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Scientist Claiming Gene-edited Babies Reports 2nd Pregnancy

A Chinese researcher who claims to have helped make the world’s first genetically edited babies says a second pregnancy may be underway. The researcher, He Jiankui of Shenzhen, revealed the pregnancy Wednesday while making his first public comments about his controversial work at an international conference in Hong Kong. He claims to have altered the DNA of twin girls born earlier this month to try to make them resistant to infection with the AIDS virus. Mainstream scientists have...

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