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 ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE - In this Wednesday, Sept. 29, 2015 file photo, Sahara, a rare red-haired female Hamadryas Baboon holds 3 weeks old ...

Human speech might have a long history of at least 25 million years. This perception has dawned after the analysis of a slew of baboon calls that hold clues to the evolution of human speech and extend ...

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Baboons can produce some of the precursors to human speech, according to a study published January 11 in PLOS ONE. These findings suggest human-like language, complete with vowel sounds, may have ...

An acoustical analysis of the grunts, barks, wahoos, copulation calls, and yaks from baboons shows that, like people who use several vowels during speech, these nonhuman primates make five distinct ...

PARIS — Baboon grunts and mating calls might hold secrets about human speech, according to a new study suggesting that the origins of human language could reach back as much as 25 million years. The ...