Has anyone read that paper? Sound interesting but, before I order it, is it really worth paying 15 $ to get printing access?
HUMAN EVOLUTION:
Early Start for Human Art? Ochre May Revise Timeline
Michael Balter
Science 30 January 2009:
Vol. 323. no. 5914, p. 569
Thirteen engraved ochre pieces from Africa, many dated to 100,000 years ago, may represent an artistic or symbolic tradition, researchers suggest. If so, the timeline for the earliest known symbolic behavior must once again be redrawn.
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Paul