Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of ...
For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...
Dr Holly Ballard and her team at Oklahoma State University studied leg bones from 17 different T.rex fossils to get a better ...
A study suggests that the Tyrannosaurus Rex reached its massive size over 40 years, contradicting earlier estimates of a ...
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 ...
The findings suggest T. rex spent much of its life as a juvenile or subadult, growing quickly in some years and barely at all ...
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