Whites and blacks have substantially different maturation rates. Gestation is substantially different, leading to more "preterm" blacks
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Replying to @HbdNrx
Menarche is also very different--white girls are much later. Lifespans are also related.
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Replying to @HbdNrx
related to the difference in maturation rates, that is--whites have a slower life plan
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Replying to @HbdNrx
This is why the arguments about "but there's no gap at age 2" (or whatever) is worthless. Speed of maturation and endpoint are uncorrelated.
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Replying to @HbdNrx
For what it's worth, chimp babies test ahead of humans at 6 months. Why are chimp mothers so bad that they allow such a gap later?
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Should the government step in to raise all chimp babies, in an effort to reduce the gap?
3:49 PM - 8 Mar 2015
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