Bajka: Its a gene pool thing, and also down to race as per Darwins case study of the different so called races.
DNA studies indicate we all originally come from Africa and have common ancestors.
we all have different trates, but generally the caucasian (european) brain can out perform the lesser african one.
Yes, we have different traits based upon our education and social upbringing. I certainly rather depend upon a African raised in the jungle to lead me out of the jungle after a plane crash, then rely on some Oxford or MIT math major who's never been camping to try to get me out.
the oriental persons brain is superior in intellect - clever bunch these japs and chinks...
Not really. They're just willing to work harder than your average white guy.