Image 1 (IMAGE) Nanyang Technological University Caption (Left to right) Research Fellow Dr Tomoki Naito and Associate Professor Yasunori Saheki, the first author and lead author of the study, respectively. Credit NTU Singapore Usage Restrictions No restrictions. License Public Domain 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.