Patrick McGrath and Wen Xu (IMAGE) Georgia Institute of Technology Caption Researchers Patrick McGrath and Wen Xu at a station used to inject a C. elegans lab strain with CRISPR Cas9 DNA to confirm the effects of a tiny mutation that triggered an overhaul of survival behaviors. Credit Fitrah Hamid / 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.