Fire As an Engineering Tool of Early Modern Humans
Fire As an Engineering Tool of Early Modern Humans
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DOI：
10.1126/science.1175028
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发表时间：
2009-08-14
期刊：
影响因子：
56.9
通讯作者：
Bernatchez, Jocelyn
中科院分区：
文献类型：
--
作者：
Brown, Kyle S.;Marean, Curtis W.;Bernatchez, Jocelyn
有控制地使用火是人类进化过程中的一个突破性适应。它首先提供热和光，后来允许材料的物理特性被操纵用于陶瓷和金属的生产。对多个地点的工具的分析表明，源石材料被系统地用火处理，以改善其剥落性能。热处理在硅结砾岩工具中占主导地位，大约在7.2万年前（ka），早在164 ka就出现在南非南海岸的Pinnacle Point。热处理要求对火有复杂的了解，并提高认知能力，而且在大致相同的时间出现，作为象征行为的广泛证据。
The controlled use of fire was a breakthrough adaptation in human evolution. It first provided heat and light and later allowed the physical properties of materials to be manipulated for the production of ceramics and metals. The analysis of tools at multiple sites shows that the source stone materials were systematically manipulated with fire to improve their flaking properties. Heat treatment predominates among silcrete tools at similar to 72 thousand years ago (ka) and appears as early as 164 ka at Pinnacle Point, on the south coast of South Africa. Heat treatment demands a sophisticated knowledge of fire and an elevated cognitive ability and appears at roughly the same time as widespread evidence for symbolic behavior.