An Experimental Set of Mesocosms (IMAGE) Sechenov University Caption An experimental set of mesocosms that helped understand the role of earthworms in the process of rice straw decomposition. Credit Courtesy of Andrey Zaitsev Usage Restrictions Courtesy of Andrey Zaitsev 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.