FARGO - There's a rather annoying vocal trend that's been creeping - or creaking rather - into conversations. It's known as "vocal fry," "creaky voice," "Kardashian style," and in a more official ...

Kim Kardashian does it. So does Scarlett Johansson and Katy Perry. And it turns out many whales also use "vocal fry," the deep, gravelly vocal register these celebrities and a growing number of young ...

Scan of a porpoise head showing the phonic lips, which help produce echolocation clicks, and the round, fatty melon that conducts sound into the water Christian B. Christensen, Aarhus University Vocal ...