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Orange, yellow and red pigments exert the most influence over skin, and orange seems to reign supreme.

The increased protein activates a molecular pathway that produces a light red pigment, researchers reported last month in two bioRxiv preprints.

They began testing to see if it could benefit melanocytes, the skin cells that produce melanin, the dark pigment in question.

The retina, a light-sensitive tissue at the back of the eye, consumes more oxygen than any other tissue in the body and relies on the retinal pigment epithelium cell layer to function properly.

Known for his unique, organic and graphic style of portraiture brought to life with his own hand-crafted coffee pigments, the New York-based painter is showing his most ambitious collection of work to date.