Figure 1 (IMAGE) Nagoya University Caption Oxygen radicals (white circles) generated in Low-Temperature Plasma (purple) remove bacteria (blue) from hydroponically grown crops. Credit Reiko Matsushita Usage Restrictions Credit must be given where image is used License Original 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.