Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of ...
New Scientist on MSN
T. rex took 40 years to become fully grown
An analysis of growth rings in the leg bones of 17 Tyrannosaurus rex individuals reveals that the dinosaurs matured much more ...
6don MSN
Fossil analysis changes what paleontologists know about how long T. rex took to grow full size
Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.
For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...
By Will Dunham WASHINGTON, Jan 15 (Reuters) - There is no question that Tyrannosaurus rex got big. In fact, this fearsome ...
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