He's worked for the United Nations on humanitarian issues in Cambodia and served on America's National Security Council under President Bill Clinton. The theme draws together discrete strands of Mr Metz's diverse background. It is a thoughtful romp through new genetic technologies, with insights on what it means for individuals, society and even great-power politics. In the words of Jamie Metzl, we are "Hacking Darwin," the title of his latest book. What is certain is that people will be able to make decisions about their lives in ways that were impossible in the past, when we relied more on random evolution than deliberation. But it may also give rise to "superhumans" who are optimised for certain characteristics (like intelligence or looks) and exacerbate inequalities in society. Society might overcome diseases by tweaking individual genomes or selecting specific embryos to avoid health problems. NEW GENETIC technologies are exhilarating and terrifying.
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