Starch granules (IMAGE) Aarhus University Caption Microscopies of four types of archaeological starch granules from different grinding stones from Frydenlund, magnified 400 times (the white bars represent 20 μm), each photographed in both plane-polarized (left) and cross-polarized light. The starch type shown in image a resembles starch from a grass subfamily of the Panicoideae type; the others are unidentified. Click to view the image in a larger format. Credit Cristina N. Patús, HUMANE, Barcelona. Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.