'Shortly after Homo sapiens first evolved, the harsh climate conditions nearly extinguished our species,' said Professor Marean.

'智人刚开始进化不久，恶劣的气候条件几乎灭绝我们人类，'马里恩教授说。

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The expression of capacities, Hill and Marean said, can be summed up, namely, as exceptional cognition, culture and cooperation.

希尔和马利安说，我们可以对那些能力进行一种总结式的表达，即特别的认知、文化和合作能力。

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Professor Curtis Marean, of the Institute of human Origins at Arizona State University discovered ancient human artifacts in the isolated caves around an area known as Pinnacle Point, South Africa.

亚利桑那州立大学人类起源研究所的柯蒂斯·马里恩教授在南非尖塔顶(品尼高点)地区附近的偏僻洞穴中发现了古人类遗迹。

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