Entre exportation et importation

Universalizing Chasqui Repositories with a Flexible Importation / Exportation System

Chasqui defines an architecture for repositories of learning objects in specialized domains that has been refined during the virtualization of two academic museums at Complutense University of Madrid (Spain). Learning objects in Chasqui follow the virtual object model, a specific model that has arisen and evolved during the two virtualization experiences cited. In this paper we describe how the...

rapports entre science et valeurs

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Risk analysis in relation to the importation and exportation of animal products.

The design of a quantitative risk analysis model has to be dictated by the questions it seeks to answer. The model should also be as objective as the available data will allow. Animal and animal product import risks usually have three characteristics which make the design of a good quantitative risk analysis model quite difficult, namely:--the probabilities of the steps leading to the undesired...

Relation entre le pouvoir toxique et le pouvoir antigene des toxines diphterique et tetanique

Darwin et la socialit\'e : entre anthropomorphisme et gradualisme

We propose, in this article, an analysis of the Darwin’s approach to sociality. Sociality is perfectly integrated into the selective model, and is caused by the same process as struggle for existence. Thus, the selective process does not prohibit demonstrating cooperation, but on the contrary, explains it. We will see that the unification of sociality, in a more adequate representation to mamma...