Science Why do some couples use baby talk to communicate with each other? 6:06am December 09, 2021 Research News Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2021 NPR. To see more, visit https://www.npr.org. 300x250 Ad More Morning Edition National Judge orders Columbia student Mohsen Mahdawi to be released by Eric Westervelt Environment Meet the man who protects snowy owls that migrate to Boston's Logan Airport 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate