Paleontologists have often determined how old a dinosaur was by counting the growth rings in its bones. Just like with trees, ...
Do the bones of all Nile crocodiles have the same number of growth marks as their age? And can such growth rings be counted ...
A research team led by Dr. Márton Rabi from the Biogeology Department of the University of Tübingen, together with Máté ...
Until now, estimating how old a dinosaur was when it died has been a fairly simple process — just count up the growth rings in its fossilized bones. "We always thought that those rings were formed ...
Add Yahoo as a preferred source to see more of our stories on Google. A rare fossil of Joaquinraptor casali from Patagonia reveals a powerful predator that may have dined on crocodiles. (CREDIT: The ...
Paleontologists in Argentina have discovered a new predatory dinosaur -- the fossils of which contained a crocodile bone within the dinosaur's mouth. The new species, dubbed Joaquinraptor casali, is ...
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