Worm blobs (IMAGE) Georgia Institute of Technology Caption Large groups of California blackworms form "worm blobs" that create collective behaviors that improve the survival of individuals organisms. Credit Christopher Moore, Georgia Tech 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.