CRISPR Hairpin Art (IMAGE) Duke University Caption An artist's representation of the CRISPR/Cas9 genetic sequence with the "hairpin" lock added to the left side of the system, which increases its precision by an average of 50-fold. Credit Ella Maru 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.