Mutts...
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Artificial Intelligence Has Found an Unknown 'Ghost' Ancestor in The Human Genome
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Last year another team of researchers identified evidence of what they called a "definite third interbreeding event" alongside Denisovans and Neanderthals, and a pair of papers published just a fortnight ago traced the timeline of how those extinct species intersected and interbred in clearer detail than ever before.
[
www.sciencealert.com]