Swimming path (IMAGE) Max-Planck-Gesellschaft Caption Computer-assisted analysis of light microscopy data showing the linear swimming path of a normal sperm (top) and the abnormal circular and diagonal swimming paths of the mutant sperms (middle and bottom) that lack tubulin glycylation. Credit Gadadhar et al. / Science 2021 Usage Restrictions Only related to the press release 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.