(IMAGE) Nara Institute of Science and Technology Caption (a) The variation of shape in E. gracilis is correlated to biological clock, photosynthesis, cell metabolism, cell cycle, and environmental factors. (b) The principle of the proposed method. A wave formed when a micro object passing through a tiny channel with electrodes. The wave obtains tilt which is correlated to the shape of micro objects. Credit Yaxiaer Yalikun Usage Restrictions Credit required 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.