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Exploring the Cradle of Humanity Reveals Genetic Traces of Extinct Human Species
Once DNA evidence made clear that all humanity came from Africa, researchers have been scouring that vast continent in search of a fuller story of our origins. Where in Africa was the cradle of humanity? And how are modern people related to the common ancestor that all humanity shares?
Two groups have recently added surprising new details to the picture by using DNA collected from modern hunter-gatherers - the Pygmies of Cameroon, the Sandawe and Hadza of Tanzania and Khoe-San of southern Africa.
Those studies suggest a new narrative of our human roots. The old story of a single superior group bursting through Africa and beyond is being replaced by a more complicated one that traces our roots to a fractured collection of ethnic groups who periodically interbred across the lines…
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Show Notes
Divine Irony
is a rich archive of religious delusions, scientific truths and political implications.
"Tell people there’s an invisible man in the sky who created the universe, and the vast majority believe you. Tell them the paint is wet, and they have to touch it to be sure."
-George Carlin
“If people are good only because they fear punishment, and hope for reward, then we are a sorry lot indeed”.
-Albert Einstein
