Razib Khan writes the #1 Substack in the Science category. We talk about how to genotype your unborn baby, whether we can increase our intelligence and testosterone with CRISPR, whether Genghis Khan was good actually, how Razib is succeeding on Substack, and much more.

Check out Razib's Substack at razib.substack.com. If you subscribe, tell him I sent you.

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