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Scientists in China have created a new kind of monkey. It’s got a human brain gene. And that just might make its intelligence a little bit more like ours.

That, in turn, makes its fate — and its very existence — very ethically fraught.

In a study published last month in Beijing’s National Science Review journal, researchers took human copies of the MCPH1 gene, which is believed to play an important role in our brain development, and introduced it into monkey embryos by means of a virus that carried the gene.

Continue reading ‘Scientists added human brain genes to monkeys.’

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