Proof niggers are dumb (IQ, brain size etc)

Oriental populations in East Asia and North America typically have mean IQs falling between 101 to 111. White populations in Europe, South Africa, Australasia, and North America have mean IQs of from 85 to 115, with an overall mean of 100. Black populations living south of the Sahara, in the Caribbean, in Britain, and in North America, average IQs of from 70 to 90.

Especially contentious was Lynn's calculation of a mean IQ of only 70 for Black Africans living south of the Sahara. Many reviewers have expressed skepticism about such a low IQ, holding it impossible that, by European standards, 50 percent of Black Africa is 'mentally retarded'. But a mean African IQ of 70 has been confirmed in three studies since Lynn's review, each of which used Raven's Progressive Matrices, a test regarded as an excellent measure of the non-verbal component of general intelligence and one not bound by culturally specific information.

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Human race and human species are interchangeable terms you half-wit.

I haven't been reading the entirety of the thread; however, that is not necessary to sum up the one thing that is known to be true. There are genetic differences between races that often include bone-structure, skin color, and muscle percentage type. It is too hard to measure 'intelligence' due to the effect culture has on people. Right now, for the average black(and now mexican and a lot of white), their culture sucks and promotes being retarded.

Physical brain size has no correlation to intelligence.
Evolutionary order has nothing to do with intelligence.

Also, even if Blacks in general were genetically less capable to do math/science functions, it doesn't mean they don't have some other part of their brain that functions better on average.

So, in short, with culture effecting lab results, there is no way to be sure on this subject. So shut the fuck up and stop arguing about something you can't possibly know or argue to a conclusion about.