Bigger brains?

"Professor Lynn, who caused controversy last year by claiming that men were more intelligent than women by about five IQ points on average, said that populations in the colder, more challenging environments of Northern Europe had developed larger brains than those in warmer climates further south. The average brain size in Northern and Central Europe is 1,320cc and in southeast Europe it is 1,312cc. “The early human beings in northerly areas had to survive during cold winters when there were no plant foods and they were forced to hunt big game,” he said. “The main environmental influence on IQ is diet, and people in southeast Europe would have had less of the proteins, minerals and vitamins provided by meat which are essential for brain development.” ...more

Second to our neighbors to the North, we must be some of the smartest people on this continent. Too bad the United States was not listed. Let's do it by State please.