Life in the big city and for the generations to live in a closed area of people than the cleverness of the widening gap in May. Scientists were surprised to find that the human brain in a set of "human genes" is still in the extraordinary speed evolution! because this group Gene evolution and human social civilization, accelerated evolution of the brain may cause some social consequences — can result in different community in interspecific intellectual development imbalances. The study results published in the United States today, published by science magazine, led by Chinese scientists Lam Tin study group of new discovery could lead to anthropologists most heated debate.
The same issue of two papers also published in the scientific journal is rare. Today's Science magazine, published by the University of Chicago Assistant simultaneously, Sun Yat-sen University "stem cells and tissue engineering research center" Director Lam Tin two papers, the two papers were presented the two are in the human brain evolution "humanity high-speed gene", to prove that the human brain is still high speed evolution. Paper points out that a gene called ASPM in 5800 years ago from now appear; another gene named Mi-crocephalin is now 37000 years ago. Previously, anthropologists believe that 20 years ago, after the introduction of the modern human evolution "shaping", a study on the Lam, and others may cause anthropologists on the speed of modern human evolution revisited. Scientists believe that these two "new gene" may determine the capacity of the human brain, which in turn may affect human intelligence.
According to Lam Tin, postdoctoral item Peng from 1998 onwards, Lam Tin by genome-wide and nervous system of more than 200 systematic study of genes and human, monkey, rats and mice, discovered Primate (human, monkey) nervous system Gene evolution faster than rodents (mice, etc.) up to 30%; in primates, the evolution of genes of the nervous system particularly rapid speed.
Scientists speculate that these two "the emergence of new gene" may be related to farming, language, text, and other activities of the human civilization, it appears the seemed to indicate that the human genome evolution with the continuous development of the social civilization and progress is being made between the existence of a causal relationship. On the other hand, because the speed of development of human civilization, several unbalanced backward regions of the human gene in the brain "," evolutionary speed may be slow.
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