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Dim-witted dope or brainy brawn? The debate over T. Rex's smarts continues, with a recent paper leaning toward the original theory that these fearsome giants weren't all that bright. "The possibility ...

SUE’s skeleton now reflects the latest in Tyrannosaurus rex science, with the addition of rib-like gastralia bones and other updates. Watch the can’t-miss light show that points out key details on SUE ...