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In page Paleolithic:

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Some researchers have noted that science, limited in that age to some early ideas about astronomy (or cosmology),[citation needed] had limited impact on Paleolithic technology. Making fire was widespread knowledge, and it was possible without an understanding of chemical processes. These types of practical skills are sometimes called crafts. Religion, superstitution or appeals to the supernatural may have played a part in the cultural explanations of phenomena like combustion.[1]