https://learningenglish.voanews.com/a/study-evolutionary-changes-in-voice-box-may-have-led-to-human-speech/6698580.html
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8/14/22 at 10:02pm
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VOA News
Author
VOA Learning English
Researchers say changes in the voice box of nonhuman primates over time may have led humans to develop the ability to speak.
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