The study in the journal Current Anthropology, which is based on measurements of more than 1,400 ancient and modern skulls, makes the argument that human society advanced when people started being nicer to each other, which entails having a little less testosterone in action.
《当代人类学》杂志上发表的这项研究测量了1400多个古代和现代人头骨,论证了当人类睾丸素水平下降,变得越来越友善的同时,人类社会也获得了进步。
Heavy brows were out, rounder heads were in, and those changes can be traced directly to testosterone levels acting on the skeleton, according to Duke anthropologist Steven Churchill, who supervised Cieri's work on a senior honors thesis that grew to become this 24-page journal article three years later.
杜克大学人类学家史蒂文·丘吉尔称,人类渐渐不再有粗壮的眉骨,头部变得更加圆润,这些变化与睾丸素水平直接相关。丘吉尔为西里的本科毕业论文导师,西里三年后在自己毕业论文的基础上发表了这次长达24页的论文。
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