5/7/2013

Researchers say words such as "mother," "fire" and "hand" could have been part of a common human language at least 15,000 years ago. Study co-author and evolutionary biologist Mark Pagel of the University of Reading in the U.K. came up with his list after studying how often sounds change in languages and how they are related. Some linguists have dismissed the idea of a common language, but common words have been traced back nearly 10,000 years so far.

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