Happy to share this amazing review paper by Bennett et al. 2024 (Dec. 03): "Reconstructing the Human Population History of East Asia through Ancient Genomics" doi.org/10.1017/978100924667…

+also a very relevant and good explanation:

Is Out Of Africa disproven??? #dna #history #outofafrica #evolution #paleolithic

Early Neolithic genomes suggest a local origin for millet farmers in East Asia science.org/doi/10.1126/scia…

An exciting update on David Reich's preprint on Human and Neandertal origins - "Hypothesis: A modern human range expansion ~300,000 years ago had a critical role in Neandertal origins." biorxiv.org/content/10.64898… From what I remember, the Levallois culture was endemic to both coasts of the Red Sea (Arabian Peninsula and eastern Africa), which would limit the origins of *pre-modern* Homo sapiens to the Red Sea coast, time-framed 800,000–300,000 years ago. If true, the population that lived during this period in this region gave 80% of the ancestry of all living people today (that is, it gave rise to the contemporary Homo sapiens). In a strange way, the same population gave rise to Eurasian Neandertals during its range expansion in western Eurasia, contributing both of its uniparentals to the European archaics along with 3–5% of its autosomes, thus demonstrating a lack of reproductive barrier with European archaics. In its deep African range expansion, running in parallel to its European expansion, this Red Sea endemic population admixed with African archaics in 80/20 proportions, suggestive of a certain reproductive barrier in the latter case. The product of this admixture (Red Sea endemics × African archaics in 80/20 proportions) became what we understand as modern Homo sapiens, which is, us. Around 40-70 000 years ago, the later mix expanded its range again, covering all continens and intermixing with its Neandertal cousins in western Eurasia - again, as well as with other archaics - perhaps everywhere it came across such. This time under the condition of a partial reproductive barrier. Eventually. P.S. A strange implication of the hypothesis is that we are not indeed Homo sapiens - Homo sapiens in its unadmixed form (by which I mean the population that is behind Levallois revolution 300,000 years ago) no longer exists and went extinct about 250,000 years ago, whereas we are a hybrid that carries 80% of its genome, but mixed with another, more archaic population, that contributed 20% to our genomes. In a certain sense, one of the findings of the study is that Homo sapiens in fact went extinct around 250,000 years ago and while we carry some 75-78% of its genome, HS should not be mistaken with, well, us. Word choices mine and not from the preprint.

Relevant to multiple topics I've tweeted on in the last few days. IMO there was a long standing "hybrid zone" ~in the Near East between Sapiens and Neanderthals which shifted north and south until the OOA expansion It may have be comparable to modern Baboon hybrid zones

David massively revised his preprint. Check out the new version! Some highlights are more evidence for why range expansion specifically works better than an admixture pulse and what genes may have been inherited from the expanding "mode 3" population biorxiv.org/content/10.64898…

Population dynamics of prehistoric East Asia (10−2 ka BP) and relationship with climatic and subsistence changes sciencedirect.com/science/ar…

Look at the context of the post! If you just want to preserve a specific mix/group/cluster, than fine! But do not spread populist racist misinformation and nonsense! Stop harrasing others and deal with your own problems of insecurity!

学変A「統合生物考古学」第２回公開シンポジウムの開催につきまして 本学変Ａでは11月14日（土）13:00-17:30に 公開シンポジウム 「DNA・形質人類学・考古学からみた縄文人の成立過程」 を開催いたします。 場所：東京大学本郷キャンパス　伊藤謝恩ホール 当日は会場およびzoom参加によるハイブリッド開催となります。 事前申込：必要となります（申し込み開始はもう少々お待ちください） 趣旨、登壇者は以下の通りです。 「統合生物考古学」第２回公開シンポジウム 「DNA・形質人類学・考古学からみた縄文人の成立過程」 趣旨 　縄文時代の人々（縄文人）は、現代日本人の祖先の一つであると言われています。これまで、日本各地で見つかった縄文時代の人骨の形質やミトコンドリアDNAの分析から、縄文人の祖先には、東南アジアから中国を北上し北海道経由で本州へ入った人々と、東南アジアから朝鮮半島を経由し日本列島を北上した人々がいた可能性があると考えられてきました。そして、縄文人の祖先に南北二系統の人々がいたということは、従来の考古学的研究成果からも支持されてきました。 　しかしながらDNAの分析技術が進展し、縄文人の核DNAの分析が行われるようになると、これまで想定されていた縄文人の成立過程についてのストーリーとは、また異なった研究成果が提示されるようになりました。 　そこで今回のシンポジウムでは縄文人について、ゲノムの分析結果、骨格形態、旧石器時代・縄文時代における考古学的研究という様々な見地から、その成立過程について議論していただき、意見交換を行うことによって「新たな日本人起源論」を構築するための礎としたいと思います。 当日プログラム 開会・趣旨説明：山田康弘（東京都立大学） 「縄文人・縄文文化とは何か？」 講演１：太田博樹（東京大学） 「ゲノムからみた縄文人の成立と日本列島域における拡散」 講演２：出穂雅実（東京都立大学） 「上部旧石器時代の考古学からみた日本列島域における現生人類の拡散」 講演３：近藤　修（東京大学） 「骨格形態から見た縄文人の起源と地域性」 講演４：青野友哉（東北芸術工科大学） 「縄文時代の考古学からみた外来的要素の再検討」 パネルディスカッション