Carl-Philipp Heisenberg at ISTA (IMAGE) Institute of Science and Technology Austria Caption Carl-Philipp Heisenberg at the Institute of Science and Technology Austria (ISTA). The cell biologist’s research group at ISTA studies sea squirts and zebrafish and tries to understand how unstructured clusters of cells transform into elaborate shapes during their development. Credit © Nadine Poncioni/ISTA Usage Restrictions Free to use when reporting about ISTA 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.