Developing leaf (IMAGE) Stanford University Caption An image of a developing leaf from an Arabidopsis plant that has been modified to express fluorescent proteins marking the cell boundaries (black) and a polarity protein (magenta). This technology allowed the authors to study protein dynamics within the stem cells of living plants. Credit Andrew Muroyama Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.