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科学史评话最新专辑

物种起源—正传:40.我们来自何方

22 Jul 2017

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《科学史评话》官方QQ群已经开通,欢迎大家加入。小伙伴们可以更加方便的交流互动。群号:619168910。多中心起源说其实很早就出现了。当年北京猿人的头盖骨被挖出来的时候,魏敦瑞就提出了,看着这个北京猿人长着两个大板牙。这个大板牙到现在的蒙古人种身上都能看到,很有可能,北京猿人就是现代蒙古人种的祖先。蒙古人种说白了就是黄种人。两颗大板牙,说的学术点叫做“铲形门齿”。大家有兴趣不妨去照照镜子,微笑一下露出门牙,看看是不是“铲形门齿”。我们中国人大部分都是这种齿型,白人里面只有8.4%,黑人里只有11.6%……

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