Nizar Ibrahim: How we unearthed the spinosaurus

A 50-foot-long carnivore who hunted its prey in rivers 97 million years ago, the spinosaurus is a “dragon from deep time.“ Paleontologist Nizar Ibrahim and his crew found new fossils, hidden in cliffs of the Moroccan Sahara desert, that are helping us learn more about the first swimming dinosaur — who might also be the largest carnivorous dinosaur of all. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk