The iris, the ring of color that circles the pupil, determines eye color. It’s packed with melanin, a brown pigment that absorbs light. • Brown eyes hold a high concentration of melanin, giving them ...
In a new study, biology and psychology researchers show how existing color vocabularies constrain future options for efficient color vocabularies. Suppose two speakers of the same language are playing ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results