WASHINGTON (AP) — A Massachusetts man has regained his voice after surgeons removed his cancerous larynx and, in a pioneering move, replaced it with a donated one. Transplants of the so-called voice ...
The evolution of the human larynx contributed to the stable voices we use to communicate. The morphological changes do not include the addition of structures but rather the loss of specific vocal ...
An ongoing debate among scientists, on why chimpanzees and other nonhuman primates cannot speak or sing like humans, has focused mainly on evolutionary changes in human brain development. Attention ...
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