Modeling a Gene Regulatory Network (IMAGE) California Institute of Technology Caption Caltech researchers built the first-ever computational model of the gene regulatory network controlling sea-urchin embryonic development. A small part of the network is shown here. Credit Caltech/Davidson Lab 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.