More Memories (IMAGE) Rockefeller University Caption The team, including first author Robert Heler (above), identified a mutation that can prompt the bacterial immune system to more readily acquire and store genetic snippets from attacking viruses. Credit Zach Veilleux/The Rockefeller University Usage Restrictions Image may be used only to illustrate the research described in the accompanying release. 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.