Kate Humble and a team of canine experts reveal the innermost secrets of man's best friend.
The team delves into the psychology of the human-dog relationship to discover how dogs evolved to read people better than any other creature on the planet, outperforming even the chimpanzee; a look at Britain's top 10 breeds.
Explore how a range of dog breeds differ in their senses and abilities.
aired 452 days ago
Experts investigate why this species comes in so many shapes and sizes.