News of the first gene-edited babies ignited a firestorm
Chinese researchers used CRISPR/Cas9 to alter a gene to block HIV infection

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
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