Vowel sounds made by baboons show that the roots of human speech may go back 25 million years

Wednesday, January 11, 2017 - 22:51 in Psychology & Sociology

Listen closely to those baboon calls — they may tell you a thing or two about human speech. Scientists who studied baboons’ wahoos, yaks, barks and other vocalizations have found evidence of five vowel-like sounds – a sign that the physical capacity for speech may have evolved over much longer...

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