Gianpiero Palermo, a professor of embryology at Weill Cornell Medicine, runs the lab where scientists are trying to use CRISPR to edit genes in human sperm.
Elias Williams for NPR
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NPR visited the only lab in the world known to be trying to use the powerful gene-editing tool CRISPR to modify the DNA in human sperm. If successful, it could be used to prevent genetic disorders.
U.S. forward Alex Morgan celebrates her hat trick with defender Tobin Heath (17) and other teammates during the second half of a Tournament of Nations soccer match against Japan in July 2018.
Colin E. Braley/AP
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The Sunrise Movement has organized protests like this one in July in Philadelphia to pressure the Democratic National Committee to hold a primary debate focused on climate change.
Jeff Brady/NPR
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Gianpiero Palermo, a professor of embryology at Weill Cornell Medicine, runs the lab where scientists are trying to use CRISPR to edit genes in human sperm.
Elias Williams for NPR
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