An exploration group from the College of Hong Kong (HKU) led by Teacher Xiang David Li from the Branch of Science has, in a joint effort with Dr. Yuanliang Zhai from the HKU School of Natural Sciences and Dr. Jason Wing Hon Wong and Dr. Xiucong Bao from the HKU School of Biomedical Sciences, made a critical leap in understanding how hereditary data encoded in our DNA is perused and why blunders in perusing such data can frequently prompt formative imperfections or diseases. The discoveries were recently published in Science. Each kind of cell in the human body (with certain