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Fin d'un mytheCercles de fées : un botaniste révèle les raisons de leur mystérieuse formation
Une équipe de chercheurs dirigée par l'Allemand Norbert Jürgens vient de découvrir une explication plausible à l'énigmatique formation des "cercles de fées" tracés sur le sol des prairies africaines.
29 mars 2013