EXCERPT: The “aha” moment that many scientists have, the realization that the revolutionary CRISPR gene-editing tool can be used, not just to repair biological flaws, but in god-like fashion to engineer improved biological performance, is now a given. But there is also a chance that human enhancement will devolve into a Wild West free-for-all. Because the geopolitical stakes are too high. This explains why in 2015 the Pentagon announced it had begun its Enhanced Human Operations program, which is expected to use all the tools described above and probably quite a few that we don’t know about.
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