View full lesson: http://ed.ted.com/lessons/the-ferocious-predatory-dinosaurs-of-cretaceous-sahara-nizar-ibrahim
In Cretaceous times (around 100 million years ago), North Africa was home to a huge river system and a bizarre menagerie of giant prehistoric predators — including the Spinosaurus, a dinosaur even more fearsome than the Tyrannosaurus rex. Nizar Ibrahim uses paleontological and geological data to reconstruct this “River of Giants” in surprising detail.
Lesson by Nizar Ibrahim, animation by Silvia Prietov.
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