DNA shines a light back into the past, showing us things that fossils can't. But how far back can that light extend? Some of the oldest DNA sequences come from mastodon and polar bear fossils about 50 ...
AllAfrica on MSN
Africa: Where Did the First People Come From? the Case for a Coastal Migration From Southern Africa
Analysis - The origins and migrations of modern humans around the world are a hot topic of debate. Genetic analyses have pointed to Africa as the continent from which our ancestors dispersed in the ...
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