David Liu, Harvard University (image) Harvard University Share Print E-Mail Caption Liu used his base editing technology to correct a recessive genetic mutation that can cause complete hearing loss in humans. Credit Harvard University Usage Restrictions With credit. Share Print E-Mail 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.