Mitochondrial DNA analysis place the early European population as sister group to the Asian (“Mongol”) groups, dating the divergence to some 50 000 years ago.[33] While the skin and hair colour of the Cro-Magnons can at best be guessed at, light skin is known to have evolved independently in both the Asian and European lines,[34] and may have only appeared in the European line as recently as 6000 years ago[35] suggesting Cro-Magnons could have been medium brown to tan-skinned

谁不爱资源呢？爱资源第一意味着自己的生存，对雌性还意味着幼崽的生存。而对于雄性，第一意味着自己的生存，其次还意味着获得更多的交配机会。帅和富的选择，当然在于早期身体是资源的本钱，后期资源和身体之间的关系疏离，雌性对帅的偏好降低，如果二者兼具当然更好，如果不能得兼，帅是潜在的资源，富是已经存在的资源，当然后者风险更低更受偏好。

资源就是地位。官本位下，官员控制资源，他就有地位；在非正式关系是获取资源主要途径的情况下，认识得人多、是更多人际关系结点的人就有地位；资本主义中，企业是资源配置的渠道之一，资本家就有地位。

快乐之类的情感在基因看来，或者不过像是高潮一样，是为了实现繁衍的工具和武器。