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A new Duke theory identifies the height-to-base ratio that helped humanity master fire and migrate across the globe（图）
Duke theory identifies height-to-base ratio helped humanity master fire migrate across the globe
2015/6/18
In a study published in Nature Scientific Reports on June 8, 2015, Adrian Bejan, the J.A. Jones Professor of Mechanical Engineering at Duke University, shows that, all other variables being equal, the...