Researchers say it’s time to finally discard a decades-old theory about the origins of human language – and revise the date when human ancestors likely were able to make certain speech noises.

The wahoos, yaks and barks of baboons contain evidence of five vowel-like sounds – a sign that the physical capacity for speech may have evolved much earlier than scientists thought.

How many vowels does English have? Five, right? A, E, I, O, U. Oh, and sometimes Y. So, six? Actually, English has at least 14 different vowel sounds and, depending on the speaker and dialect ...

The aural evaluation of vowel sounds is a basic problem in both experimental and applied phonetics. This paper deals with the judgment of phonetic equivalence in the elementary case of sustained ...

IF you will permit me to refer at this late date to Prof. Scripture's articles in NATURE of January 13 and 20 last on the nature of vowel sounds, I should like to emphasise the great service that ...

New research reveals that dolphins can mimic human vowel sounds, indicating their potential for interspecies communication The study highlights a dolphin named Zeus and the marine mammal's ...