15,000-year-old red-shell beads earliest example of organic red pigment

15,000-year-old red-shell beads earliest example of organic red pigment

Decorating the living space, body, and clothes with color has been practiced for thousands of years. While the habitual use of red mineral pigments like iron-oxide (ochre) by anatomically modern humans is believed to have started in Africa about 140,000 years ago, the earliest documentation of the use of organic plant or animal-based red […]