Human history has been shaped by global dispersals of technologies, although
understanding of what enabled these processes is limited. Here, we explore the behavioural …

Osseous barbed and unbarbed points are commonly recovered from the Dutch North Sea
and other Mesolithic sites of northern Europe. Interpreted as elements of projectile …

Birch bark tar was used extensively throughout human history. While later ceramic-based
production technologies are known, prehistoric aceramic techniques leave little to no …

Birch bark tar is the most widely documented adhesive in prehistoric Europe. More recent
periods attest to a diversification in terms of the materials used as adhesives and their …

Bone points were one of the major hunting implements in northern European hunter-
gatherer societies. They differ in shapes, types, and manufacturing techniques. In this paper …

Birch tar has been identified as the predominant adhesive used for hafting purposes in the
European Mesolithic and Neolithic. Its role in the manufacture of composite tools and …

Birch bark tar played an important role as an adhesive in the European Middle Palaeolithic
and Mesolithic with key practical functions. For the Mesolithic in northern Europe, tar is …

Abstract we successfully developed a new class of nitrogen-doped carbon dots (N-CDs)
using a unique combination of hyaluronic acid (HA), citric acid (CA), and urea. This …

Osseous barbed and unbarbed points are commonly recovered from the Dutch North Sea
and other Mesolithic sites of northern Europe. Interpreted as elements of projectile …

Birch bark tar was used extensively throughout human history. While later ceramic-based
production technologies are known, prehistoric aceramic methods leave little to no …