News of the first gene-edited babies ignited a firestorm

Chinese researchers used CRISPR/Cas9 to alter a gene to block HIV infection

Jiankui He

DATA DELIVERY  On November 28, researcher Jiankui He gave scientists a first glimpse of data from the creation of two gene-edited babies. Many in the scientific community have decried the work.

S.C. Leung/SOPA Images/LightRocket/Getty Images

A Chinese scientist surprised the world in late November by claiming he had created the first gene-edited babies, who at the time of the announcement were a few weeks old.