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Attenuated total reflection-Fourier transform-infrared spectroscopy (ATR-FT-IR) analysis of 100 adhesive samples from different prehistoric composite artefacts, pottery, and amorphous lumps across Eastern Europe and Urals were conducted with the aim to establish a fast analytical screening method for adhesive assignment. The ATR-FT-IR analysis allowed the identification of major chemical components of the adhesive samples that were assigned to three main groups: birch bark tar without major additives, birch bark tar with additives, and minor/non-birch bark tar samples. ATR-FT-IR spectra were further analyzed using

Human history has been shaped by global dispersals of technologies, although understanding of what enabled these processes is limited. Here, we explore the behavioural mechanisms that led to the emergence of pottery among hunter-gatherer communities in Europe during the mid-Holocene. Through radiocarbon dating, we propose this dispersal occurred at a far faster rate than previously thought. Chemical characterization of organic residues shows that European hunter-gatherer pottery had a function structured around regional culinary practices rather than environmental factors. Analysis of the forms, decoration and technological choices suggests that knowledge of pottery spread through a process of cultural transmission. We demonstrate a correlation between the physical properties of pots and how they were used, reflecting social traditions inherited by successive generations of hunter-gatherers. Taken together the evidence supports kinship-driven, super-regional communication networks that existed long before other major innovations such as agriculture, writing, urbanism or metallurgy.

Slotted bone tools are an iconic example of composite tool technology in which change in one of the components does not require changing the design of the other parts. Commonly, slotted bone tools are seen through the lens of lithic technology, highlighting organizational aspects related to serial production of insets, reliability and maintainability. In this framework, slotted bone tool technology is associated with risk aversion in demanding environmental settings. Here, we provide the first overview of radiocarbon-dated slotted bone tools in northernmost Europe and the East European Plain, including 17 new direct dates on pitch glue, and show that the Late Pleistocene to Middle Holocene period of inset slotted bone tool use in this area shows marked variation and idiosyncrasy in associated lithic technology against a trend of continuously warming climate. We suggest that historical specificity and path-dependence, rather than convergent evolution, best explain the variability seen in slotted bone tool technology in the studied case, and that slotted bone tools in general formed an organizationally flexible, adaptable and hence likely adaptive technological solution that met a wide variety of cultural and technological demands.