Scientists rethink human evolution

(ORDO NEWS) — A group of Japanese scientists from the University of Otago have discovered unusual marks on the teeth of wild Japanese macaques, which forced them to rethink the path of human evolution.

The results of the study were published in the American Journal of Biological Anthropology.

Anthropologists have analyzed macaque teeth and found uniform scratches and grooves on them, previously found only in the ancestors of modern humans, in which they were formed as a result of the use of some stone tools placed between the teeth.

“This study raises questions about existing theories of culture that accompanies human development, and also stimulates a rethinking of the early evidence of cultural practices,” said one of the authors of the work, Dr. Ian Tole.

He added that the results show how scientists interpret cultural changes in the course of human evolution.


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