我们这儿还有另外一种描述，它不差于其他任何一种：人是一种热烈地无休止地探索自身起源的动物。

Here's one more description for the list, as good as any other: Humans are the animals who wonder, intensely and endlessly, about their origin.

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其他研究人员正在探索使用深层时间跨度来证明气候对我们进化起源的影响程度。

Other researchers are exploring deep timescales to look for climate's influence on our evolutionary origins.

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作者同样援引对藤壶植物的四卷论述（1851-54），带我们走进了物种起源中心问题的探索；

The four-volume treatise on barnacles (1851-54), is used to investigate the central question of how species originate.

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