Vocal imitation is a key part of how humans learn to speak. New research shows that bats babble to learn and use baby talk to teach, just like people do.
Researchers say it’s time to finally discard a decades-old theory about the origins of human language – and revise the date when human ancestors likely were able to make certain speech noises.
Do chimpanzee talk to each other? Scientists follow and record chimpanzees in the wild to find out – and to fill in details about how human language might have evolved.
Spoken language evolves differently and faster than written language, and there are good reasons why this is the case.