Interview with Dr. Phil Currie, the Canadian paleontologist who came up with the theory that carnivorous dinosaurs, like tyrannosaurs, lived in gangs. He is also the professor of the Coursera class, Dino 101, via the University of Alberta.

Also dinosaur of the day, Tarbosaurus, a carnivorous theropod and cousin to T-rex.

Visit http://www.IknowDino.com for more information including a link to dinosaur sites near you.

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