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Intelligence is essentially what separates humans from other animals, and why we believe human lives to be more morally significant than the lives of other animals. To acknowledge that some people are smarter than others is essentially to acknowledge that their lives are worth more under humanity's current moral system.

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Not only that, it also means people will likely try to "solve" poverty in Africa and elsewhere by getting rid of the natives and populate it with higher IQ people, as eugenecists were proposing right after Darwin came up with his theory of evolution.

And if you read the above statement and think "I certainly do not think that way, that's nuts", keep in mind how many others may read it and think "Well, that's science for you; heartless but honest."

That is my primary issue with this line of research. Clearly it can't be banned or made illegal, but I think it's worth acknowledging that racism and sexism are significant problems and to spend a little time considering how this line of research will make these problems even more intractable.

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