AdvertisementHow 'Forbidden' Black Rice Flourished For MillenniaOctober 05, 2015Jeremy CherfasfacebookEmailModern, domesticated rice comes in a range of colors, usually described as white, red and black. But collectors have never found black grains in more than a thousand samples of wild rice stored in gene banks. Now geneticists have traced this rare grain's origin and spread. (Courtesy of Takeshi Ebitani/Takuya Yamaguchi.)