“Consonants are the letters in the alphabet that are not vowels,” one student read aloud. “The vowels are A, E, I, O and U. Consonants are all the other letters.” ...

Why are there more consonants than vowels in alphabetic languages? Bob Ladd Edinburgh, UK The answer partly depends on whether we are talking about the sounds or letters of vowels and consonants ...

A comparison of consonant-like sounds in great apes suggests an arboreal lifestyle may have been a step towards complex speech in our ancestors By Richard Kemeny 20 December 2022 ...