“2019 is the year when the training wheels come off and the world gets to see what CRISPR can really do for the world in the most positive sense,” says Fyodor Urnov, a gene-editing scientist at the Altius Institute for Biomedical Sciences in Seattle and the University of California, Berkeley

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Immigrants’ gut bacteria “westernize” soon after they move to the U.S., which might influence obesity in immigrants and Americans alike

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Last winter, unforgettable video footage online showed a starving polar bear, struggling in its Arctic hunting grounds. Because of global warming, the ice was thin and the food supply was scarce. The video generated a wellspring of sympathy for the plight of this poor creature

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The debates prove it. When the topic of health was broached, which was rare, the focus was mostly on health care — access to doctors, hospitals, and medicines to treat people when they’re sick. There was very little discussion of public health

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