Bacteria (IMAGE) Rice University Caption There is mounting scientific evidence that cancer cells lead intricate social lives and that their social behavior often resembles the behavior of social bacteria. For example, this colony of bacteria contains pioneer cells that pave the way for colony expansion in the same way that specialized cancer cells prepare for metastasis. Credit Eshel Ben-Jacob/Tel Aviv University Usage Restrictions Must 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.