Eugenics á la embryo selection/editing is cheaper and has no obvious limits, whereas education does (should we force people to study for 50 years?).https://twitter.com/WiringTheBrain/status/928191081824604160 …
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If you think embryo selection is cheap, you've obviously never had to pay for a round of IVF... And selection for IQ only has no obvious limits if you think of it like milk yield in cows or oil content in rapeseed
Look at. https://www.gwern.net/Embryo-selection#cost-benefit … Selection for many of these quant traits have been going for decades with +20 sd gains. No obvious limit. http://nautil.us/issue/18/genius/super_intelligent-humans-are-coming … https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3872177/ …http://science.sciencemag.org/content/307/5710/683 …
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The difference is we've *already* been strongly selected for increased intelligence, over hundreds of thousands of years.
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Why does that matter? We see lots of additive variance for humans for intelligence despite that.
End of conversation
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