Lion of the Blogosphere writes:

The genetically high IQ of Koreans means that North Korea can produce nuclear weapons (which is only a 1950s technology), while countries in Africa are never going to do that. It’s the HBD, stupid.

What a fascinating thing to say!

In my opinion, it’s virtually impossible for a country with a mean genetic IQ below 93 to make nuclear weapons.  Below an average genetic IQ of 93 (white norms),  there are  simply not enough geniuses to figure it out, and what few there are wont have enough smart teachers to guide them.

My guess is all human races can make nuclear weapons except for those who pre-Carleton Coon anthropologists crudely defined as “negroid” (including bushmen, pygmies, and the unrelated australoids).

I think a people’s ancestors needed at least some exposure to the incredible cognitive demands of the last ice age to have the power to either end civilization (nuclear weapons) or create it.

Indeed it was only after humanity had their wits sharpened by the Wurm glaciation that civilization may have been possible because before that ice age, no human race had a mean (genetic) IQ of 93+.

According to quickhistories.com:

In ancient history, six distinct “cradles” of civilisation are usually identified. These are the regions which appear to have developed civilisation independently or semi-independently.

The six cradles of civilisation were: Egypt, Mesopotamia, the Indus Valley, China, Mexico and Peru.

One curiosity is that, with the exception of China, which emerged a little later, each of these societies emerged around 3000 BCE – as if history’s light was suddenly switched on.

As Michael Hart implied for agriculture, I suspect civilization was likely in climates that were in or near the Goldilocks zone:  warm enough to work with, but cold enough to have selected for 93+ IQ.

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