A and E: vermilion, I: white, O: orange and so forth," says UC Berkeley French Professor Liesl Yamaguchi, author of the new book "On the Colors of Vowels: Thinking Through Synesthesia." ...

Resources include the interactive Color Vowel Chart, a teacher's guide, and a webinar on how to teach with the Color Vowel Chart. A free list of hundreds of English tongue twisters and their ...