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Human biological "races" simply do not exist.

"Race" is a social concept born from the African Diaspora back in the 1400's during European Colonialism.

Human biological variation is very real and we, as scientists, try to understand this variation using the forces of evolution including Darwin's mechanism of Natural Selection (which results in adaptation).

"race" does not even explain the distribution of differences in skin pigmentation. Some of the darkest populations on earth are not African (Dravidians of India and native Australians). Latitude and ultraviolet radiation explain the variations in skin pigmentation.

Sickle-cell is not an African disease. It is found in other populations and it can be explained scientifically as an adaptation to malaria.

No one human population is more athletic than any other. People who grow up in the mountains of Ethiopia and the high plains of Kenya have adapted since birth to high altitude stress by developing greater aerobic capacities.

and so on............

So, why the myth making? We humans are failing to adapt to global over-population generating crowding stress.

Racism is very real and along with the other almost countless forms of social discrimination like sexism, ageism, religionism, sexual orientationism, political philosophy-ism, nationalism, and so on- these are increasing because of crowding stress. And we will simply replace one form of discrimination with another- maybe how we crack open our eggs?

Humans have been over-populating this planet to the extent that there will never be Peace on Earth.

(sorry to ruin your new millennium!)