Dinosaur bones are like trees—every year is represented by a new ring, and paleontologists can count those concentric circles ...
For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...
Previous studies of T. rex growth rings concluded they grew until around the age of 25, and then stopped. This was more 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 ...
For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...
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