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Université de Neuchâtel

Stimulus Enhancement and Spread of a Spontaneous Tool Use in a Colony of Long-tailed Macaques

Zuberbühler, Klaus ; Gygax, Lorenz ; Harley, Nerida ; Kummer, Hans

In: Primates, 1996, vol. 37, no. 1, p. 1-12

In a captive group of long-tailed macaques, tool-using behavior by a single competent individual had a significant effect on the synchronous manipulative behavior of naive animals. Group members engaged in manipulations on the same object class more frequently during times when the model was working than when it was not. The form of their behavior, however, in no way resembled the technique used...

Université de Neuchâtel

The predator deterrence function of primate alarm calls

Zuberbühler, Klaus ; Jenny, David ; Bshary, Redouan

In: Ethology, 1999, vol. 105, no. 6, p. 477-490

It is generally assumed that alarm calls function in intraspecific communication, for example to warn close relatives about the presence of a predator. However, an alternative hypothesis suggests that, in some cases, signallers may also gain fitness benefits in directly communicating to the predator, for example by advertising perception and unprofitability to predators that depend on unprepared...

HES-SO Valais

Design optimization of a 2D blade by means of milling tool path

Vessaz, Christian ; Tournier, Christophe ; Münch, Cécile ; Avellan, François

In: CIRP Journal of Manufacturing Science and Technology, 2013, vol. 6, no. 3, p. 157–166

In a conventional design and manufacturing process, turbine blades are modeled based on reverse engineering or on parametric modeling with Computer Fluids Dynamics (CFD) optimization. Then, only raises the question of the manufacturing of the blades. As the design does not take into account machining constraints and especially tool path computation issues in flank milling, the actual performance...

Bibliothèque cantonale jurassienne

Fossil Hominins : Neandertals : [book review]

Smith, Fred H

In: Journal of mammalian evolution, 2008, vol. 15, p. 219-222

Bibliothèque cantonale jurassienne

Sexual dimorphism in Pleistocene bison priscus (mammalia, bovidae) with a discussion on the position of bison schoetensacki : with: 3 text-figures, 3 tables

Drees, Marc

In: Senckenbergiana lethaea : wissenschaftliche Mitteilungen der Senckenbergischen Naturforschenden Gesellschaft, 2005, vol. 85, no. 1, p. 153-157