Topic: Carnegie Museum of Natural History

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  • In Pictures The T. rex lives

    Five-year-old Lenny Popova, of Arlington, Va. inspects the teeth of a Tyrannosaurus rex at the National Zoo, in October 2000. The Tyrannosaurus, meaning 'tyrant lizard' lived in Western North America during the last part of the Cretaceous Period, about 68 to 65 million years ago.

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