An experimental replica of shell beads with Natufian red organic colorant made from the roots of Rubiaceae plants. (Laurent Davin/Creative Commons via Courthouse News) (CN) — The Natufians, the first ...
Experimental replica of shell beads with Natufian red organic colorant made of roots of Rubiaceae plant. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted ...
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