The Ammortal Chamber, for example—retail price $159,500—is a wonder of modern engineering, resembling a prop from the Alien movie franchise. The second great virtue of the biohacking movement follows directly: Its members understand and celebrate the fact that biological improvements must begin with the soul. Which brings us to the third and most crucial reason to feel grateful for the biohacking enterprise: It puts the focus squarely where it belongs, on the human body. Biohacking, though not a conservative movement in any political sense, rejects this fevered notion of gnostic self-creation. They’re monitoring oxygen levels and wearing special shades blocking out blue light, but they’re also thinking seriously about what makes life worth living, and the answers they stumble upon are often the time-honored and correct ones.