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SkyCallCentre's avatar

DNA from 146,000 years ago is surprising outside of Siberia. Perhaps one day the Homo erectus genome will be sequenced.

In the 12-15 years since it was discovered that Europeans have 2-4% neanderthal DNA, and that Asians have 2-5% Denisovan, there have been so many follow up studies to try and determine what benefit (or costs) the modern humans acquired from that admixture.

In the 5 years since it was announced that West Africans have between 2% and 19% of their DNA from a species that is separated from the rest of humanity by as much as 1 million years there has been hardly any follow up at all.*

If you google 'West African Ghost Lineage' you get a bunch of mainstream media news articles from the week the study was published. That was in February 2020. (I suppose if the study had been finalized 6 months later it might never have been published at all.)

It's a shame that politics prevents further investigation into this fascinating theory.

*There was one follow up that claimed to have debunked the original paper, but John Hawks thinks it still holds up.

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TonyZa's avatar

Neanderthals also had a larger brain but it was the visual area that was more developed so they probably were not smarter. Despite Neanderthal better visual processing, stronger muscles and thicker bones the Cro-Magnon invading Ice Age Europe were saying “no matter what, we have the bow and they do not”

Artistic depictions of archaic men don't look that weird because there are many modern human men who like Darwin have a strong brow ridge while the lack of chin is hidden by the beard. Archaic woman and children look weirder because they also have a large brow ridge which we associate with men.

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