Melanoma, a cancer of the skin's melanocytes, or pigment cells, hits 60, 000 Americans each year and kills 8, 000 of them.

FORBES: Targeting Melanoma

Albinism is a genetic condition that leads to little or no pigment in the eyes, skin and hair.

CNN: STORY HIGHLIGHTS

Although he cannot definitely rule out a direct effect by the pollution on the birds' metabolism of the yellow pigment, or its incorporation into their feathers, the correlation between a shortage of caterpillars and faded plumage is strong evidence of a link between pollution, diet and bird colour.

ECONOMIST: Great tits

If the tournament pairings were posted in a bracket form, Murray said, they probably would have been painted with pigment on scrolls, placards or walls and wouldn't have survived.

WSJ: NCAA Tournament: Where Was the Bracket Born?

Though the labeling does not explain how the works are made, some reliefs appear to be molded, others incised, then painted by applying pigment directly onto the clay or on a base coat of lime or other material.

WSJ: Theater, Life, and the Afterlife | China Institute | A Dynasty Without the Hereafter? | By Lee Lawrence

One maalem (or master craftsman), in particular, opened many doors for the decorator: Ma'alem Houman, who was skilled in the brickwork and tadelakt (a glazed plaster mixed with pigment and soap) that Willis brought out of the hammam (or bathhouse) and into Moorish interiors.

WSJ: A Magician from Memphis

This causes chlorophyll (a green pigment) to return to the orange skins imbuing them with a greenish or yellowish finish as they ripen.

FORBES: Jelly Beans: Which Color Is Most Popular At Easter? Why We Love Colored Foods

The white of his expansive tabletops in paintings like "The Table" and "The White Table Cloth" resembles an emission of light rather than a pigment, so the haphazardly strewn plates and baskets appear to be floating or suspended in space.

FORBES: Art Review

White can be the paper on which he paints or any number of delicate washes in which we almost feel the painter making certain that the barest amount of pigment will mix with water on his brush.

WSJ: Fluid, Evanescent Images | John Singer Sargent Watercolors | Brooklyn Museum | By Tom L. Freudenheim