Do you remember President-elect Trump holding forth on the campaign trail about "China beating us at our own game"? Well, it's true, as long as the game in question is editing human DNA using Crispr/Cas9. China is now using Crispr-edited cells in living, breathing human beings. Last month, Chinese scientists at Sichuan University injected cancer-fighting, Crispr-modified white bloodcells into a patient suffering from metastatic lung cancer.

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