February 22, 2013
Barney the Dinosaur, left, in Chicago and a Tyrannosaurus Rex model is seen outside the Museum of Science in Boston. Did T. rex stand upright, with its tail on the ground? No. But a lot of young people seem to think so, a study suggests.
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Here’s a test of your dinosaur knowledge: Did Tyrannosaurus rex stand upright, with its tail on the ground?
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