Tabitha M. Powledge writes about an update on Siddhartha Mukherjee’s epigenetics story, some evidence that a common ancestor of all life on earth lived in geothermal vents, gene doping at the Olympics, and a new Pew study on views about gene editing that yielded surprising news: "A speculation: there is less fear about genetic enhancements because they have been discussed publicly for decades. Brain chips and synthetic blood are much newer ideas. They also don’t exist."
July 30, 2016
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