Cubical Feces (IMAGE) American Physical Society Caption Cubical feces in the wombat's intestine. Credit Photo by P. Yang and D. Hu/Georgia Tech Usage Restrictions Reporters are allowed to use the image with appropriate credit. 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.