Articles on Editing human embryos

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The team used CRISPR on human embryos in a bid to render them resistant to HIV infection. But instead, they generated different mutations, about which we know nothing. SHUTTERSTOCK

China’s failed gene‑edited baby experiment proves we’re not ready for human embryo modification

A number of things may have gone wrong when researchers edited Chinese twins Lulu and Nana’s genome. Either way, the failed experiment is a cautionary tale for us all.

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