Precision-Grip Thumbs and an A 'New' Archosaur
We do: and apparently have had a firm grip on tools for over two million years.
Scientists had a pretty good idea about how the common ancestor of dinosaurs, crocodiles and alligators, and birds, developed. A quarter-billion-year-old fossil shows that the situation is more complicated than scientists thought....
More at A Catholic Citizen in America.
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