Fission Captured (IMAGE) University of California - San Diego Caption This is a flatworm captured in the process of fission (left) and analyzed with a color-coded map (right), with red signifying the strongest substrate stress locations. Credit UC San Diego Usage Restrictions Must be used in conjunction with PNAS study. License Licensed 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.