Body Builders

A Fareed Zakaria GPS Book of the Week: “An exhilarating look at the cutting edge of bioengineering. . . . a mind-bending read.” —Kirkus Reviews (starred review)

For millennia, humans have tried—and often failed—to master nature and transcend our limits. But this has started to change. The new scientific frontier is the human body: The greatest engineers of our generation have turned their sights in...