Scientists at Chicago’s Field Museum discover a new dinosaur

Scientists at Chicago’s Field Museum discover a new dinosaur
Scientists at Chicago’s Field Museum discover a new dinosaur

Scientists at Chicago’s Field Museum discover a new dinosaur

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Say it ain’t so, Sue! Researchers from the Field Museum have discovered a huge predator that roamed North America before the T. Rex. We talk to Dr. Peter Mackovicky about his impressive find. (Photo: flickr/allisonmeier)