Corrections & clarifications: An earlier version of this story contained inaccurate or incomplete facts about the history of language. Language is an essential part of human communication, allowing ...

For more than 150 years ago, the assumption that language is a singular event has hampered progress in explaining its evolution. Another obstacle was the failure to recognize that certain social ...

For more than 150 years ago, the assumption that language is a singular event has hampered progress in explaining its evolution. Another obstacle was the failure to recognize that certain social ...