High up from the forest floor, birds flit from limb to limb and weave their homes from leafy foliage, seemingly safe from ...
For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones 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 ...
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