If a newborn child grows up hearing people speaking in many different languages, will it later be able to speak all those languages?
— Puneesh T., India
Children learn languages from the people around them. If they are exposed to multiple languages, they may grow up bilingual or multilingual. These kinds of environments are not unusual; the consensus among linguists is that a majority of children in the world grow up hearing multiple languages.
So, what if a child were raised in an…