Dr Shen Yajing (IMAGE) City University of Hong Kong Caption Dr Shen Yajing, Associate Professor in CityU’s Department of Biomedical Engineering, holds another type of millirobot the team developed earlier. Credit City University of Hong Kong Usage Restrictions Image must be used with appropriate caption and credit. 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.