An unusually beautiful graph showing how important genetics can be in various life domains. http://www.nature.com/articles/s41539-017-0005-6/figures/1 … via @slatestarcodexpic.twitter.com/2lvRhzk2qa
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How else do you think MZ twins differ from DZ twins? Except this isn't a rhetorical question because people have checked and they don't.
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