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The layer B is one of the lower layers of the long stratigraphic sequence of the Kamyana Mohyla 1 site. The layer B received eight new AMS radiocarbon dates that clarified its chronology: 7950–7300 calibrated years BC. They are in a reasonable correspondence with the dates for lower and upper layers. The lithic assemblage belongs to Kukrek cultural aspect. It is characterized by pencil-like conical cores, Kukrek inserts, Kukrek burins and Dęby burins, nongeometric microliths (oblique points). The assemblage finds close parallels in the sites of Kukrek, Ihren VIII, Melnychna Krucha SU4 and Domchi-Kaia. They can be united into Kukrek sensu stricto cultural unit. The overlying layer C yielded somewhat different complex that finds parallels in the materials of the so-called “Kukrek cultural tradition.” Due to clear stratigraphic position of these units in the Kamyana Mohyla 1 sequence, we are able to differentiate Kukrek sensu stricto and “Kukrek cultural tradition” and suggest their respective chronological positions.

This study focuses on the pottery-bearing (“Neolithic”) sites of the northern Azov Sea region. The vessels ornamented with comb imprints appeared there in the sixth millennium BC. In the light of a recent re-dating of the Rakushechny Yar site sequence, the sites of the northern Azov region appeared to be the earliest evidence for this innovation. The innovation in the ceramic assemblage is accompanied by an innovative lithic tool set. The latter included macro-blades and fan-shaped end-scrapers, which were previously unknown in the studied region. Their reanalysis (including new field work at the single-layer site of Chapaevka) helped formulate a hypothesis of maritime transmission of comb-ornamented ceramics in the Black and Azov Sea. This hypothesis will stimulate further discussions regarding the ways of Neolithization in Eastern Europe. It underlines the connections between Balkan “classic” Neolithic and pottery-bearing sites of the Ukrainian Steppe. The impressed ware from Makri and other mainland Greek sites is treated as the closest analogy to the finds of the northern Azov Sea region.

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In European and many African, Middle Eastern and southern Asian populations, lactase persistence (LP) is the most strongly selected monogenic trait to have evolved over the past 10,000 years 1 . Although the selection of LP and the consumption of prehistoric milk must be linked, considerable uncertainty remains concerning their spatiotemporal configuration and specific interactions 2,3 . Here we provide detailed distributions of milk exploitation across Europe over the past 9,000 years using around 7,000 pottery fat residues from more than 550 archaeological sites. European milk use was widespread from the Neolithic period onwards but varied spatially and temporally in intensity. Notably, LP selection varying with levels of prehistoric milk exploitation is no better at explaining LP allele frequency trajectories than uniform selection since the Neolithic period. In the UK Biobank 4,5 cohort of 500,000 contemporary Europeans, LP genotype was only weakly associated with milk consumption and did not show consistent associations with improved fitness or health indicators. This suggests that other reasons for the beneficial effects of LP should be considered for its rapid frequency increase. We propose that lactase non-persistent individuals consumed milk when it became available but, under conditions of famine and/or increased pathogen exposure, this was disadvantageous, driving LP selection in prehistoric Europe. Comparison of model likelihoods indicates that population fluctuations, settlement density and wild animal exploitation-proxies for these drivers-provide better explanations of LP selection than the extent of milk exploitation. These findings offer new perspectives on prehistoric milk exploitation and LP evolution., (© 2022. The Author(s), under exclusive licence to Springer Nature Limited.)

Prehistoric Europe experienced a marked cultural and economic shift around 4000 years ago, when the established Neolithic agriculture-based economy was replaced by herding-pastoralist industry. In recent years new data about the genetic structure of human communities living during this transition period began to emerge. At the same time, the genetic identities of the Eneolithic and Early Bronze Age (EBA) inhabitants from a prehistoric cultural crossroad in western North Pontic steppe region remain understudied. This report presents results of the investigation of maternal genetic lineages of individuals buried in kurgans constructed during the Eneolithic-EBA transition in the western part of the North Pontic Region (NPR). Mitochondrial DNA (mtDNA) lineages from the interments belonging to the Eneolithic as well as the EBA cultures such as Yamna (Pit Grave), Catacomb and Babino (Mnogovalikovaya or KMK) were examined. In the 12 successfully haplotyped specimens, 75% of mtDNA lineages consisted of west Eurasian haplogroup U and its U4 and U5 sublineages. Furthermore, we identified a subgroup of east Eurasian haplogroup C in two representatives of the Yamna culture in one of the studied kurgans. Our results indicate the persistence of Mesolithic hunter-gatherer mtDNA lineages in western NPR through the EBA, as well as suggesting a mtDNA lineage continuum connecting the western NPR inhabitants of the Early Metal Ages to the North Pontic Neolithic population groups.