The secret weapon that let dinosaurs take over the planet

We’ve all heard the theories on why the dinosaurs died — but how did they come to dominate the earth for so long in the first place? (Hint: it has nothing to do with their size, speed, spikes or fantastic feathers.)

Travel back in time to 200 million years before their extinction with paleontologist Emma Schachner for a breath of fresh air on dinosaur history.