Scientists precisely edit human embryo genes, in a first
Bioethicists have long been alarmed by the possibility of engineering human traits.
From The Times
June 5, 2026

Scientists have edited the DNA of early human embryos with unprecedented accuracy, an achievement that could open the way to babies engineered with particular characteristics.

A colorized light micrograph of a one-cell human embryo just after fertilization.

Claude Cortier/Science Source

This prospect has long alarmed bioethicists. →

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