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 d...

How did dinosaurs climb to global prominence? Was it their armor? Their spikes and large teeth? In this informative talk Emma Schachner, evolutionary biologist and paleontologist, argues that it was actually the dinosaurs’ lungs that helped them survive, thrive and dominate the planet.