Plants that secrete colored nectars are part of an exclusive club. To date, only 70 plants in the world are on that list. The colors lure in pollinators, but more recently they sparked the interest of ...
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 ...
Red Dye 3 is a synthetic (human-made in a laboratory), petroleum-derived food colorant used to add a vibrant red color to a variety of products. In 1990, the U.S. Food and Drug Administration (FDA) ...
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