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Tyrannosaurs Were Human-Size for 80 Million Years


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

Michelle
- 2132 days ago - news.nationalgeographic.com
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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Comments

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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