Cover Image: August 2000 Scientific American Magazine See Inside

Global Positioning [Preview]

New fossils revise the time when humans colonized the earth

By Kate Wong















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Scientists have long known that hominids arose in Africa and that for the first few million

years they stayed there. But at some point our ancestors began to move out of their motherland, marking the start of global colonization. Determining why and


This article was originally published with the title Global Positioning.



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