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Sunday, December 30, 2018

Humans Descend From African Ancestors



Archaic human footprint found in Ileret, Kenya dating to 1.5 million years
Several sets provide evidence of males travelling in groups.



All non-Africans alive today can trace their roots back to ancient humans who left Africa between about 72,000 and 50,000 years ago. That’s the conclusion of three separate groups of scientists. They all published new studies online September 21 in Nature.

These studies examined DNA from different groups of modern people. The earliest human explorers left Africa in a single wave of migration, each study concluded. Then those explorers bred with Neandertals and spread across the world. On that much, all these teams agree. But many details of that history remain unanswered.

Scientists often have wondered when humans first left Africa. And did it happen once, twice or many times? Archaeological evidence from modern humans in Asia dates back 80,000 years. And human DNA from remains of a Neandertal woman in what’s now Siberia suggested some humans left Africa more than 110,000 years ago.
Read more here.

Related reading: Artifacts of Great Antiquity; Facts About Human Origins


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