jim and Jenny Desmond have chimps overrunning their home and even their bed. Show more

At a chimpanzee orphanage in Liberia, a deadly cold breaks out among the babies, and the arrival of an eight-week-old infant and an adult male chimp brings new challenges. Show more

Extraordinary stories, unusual people and a sideways look at the world. Una Stubbs discusses her love of painting and her role playing Sherlock's landlady. Show more

Professor Ben Garrod explores how some snakes can see using heat, how crocodiles feel through their jaws, and how some animals use electricity to navigate their world. Show more

What is the most toxic animal on earth? Why is a rhino armour plated? Professor Ben Garrod discovers the complex ways in which skin helps defend animals against threats of all kinds. Show more

Professor Ben Garrod explores how versatile the basic skin structure truly is, revealing how slight adaptations have created birds' feathers and a rhinoceros’s horn. Show more

What makes sharks built for speed? How do snakes move without limbs? How do sugar gliders fly without feathers? The answers all lie in their skin. Show more

Professor Ben Garrod reveals how skin protects vertebrates from extremes of temperature, the harmful effect of UV and a host of living organisms that want to get in. Show more

Professor Ben Garrod explores how skin has evolved remarkable ways to enable animals to communicate with each other, from vibrant displays of colour to skin pouches to amplify sound. Show more

Kermit and Miss Piggy join Matt and Alex to talk about their new film Muppets Most Wanted. Plus, the meaning behind a Holbein painting and Basil Brush reports on fox hunting. Show more

Ben Garrod and Alice Roberts investigate the greatest vanishing act in the history of our planet - the sudden disappearance of the dinosaurs 66 million years ago. Show more

Sir David Attenborough tells the story of the discovery in Argentina of the largest animal to ever walk the earth, a new species of the plant-eating titanosaur. Show more