Nizar Ibrahim: How we unearthed the spinosaurus
added 11 years ago from ted.com to Technology
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 l...