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    Why were ancient Roman concrete structures so durable

    Roman structures are monumental concrete structures today are armed with iron in order to accomodate tensile stress constructions today are much lighter and bridge spans are much longer I don't think you should drive 10 ton trucks over the old aquaducts every day .. it would be nice though if...
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    Admixture history and endogamy in the prehistoric Aegean

    https://www.ancient-origins.net/news-history-archaeology/cousins-married-0017806?fbclid=IwAR2i373q7w4gP_ZEGM2ShsHmNa1uj8vl1H_T6oiGG8Fj2FunC4lpwja3PG4
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    Corded Ware R1a-M417

    this was supposed to be the oldest R1a-M417 sample, untill doubts arose on the dating : I6561 - Aleksandria R-F2597* (R1a) H2a1a 3650 Ukraine - Ukraine_MBA? now some new samples appeared in the Southern Arc paper : I10421 3950 MDA_CrihanaVeche_BA M R-M417 R1a1a1...
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    qpAdm Neolithic admix chart for West Eurasians ANF/Natufian/CHG/Iran N/EHG/WHG etc.

    I think it is more likely that both CHG and Iran N ancestors were 100 % Dzudzuana. Then both mixed with Ancestral North African, but Iran N more than CHG. Short after LGM, both also recieved ANE DNA.
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    qpAdm Neolithic admix chart for West Eurasians ANF/Natufian/CHG/Iran N/EHG/WHG etc.

    according to Laziridis in the Dzudzuana paper Morocco neolithic was very similar to Tarofalt 15 ka Morocco neolithic doesn't have Levantine or Anatolian neolithic DNA
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    qpAdm Neolithic admix chart for West Eurasians ANF/Natufian/CHG/Iran N/EHG/WHG etc.

    https://www.science.org/doi/10.1126/science.abm4247 check the paper on the bronze age
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    qpAdm Neolithic admix chart for West Eurasians ANF/Natufian/CHG/Iran N/EHG/WHG etc.

    there was a mixture with Dzudzuana twice first possibly at the formation of the Ibero-Maurusians (25-30.000 years ago), at least before Tarofalt 15 ka second at the formation of the Natufians (14.500 years ago) and even a third, at the formation of Levant PPNB (10.800 years ago)
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    qpAdm Neolithic admix chart for West Eurasians ANF/Natufian/CHG/Iran N/EHG/WHG etc.

    Basal Eurasian is not African, and Laziridis stated in the Dzudzuana paper that the Yoruba recieved Eurasian DNA, not the other way around. However there is this 'Ancestral North African'. I believe it was brought by the ancestors of the Ibero-Maurusians who carried Y-DNA E-M35. I believe they...
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    qpAdm Neolithic admix chart for West Eurasians ANF/Natufian/CHG/Iran N/EHG/WHG etc.

    no, he didn't specify this, but the most obvious would be the 'ancestral north african' which was introduced by the early Ibero-Maurisians the Ibero-Maurisians had a combination of African Y-DNA E-M35 and Eurasian mtDNA U6
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    qpAdm Neolithic admix chart for West Eurasians ANF/Natufian/CHG/Iran N/EHG/WHG etc.

    check this, from the Dzudzuana paper by Laziridis : both have Dzudzuana as main component they have the same amount of ANE, but the sources may be different - Y DNA R1 for CHG, R1 or R2 for Iran Neo Iran Neo has the double amount of deep ancestry (African, not Basal Eurasian) - through...
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    Genetic study The genetic history of Scandinavia from the Roman Iron Age to the present

    ?British-Irish ancestry has an impact on Scandinavia from the Viking period onward ?Eastern Baltic ancestry is more localized to Gotland and central Sweden ?Modern Scandinavians have less non-local ancestry than Viking Age samples ?The north-south genetic cline is mainly due to differential...
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    2 million yo DNA from northern Greenland

    a remarkable discovery by prof Eske Willerslev temperatures were 11 - 12 ? C higher than
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    Out of Africa overhyped

    I agree, there is no solid proof to exclude other options. Yet I believe the common ancestor between humans and chimps 7 Ma lived in Africa.
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    Out of Africa overhyped

    the Out of Africa is an oversimplification first of all there were many out of Africas since 2 Ma 2nd the out of Africa from which the Eurasians descend happened much earlier the earliest records of modern humans in Eurasia we have is from 50.000 years ago but these people were probably in...
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    World Cup 2022

    the picture speaks for itself there was also an instance in the same match where Messi should have recieved a red card but the referee made mistakes on both sides, that is true and he is not the only one I don't know how FIFA recruits it's referees, but the majority of them on the world cup...
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    World Cup 2022

    uptill now the referees have been very benign for him and his team
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    Denisovan Reconstruction

    I'm not so sure about all this hair all over his body. Our ancestors allready lost their fur 2 million years ago. That is when they started to produce melanin and got a black skin as protection against the sun. The skin under the fur was pink like many mammals with furs have today.
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    Denisovan Reconstruction

    It looks like he's suffering from a severe hangover.
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    Genomic ancestry, diet and microbiomes of Upper Palaeolithic hunter-gatherers.

    most likely I2a2 = P214/M436 we have 2 LP Italian clades : S2555 : https://www.yfull.com/tree/I-M436/ and Y344225 : https://www.yfull.com/tree/I-M223/
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