Black Rice (image) American Chemical Society Caption Black rice, a heritage variety of the grain that feeds one-third of Earth's population, is an inexpensive source of healthful antioxidants. Credit Anna Frodesiak Usage Restrictions Original work: http://en.wikipedia.org/wiki/File:Black_rice_01.JPG. Author copyright restrictions: "I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide." In case this is not legally possible: "I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law." Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.