The Practical Guide to Superbabies — LessWrong

It’s Summer of 2025. I’m standing in a grass covered field on the longest day of the year. A friend of mine walks towards me, holding his newborn son…

x The Practical Guide to Superbabies — LessWrong Embryo Selection Human Genetics Practical World Optimization Curated 2026 Top Fifty: 19 % 214 The Practical Guide to Superbabies by GeneSmith 2nd Apr 2026 65 min read 67 214 It’s Summer of 2025. I’m standing in a grass covered field on the longest day of the year. A friend of mine walks towards me, holding his newborn son. “ Hey, I don’t know if you’re aware of this, but you were pretty instrumental in this kid existing. We read your blog post on polygenic embryo screening back in 2023 and decided to go through IVF to have him as a result.” He h

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