panda
Tyrannosaurus Sue
Tyrannosaurus rex
Popular science
Paleontology
Dinosaurs
20th century
Science/Mathematics
Science
History
"Over 65 million years ago in what is now Cheyenne River Sioux territory in South Dakota, a battle-scarred Tyrannosaurus rex matriarch - perhaps mortally wounded in a ferocious fight - fell into the riverbed and died. In 1990 her skeleton was found, virtually complete, in what many call the most spe…
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