View full lesson: http://ed.ted.com/lessons/how-languages-evolve-alex-gendler Over the course of human history, thousands of languages have developed from what was once a much smaller number....
========== In the biblical story
of the Tower of Babel, all of humanity once spoke
a single language until they suddenly split
into many groups unable to understand each other. We don't really know if
such an original language ever existed, but we do know that the thousands
of languages existing today can be traced back
to a much smaller number. So how did we end up with so many? In the early days of human migration, the world was much less populated. Groups of people that shared
a single language and culture often split into smaller tribes, going separate ways in search
of fresh game and fertile land. As they migrated and
settled in new places, they became isolated from one another and developed in different ways. Centuries of living
in different ...