Northern Europeans and Finns plot far from other Europeans in rare variant space. Rare variants measure genetic diversity and IQ optimization potential. Africans show high rare variant counts from uncontrolled breeding rates. Most rare variants are deleterious as random mutations mostly harm. Selection pushes beneficial variants to higher frequency reducing rarity. East Asians potentially more diverse than other Asians from migration waves and isolation. Latitude correlates with human habitation time explaining lower non-African diversity. Japan claims highest Asian ethnic genetic diversity. Rare variants less convincing for diversity without allele frequency weighting. Blonde red hair blue eyes unique to whites marking genetic specialty. Common variants also contribute to trait differences alongside rares. Africans need mutations for planning jobs and crime avoidance. Deleteriousness of variants varies by environment and society. Rapid cultural change outpaces evolution but selection persists. Non-Africans settled continents after 100k years in Africa. Genetic engineering risks unintended side effects from poor system understanding. Vitamin C loss in primates traded for intelligence gains.