Trypanosomes Swimming in Clusters (IMAGE) University of Würzburg Caption Individual images from high-speed videos of trypanosome clusters inside the fly gut. Left: transmitted-light images; centre: the corresponding fluorescence images of the cell nuclei. They were tracked using the Imaris software to quantify the swimming behaviour (right). Credit (Picture: Chair of Zoology I / <i>eLife</i>) Usage Restrictions None 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.