Tumbling E. coli (VIDEO) Cell Press This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption When bacteria tumbles near the surface, one of its flagella jiggles out of place. The bacteria tumbles, decelerating and re-orientating itself to leave the surface. Credit Laurence Lemelle Usage Restrictions Credit Required. License Licensed 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.