The aim of this paper is to explain why Statistical Physics can help understanding two related linguistic questions. The first question is how to model first language acquisition by a child. The second question is how language change proceeds in time.

De plus en plus de villes moyennes investissent dans des transports collectifs en site propre, c'est le cas de l'agglomération de Dijon qui mettra en service ces deux premières lignes de tramway à l'horizon 2013. Rapportée à la taille de l'agglomération, l'étendue du tracé est très...

Microalgae are considered as one of the potential major source of biofuel for the future. However, their environmental benefit is still unclear and many scientific publications provide contradictory results. Here we perform the Life Cycle Assessment of the production and combustion of 1 MJ of...