文化人不愿生孩子 未来人类IQ会下降
<p><span word="The">The</span> <span word="genes">genes</span> <span word="that">that</span> <span word="predispose">predispose</span> <span word="people">people</span> <span word="to">to</span> <span word="attain">attain</span> <span word="higher">higher</span> <span word="levels">levels</span> <span word="of">of</span> <span word="education">education</span> <span word="have">have</span> <span word="been">been</span> <span word="in">in</span> <span word="decline">decline</span> <span word="over">over</span> <span word="the">the</span> <span word="past">past</span> 80 <span word="years">years</span>, <span word="and">and</span> <span word="researchers">researchers</span> <span word="are">are</span> <span word="suggesting">suggesting</span> <span word="that">that</span> <span word="they">they</span>’<span word="re">re</span> <span word="now">now</span> <span word="under">under</span> <span word="negative">negative</span> <span word="selection">selection</span>, <span word="which">which</span> <span word="could">could</span> <span word="have">have</span> <span word="a">a</span> <span word="big">big</span> <span word="impact">impact</span> <span word="on">on</span> <span word="our">our</span> <span word="species">species</span> <span word="in">in</span> <span word="the">the</span> <span word="coming">coming</span> <span word="centuries">centuries</span>.</p><p>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。</p><p><span word="A">A</span> <span word="study">study</span> <span word="involving">involving</span> <span word="more">more</span> <span word="than">than</span> 100,000 <span word="people">people</span> <span word="in">in</span> <span word="Iceland">Iceland</span> <span word="found">found</span> <span word="that">that</span> <span word="those">those</span> <span word="who">who</span> <span word="carry">carry</span> <span word="the">the</span> <span word="genes">genes</span> <span word="for">for</span> <span word="longer">longer</span> <span word="education">education</span> <span word="time">time</span> <span word="were">were</span> <span word="less">less</span> <span word="likely">likely</span> <span word="to">to</span> <span word="have">have</span> <span word="a">a</span> <span word="big">big</span> <span word="family">family</span>, <span word="which">which</span> <span word="means">means</span> <span word="the">the</span> <span word="smartest">smartest</span> <span word="people">people</span> <span word="in">in</span> <span word="the">the</span> <span word="room">room</span> <span word="were">were</span> <span word="actually">actually</span> <span word="contributing">contributing</span> <span word="less">less</span> <span word="to">to</span> <span word="the">the</span> <span word="Icelandic">Icelandic</span> <span word="gene">gene</span> <span word="pool">pool</span>.</p><p>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。</p>
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