Category Archives: Uncategorized

Psychometrics

Jared Diamond says ” Sound evidence for the existence of human differences in intelligence that parallel human differences in technology is lacking.” In short, he dismisses the entire field of psychometrics. Doesn’t even bother to argue about it. The word … Continue reading

Posted in GGS, Uncategorized | 50 Comments

Something changed

Jared Diamond notes (p 161) that the wild ancestors of domesticated animals are spread unevenly – only two are in South America, while none come from North America, sub-Saharan Africa, or Australia. He then argues that only a few special … Continue reading

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Persistence

Jared Diamond notices that early development of complex civilizations had ongoing consequences: peoples that developed such things way later or not at all continue to do poorly today, even if they encountered Western technology and technologists several hundred years ago. … Continue reading

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Norse trace

Jennifer Raff has an article in the Guardian, discussing why there’s no genetic sign of black African ancestry ( from Roman times) in contemporary British DNA. Well, the simple explanation is very few such people ever came to Britain. She … Continue reading

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PNG Über Alles

One of the more interesting points in Guns, Germs, and Steel is Diamond’s claim that people in Papua New Guinea (PNG) “are probably genetically superior to Westerners”: p21. More quotes: “Natural selection for intelligence has probably been far more ruthless … Continue reading

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Genetic evidence for self-domestication in humans

There’s an interesting recent paper on the genetic basis of the changes we see in domestication – and the extent to which humans exhibit similar genetic changes. domesticated species end to have depigmentation, floppy ears, shorter muzzles, curly tails, smaller … Continue reading

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Self-domestication

I wonder if there are neural crest changes in modern humans. Perhaps in all of them, or maybe in just some ( not in Nicholas van Rijn ).

Posted in Uncategorized | 8 Comments