Morgan said: “The ability to quickly share technology manufacturing tools allow early human benefit.” Such as the ability to more efficiently slaughtered animals. After Darwin’s theory of natural selection would play a role, and gradually improve the original language skills and, ultimately, the evolution of the original native said today mature adult class semantic complete language.
St. Lucia, Australia, Queensland University psychologist Thomas Suddendorf said:. “This is really an perfect paper” because it is “a good proof of the spread function of teaching and symbols in the context of human evolution is crucial . ”
Emory University in Atlanta, the archaeologist Dietrich Stout said: “The biggest feature of this paper is to test the method it uses, otherwise scientists basically conduct such studies by intuition or common sense.”
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