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All Hooting Aside: Did a Vocal Evolution Give Rise to Language?
The ubiquity of the vocal lips did not necessarily mean that they affected the sounds their possessors produced. So Dr. Nishimura’s group removed the larynges from three deceased chimpanzees and attached them to simulated lungs; they did the same with six rhesus macaques that had been euthanized for other approved experiments. In all the simulations,…
