When did we get here?

Our species evolved in Africa, then walked and later sailed to almost every part of the world. This is that journey on Buckminster Fuller's world map, which keeps the land together as one island in one ocean. At each of eight stops, guess when people first arrived, then see what the evidence says.

Map: Natural Earth land outlines (public domain) on Buckminster Fuller's projection, using Robert W. Gray's equations. Dates: the papers linked at each stop. A guess anywhere inside the evidence range scores 100; debated routes are dashed. Fuller's map cuts the oceans open, so a route can leave one edge and come back at another.

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