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Contact: Julie Russ
jruss@asu.edu
480-727-6571
Arizona State University
Caption: These microlith blades show a flat edge with a rounded "cutting" edge.
Credit: Simen Oestmo
Usage Restrictions: This image may only be used by permission of the ASU Institute of Human Origins for the purposes of illustrating coverage of the accompanying article.
Related news release: Small lethal tools have big implications for early modern human complexity
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