Stephen Brusatte analyses the pace of evolutionary change and uses it to understand the big transitions in evolutionary history. The movie Jurassic Park cemented Steve's intense in dinosaurs as a child and he remains deeply curious about T-rex, triceratops and all the other dinosaur species that dominated the planet for a hundred million years. Here he talks to Jim Al-Khalili about his life and work using data to answer the big questions in evolution, and the recent discovery of a well-preserved giant pterosaur on the Isle of Skye
