Polystyrene Beads in Crop Plants (IMAGE) Chinese Academy of Sciences Headquarters Caption Left: 0.2 μm polystyrene beads in lettuce root (a-b) and leaf (c); right: 2.0 μm polystyrene beads in wheat seedling root (a-d), stem (e-f) and leaf (g-h) Credit YIC 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.