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Tyrannosaurs Were Human-Size for 80 Million Years

Science & Tech  (tags: archaeology, dinosaurs, discovery, science, interesting )

- 2229 days ago -
Tyrannosaurus rex may have towered over its Cretaceous competition, but for their first 80 million years, most tyrannosaur species were small-timers--no bigger than humans, researchers say.

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P A. (117)
Monday September 20, 2010, 8:45 am
Fascinating - I love dinosaurs!

Lynn Marie M. (22)
Monday September 20, 2010, 9:02 am
Super interesting!

Tiffany Lambiase (2)
Tuesday September 21, 2010, 12:48 am
i love learning about DINO's

Cindy C. (125)
Tuesday September 21, 2010, 1:15 pm
wow so cool
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