Mesocosm (IMAGE) Duke University Caption This mesocosm used by the Center for the Environmental Implications of Nanotechnology is basically a small, self-contained ecosystem with embedded sensors that is used to study how nanoparticles interact with all aspects of a natural system. Credit Duke University Usage Restrictions None 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.