|Linguists seek the 'mother of all languages'|
|Posted by: Digg on Jul 23rd, 2007 3:05 AM|
|A controversial research project is trying to trace all human language to a common root. Many scientists think that fully modern human language enabled a "great leap forward" 50,000 years ago. And because scientists surmise that language arose only once, they believe that before leaving Africa to colonize the world, all humankind spoke as one.
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