I've been having a fairly heated email discussion with regards to whether
different races of humans have significant intelligence differences. On one side
there are people who believe that natural selection over the past 50,000 years
has shaped humans in different regions of the world to adapt to local
environmental factors. The net result is that Europeans and Asians had
environmental factors that called for higher intelligence. I don't happen
to agree with that. I do not think enough time has passed for natural selection
to generate measurable differences in intelligence from region to region.
One prime example they provide is that Asians accomplished much more in
Eurasia than they did when they migrated into North and South America.
Bill writes:
Asians were the ones who originally peopled both North
and South America. So you have an apples and apples comparison. The Asians who
stayed in Asia went on to build civilizations of advanced technology and
sophistication. The Asians who crossed into North America had no selective
pressures and were largely hunter/gatherers right up to the arrival of European
colonists. What pressure did the Asians is Asia face that the Asians in North
America didn't face? Answer: Caucasians.
Sorry, I don't buy that one bit. For one thing, the "Asians" that came into
North America only did so 10,000 to 15,000 years ago. Did natural selection
generate significant intelligence differences in 10,000 years? I kind of doubt
it. I have a better explanation: Environment.
What did you have for dinner tonight? I went to Panera bread where I had
Asiago Roast beef. Beef, from cows didn't exist in North America. In fact, there
were zero large grazing animals in North America capable of being easily
domesticated (try domesticating a buffalo). And that bread? Whether it's from
wheat or rye both plants are native to Eurasia. North America got screwed there
too -- zero big seeded plants native to North America. The best North
America got was corn which is a pretty piss poor cereal. And in fact, corn
demonstrates that the native Americans had a lot of skill with domestication
because corn was very hard to domesticate compared to wheat.
In fact, pigs, sheep, goats, chickens, you name it, all from Eurasia.
Horses? Eurasia. How far would the Eurasians gotten without oxen and
horses? How well would mass agriculture get without wheat, rye, apples, olives,
and any number of nutritious and easily domesticated plants?
But wait, the fun doesn't stop there. Eurasia is a nice big WIDE land
mass. That means a big area of the same growing season that allows different
people to learn what works and doesn't and try it elsewhere and so forth. North
America is comparatively skinny.
My point is, it's not that Eurasians are smarter. It's that they happened to
win the lottery in natural resources.