Tutankhamun’s sarcophagus, Van Gogh’s poppies, and Britain’s red coat uniforms share something: they all derived their red color from the roots of the rubiaceae plant. A new addition to that list are ...
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 ...
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