New Study Is the Most Successful Attempt to Gene Edit Human Embryos So Far

In the quest for CRISPR supremacy, China just won another first. Last week, a team used CRISPR-Cas9 to correct a single mistaken DNA letter in over a dozen human embryos--and succeeded 16 out of 18 tries, a massive improvement over previous attempts. The high success rate is, in part, thanks to a relatively new CRISPR […]