We talked with Harmony Ebbesen, a speech-language pathologist at Greenville Elementary School, about her work and life.

"So many people have noticed this change but didn’t quite know how to describe it until now," Vivian Peterson told Newsweek.

Bats can learn to mimic specific sounds, which puts them into an elite group of animals capable of this. Studying how bats can copy noises could help us learn more about humans’ unique capacity for ...