quotes of Bruce Lahn; 13 quotes

"If we look at multiple genes, the ethnic variations such as the ones we found are likely to be counterbalanced by other differences. Just because these genes are still evolving, doesn't necessarily mean they make you any smarter. We've evolved genes for selfishness, violence, cruelty û- all of which are in place because they may make survival easier."

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"In a very short period of time, this class of variants arose from a single copy to many copies. That implies that this must have happened because of positive selection."

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"The next step is to find out what biological difference imparted by this genetic difference causes selection to favor that variation over the others."

"Our studies indicate that the trend that is the defining characteristic of human evolution -- the growth of brain size and complexity -- is likely still going on. If our species survives for another million years or so, I would imagine that the brain by then would show significant structural differences from the human brain of today."

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"My concern is that this is going to become justification for prejudices against certain groups."

"Meanwhile, our environment and the skills we need to survive in it are changing faster then we ever imagined. I would expect the human brain, which has done well by us so far, will continue to adapt to those changes."

"We don't know what these new variants do. But they might confer a selective advantage by improving cognitive abilities. This needs to be confirmed."

"We're envisioning what societies will want."

"Our studies indicate that the trend that is the defining characteristic of human evolution--the growth of brain size and complexity--is likely still going on. Meanwhile, our environment and the skills we need to survive in it are changing faster then we ever imagined. I would expect the human brain, which has done well by us so far, will continue to adapt to those changes."

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"We, including scientists, have considered ourselves as sort of the pinnacle of evolution."

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