BLM Insurrectionist Screams 'I Can't Wait Until Black People Lynch White People'

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[–]InvoluntaryHalibut 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (2 children)

If you think you can divide a population and place half of it in equatorial africa for 50,000 years and another in ice age eurasia, and the only divergent traits you will get have to do with pigmentation, you do not have a realistic view of evolution. How about size of brain case for starters?

[–]ActuallyNot 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (1 child)

If you think you can divide a population and place half of it in equatorial africa for 50,000 years and another in ice age eurasia, and the only divergent traits you will get have to do with pigmentation, you do not have a realistic view of evolution. How about size of brain case for starters?

Weird place to start. Which group would you expect of have the more selection pressure on head circumference, and would the selection pressure be towards smaller or larger ones?

The equatorial group would be selected for higher melanin, because the more direct sun comes with a greater risk of skin cancer. Although with the ozone hole at the pole, this may be weaker than in the past. The polar group would be selected for less melanin and narrow eyes and more adipose tissue in the eyelids. This is because vitamin D insufficiency is a risk as is loss of sight from frostbite of the eyeball.

[–]InvoluntaryHalibut 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Its not really a weird place to start if we’re talking about IQ. People living in cold weather climates like whites and east asians have larger craniums— its not a thermodynamic penalty in a cold environment to have a large head.

Africans and Australoids have a cranial volume about 10% smaller on average relative to BMI.

UV destroys folate which results in birth defects. Thats the big selective pressure there , not skin cancer.

Diet is also a selector for skin color. Hunter gatherer diets are probably higher in vitamin D than a grain eater’s. Northern Eurasians probably got a good deal whiter since they started eating grain. Inuits are not that light if you notice. They do have a pretty high IQ for a hunter gatherer society though. About 95 or so I think, which is basically like an Irishman.

Interesting point you make about epicanthic folds but then how do you explain Khoisan.