. Heat dissipation. White people are adapted to survive cold, which means greater mass to surface area ratio, light skin for vitamin D, and higher IQ. People who are adapted to live around the equator have a greater surface area to mass ratio, are longer, and have pigmentation to protect against excess sun, to deal with greater heat.
Irish slaves were considered expendable and given the more dangerous tasks, as they were like 1/6th the expense of African slaves, due to the heat the African slaves could handle.
Any engine must contend with heat dissipation to work well. If you can't work harder, you have to work smarter. Plus, contending with changing seasons requires ability to forgo now for future benefit, or delayed gratification.
Anyway, especially when it comes to basketball, it makes perfect sense that people who live around the equator would be advantaged by their adaptation. Conversely, look at the strong man competitions. They're all giant Vikings. Certainly, they all work to develop their abilities, and certainly there are some good white basketball players, and some black men in the strong man competitions, but there is a genetic component.
Ever wonder why there have been so many black athletes who drown? I'm not sure why it is, actually. It kind of makes sense that a long and lean hominid would not fare as well as a someone with more body fat.. but, if you look at the best swimmers in the world, they're usually long, and as lean as one gets. Maybe there are many fat, diabetic, completely unathletic, video game playing, pasty, kids drowning, but we don't seem to hear about that often.
professional, black athletes drown every few years.
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