La forme des coquilles d’ammonites expliquée par la physique

es ammonites, un groupe de mollusques céphalopodes aujourd’hui éteint, possédaient des coquilles en forme de spirales ondulées à la diversité exceptionnelle et bien connues des amateurs de fossiles. Régis Chirat, chercheur au Laboratoire de géologie de Lyon: Terre, planètes et environnement (CNRS/Université Claude Bernard Lyon 1/ENS de Lyon), et deux collaborateurs de l’Institut de mathématiques de l’université d’Oxford ont développé

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