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How wild bearded capuchin monkeys select stones and nuts to minimize the number of strikes per nut cracked
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2010)
Wild bearded capuchin monkeys, Cebus libidinosus, use stone tools to crack palm nuts to obtain the kernel. In five experiments, we gave 10 monkeys from one wild group of bearded capuchins a choice of two nuts differing in ...
Stone Sculpture Wear: Alteration/Fragmentation Processes and Their Impact on Carving Traces of Tenon Heads of Chavín de Huántar, Peru
(Cambridge University Press, 2019)
The study of the stone sculpture production process is subject to the preservation and visibility of tool traces and surface finishes. In this article it is proposed that the parameters developed in conservation for the ...
Selection of Effective Stone Tools by Wild Bearded Capuchin Monkeys
(CELL PRESS, 2009)
Appreciation of objects` affordances and planning is a hallmark of human technology. Archeological evidence suggests that Pliocene hominins selected raw material for tool making [1, 2]. Stone pounding has been considered ...
The Enhanced Tool-Kit of Two Groups of Wild Bearded Capuchin Monkeys in the Caatinga: Tool Making, Associative Use, and Secondary Tools
(WILEY-LISS, 2009)
The use of stones to crack open encapsulated fruit is widespread among wild bearded capuchin monkeys (Cebus libidinosus) inhabiting savanna-like environments. Some populations in Serra da Capivara National Park (Piaui, ...
Dimension stone for building facades: methodology for structural design
(SPRINGER HEIDELBERG, 2008)
The importance of a careful selection of rocks used in building facade cladding is highlighted. A simple and viable methodology for the structural detailing of dimension stones and the verification of the global performance ...
Distribution of potential suitable hammers and transport of hammer tools and nuts by wild capuchin monkeys
(SPRINGER TOKYO, 2009)
Selection and transport of objects to use as tools at a distant site are considered to reflect planning. Ancestral humans transported tools and tool-making materials as well as food items. Wild chimpanzees also transport ...
Bearded capuchin monkeys` and a human`s efficiency at cracking palm nuts with stone tools: field experiments
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2010)
Wild bearded capuchins, Cebus libidinosus, in Fazenda Boa Vista, Brazil crack tough palm nuts using hammer stones. We analysed the contribution of intrinsic factors (body weight, behaviour), size of the nuts and the anvil ...
Rolling Stone Brasil: aspectos de interatividade
(Universidade Estadual Paulista (Unesp), 2010)
The purpose of the present dissertation is to show the interactivity connections featured in a cultural journalism magazine's website through direct observation of its presented structure. The website chosen as object of ...
Broken stone tools from Cerro El Sombrero Cima (Tandilia Range, Argentina)
(University of Texas A&M, 2012-11)
Cerro El Sombrero Cima is an open air site where the early inhabitants of the Pampean Region carried out some specific re-equipment tasks associated with hunting weapons. This site is an outstanding feature of the landscape, ...