The study of percussive technologies is crucial for understanding the cognitive and adaptive capacities of early hominins in all archaeological periods. Percussive technologies of early hominins testify to a large range of daily activities and serve as a source of information on raw material selection and tool-use strategies. These technologies also inform on the broader economic, social, and technical organisation of early hominin societies. While Acheulean assemblages document an increase in the variability of lithic raw materials and tool types used for percussion activities compared to the Oldowan, the functional significance of such changes remains understudied. By experimentally assessing the effects of percussive actions on different raw materials, this study aims to advance our understanding and ability to identify use-wear traces related to bone percussion during the Acheulean, providing a reference that directly contributes to the study of the Melka Wakena site complex in Ethiopia. In this paper, we present the results of a laboratory-controlled mechanical experiment combined with multi-scale analyses, including 3D scanning and multi-scale microscopy, to examine the effects of percussive actions on the natural surfaces of different raw materials. Our results show how traces form in different raw materials, providing additional data to further the characterization of traces. Such experimental data are fundamental for inferring decision-making criteria involved in the selection and use of various raw materials by early Acheulean stone toolmakers.

Scientific Reports - Seasonal-to-interannual hydroclimatic variability in Afromontane environments during the late Early Pleistocene hominin occupations on the Southeastern Ethiopian Highlands

Neandertal infants are rarely found, with only a few individuals documented in the literature. Therefore, their growth and development remain poorly u…

In this paper we investigate the seasonality of site occupation at Amud Cave (Israel). This site presents a long sedimentary sequence featuring two main late Middle Paleolithic occupation phases (70 –...

New Evidence from the Levant Challenges Traditional Views on Early Human Cognition

Exodus from the Journal of Human Evolution leaves a flagship journal in crisis

In recent years, archaeological research has demonstrated the presence of abstract non-utilitarian behaviour amongst palaeolithic hominins, fuelling discussions concerning the origin and implications ...

Exodus from the Journal of Human Evolution leaves a flagship journal in crisis

The evolution of human behaviour is marked by key decision-making processes reflected in technological variability in the early archaeological record. As part of the technological system, differences ...