We live in an era of endless optimization. Fitness trackers help us measure our lifespan, people are consuming piles of protein in an attempt to be their best selves, and there’s even an urge to maximize our morality. In...
By Gaia Ghirardi, Arno Van Hootegem & K. Paige Harden , Nature Human Behaviour | 09.21.2026
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Embryo screening for behavioural traits is no longer speculative. If you want to become a parent in the USA today, you can pay to use pre-implantation polygenic testing (PGT-P) of in vitro fertilization (IVF)-created embryos. PGT-P promises to optimize offspring...
What We Inheritby Sam Trejo and Daphne O. Martschenko; andOriginal Sin by Kathryn Paige Harden have a great deal in common, with substantial differences in style and emphasis. Both books attempt, in different ways, to show the reader just where current research into human genomics stands, where that might be going, and why the authors are interested. In short, the influence of genomic research on our societies is already large and seems likely to change them in ways...
The pseudoscience of eugenics, founded on the mistaken notion that nature envisions some “right” combination of genes, and that selective breeding can improve the human race, is making a comeback. While the heyday of eugenics was a century ago, the...
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