Ferroic Symmetry Jigsaw (IMAGE) Institute of Physics, Chinese Academy of Sciences Caption The general known ferroic orders: ferrotoroidicity (upper left); ferroelectricity(upper right); ferroelasticity (lower right); ferromagnetic(lower left) Credit Changqing JIN, Xiancheng Wang & Jun Zhang Usage Restrictions News organizations or journalists may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. License Original content 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.