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The genes that predispose people to attain higher levels of education have been in decline over the past 80 years, and researchers are suggesting that they’re now under negative selection, which could have a big impact on our species in the coming centuries. 在过去80年里，人们选择更高水平教育基因的倾向不断下降，研究人员认为如今这种基因已处于负选择，在接下来的几百年里可能对我们人类这个物种产生重要影响。 A study involving more than 100,000 people in Iceland found that those who carry the genes for longer education time were less likely to have a big family, which means the smartest people in the room were actually contributing less to the Icelandic gene pool. 在冰岛一个10万人参与的研究显示，携带“选择更高水平教育基因”的人拥有一个大家庭的可能性更小，这也就是说，他们其中最聪明的人反而对冰岛基因库的贡献较小。 | 
