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- Search Terms:ISSN: 00280836AndISSN: 14764687AndVolume Number: 449AndIssue Number: 7164AndStart Page: 905AndDate: 2007 Revise Search
- 1From: Nature. (Vol. 449, Issue 7164) Peer-ReviewedGenetic and anatomical evidence suggests that Homo sapiens arose in Africa between 200 and 100 thousand years (kyr) ago (1,2), and recent evidence indicates symbolic behaviour may have appeared ~135-75 kyr ago (3,4)....