Researchers have built a platform that programs short DNA fragments inside living cells to control protein activity, all without editing or altering the cell’s genome. The system, published in Nature ...

Scientists used base editing to alter DNA in human embryos with unusual accuracy, raising hopes of fixing disease-causing mutations but also reviving fears over designer babies.

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When he was a doctoral student at the University of Copenhagen, Eske Willerslev was a nobody. At least, that’s how it seemed to the budding evolutionary geneticist, who was unable to lay his hands on ...