Worm (IMAGE) University of Vienna Caption The division of the R. hypermnestra symbiont leaves the dazzled scientists at a loss to know which kind of evolutionary advantage this quirky division might bring. Scale bar: 5 micrometer. Credit Copyright: Nikolaus Leisch, <i>Nature Microbiology</i> Usage Restrictions The image may only be used with appropriate caption or credit. 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.