It is also worth pointing out that there has been a long-known correlation between nutrition and intelligence (and height, which is why you sometimes here that tall people are smarter). Given the starvation conditions that are occurring over much of Africa, no wonder they are intellectually stunted. If you’ve ever fasted for a few days, you know what that does to your thought-processes! Also, in America (where a lot of the “Bell Curve”-type studies have taken place) most blacks are in urban areas where things like fresh fruit are more difficult to come by, and this is compounded by economic factors (the average black household makes less than the average white household, and junk food is cheaper than real food due to corn subsidies), as well as cultural factors (for example, black mothers are more likely to bottle feed their children than white mothers not to mention that academic intelligence isn’t valued in many parts of the inner-city).
All of these factors impact intelligence much more than melanin content.
So what to do if these statistics are real? Vitamin subsidies and all that is a step in the right direction (since peeling back corn subsidies ain’t happenin’).
And if blacks were shown to be intellectual inferior from a genetic standpoint (which I doubt), I don’t really think it would matter than much since within the black population there would still be the normal bell-curve distribution of intelligence, just with the mean shifted to the left. That doesn’t really affect individuals since their position on that curve is unknown, so treating all blacks as intellectually inferior doesn’t accomplish much.
I mean, really, how smart does one have to be to work most office jobs? I’m not saying intelligence doesn’t help, but most jobs are variations on fairly menial tasks. If you can be a car mechanic, you can be an M.D. – they are pretty much the same job the only difference is that medical school itself is artificially difficult (really just brute-force memorization which you don’t need to be a genius to do) and expensive.
Too much value is placed on intelligence, when it rarely comes into use.