Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Scientists have ...

Add Yahoo as a preferred source to see more of our stories on Google. STORY: ::Project CETI This is what it sounds like when sperm whales communicate. Those bursts of clicking noises are called codas.

In a Lingua Franca post a few weeks ago, I needed to use the International Phonetic Alphabet (IPA) to represent the different pronunciations of the English word People still talk about speech sounds ...

Every writing system represents speech a little differently, and no system is completely faithful to how words are actually pronounced. For over a century, the International Phonetic Alphabet has ...