4 Comments
User's avatar
John Vezmar's avatar

A tour de force, David. It'll take some time to digest it all. Your detailed report reinforces my deep appreciation for spending most of my adult life living, and thriving, happily in America instead of what has now become communist South Africa, where I was born.

Expand full comment
In This Dimension's avatar

Yup. I've been reading David Reich's book on ancient DNA, in which he covers how difficult /impossible it is to get grants or even publish anything about intelligence being heritable, or being allowed access to ancient African DNA. The bigger problem for the West right now is fertility and the replacement of the children European (and, by extension, American) women are refusing to have, by low-IQ global south denizens incapable of creating or maintaining anything in the modern world. China, too - some demographers are predicting China's population will halve by 2060. When all the intelligent people are gone from voting booths and governance.... what happens? I think we can look at both Rhodesia and S Africa to understand. It's a real problem, magnified by the refusal to study it, without which solutions cannot be arrived at...

Expand full comment
TriTorch's avatar

"We must learn to live as brothers, or we will perish together as fools." -MLK Jr

Expand full comment
Tom Slick's avatar

I’ve been saying this exact thing for more than a decade. There’s no study explaining this phenomenon, so I started looking in to what causes some people to naturally develop higher thinking skills and cognitive function. The only thing I’ve learned, but never proven, is that the people with the higher IQ’s have greater myelination of the axons in the central nervous system.

This article explains the process of myelination. The more a baby is stimulated in very early life, the greater the myelination. Babies that are ignored or neglected don’t develop the myelin sheath necessary to develop higher cognitive function. The process can continue well into adulthood.

https://neurolaunch.com/myelination-in-the-human-brain/

Expand full comment