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| | RickyDawkins's Participation » Propeller |
 | | Then, about 80,000 years ago, the species acquired an edge: modern behaviour in the form of advanced tool use, and probably social interaction and language. |
 | | With its modern anatomy and behaviour, Homo sapiens spread across the globe and supplanted the other hominids around at the time. |
 | | "To simplify, you have Tibeto-Burman languages to the north and east, and Indo-European-type languages to the south and west," says Dr Tyler-Smith. |
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