Author Archives: gcochran9

History and Inbreeding

What are the earliest refs you know of that mention the disadvantages of inbreeding, in animals and/or humans?

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Gene Flow III

This is a table of the distribution of edar370a, the allele that plays a big role in making Northeast Asians look the way they do.  I’ve talked about it before. Note that the allele frequency is generally zero in African … Continue reading

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An American Dilemma

Today we’re seeing clear evidence of genetic differences between classes: causal differences.  People with higher socioeconomic status have ( on average) higher EA polygenic scores. Higher scores for cognitive ability, as well. This is of course what every IQ test … Continue reading

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The Paras

Sometimes in a long struggle, the players have a felt need to believe that it all means something: that the buddies they lost died for something important, that they made a difference…  Sometimes it’s even true.  But it ain’t necessarily … Continue reading

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Strikes me that in some parts of the world, they were fairly common in the past, while in other parts, practically nonexistent. I’m wondering the extent to which they were an Indo-European thing.

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Carryover vs “Far Transfer”

It used to be thought that studying certain subjects ( like Latin)  made you better at learning others, or smarter generally – “They supple the mind, sir; they render it pliant and receptive.” This doesn’t appear to be the case, certainly … Continue reading

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Let justice be done, though the heavens fall

If we had operated on that motto at the end of WWII, we would have executed a whole lot more Germans and Japanese than we did.    

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