Pas besoin de motiver un rat par une récompense pour qu’il se donne la peine de libérer un congénère emprisonné dans un piège. Au bout de quelques jours, le rat laissé libre trouve la solution pour ouvrir la petite cage qui retient son compagnon prisonnier. Même s’il peut manger une portion de chocolat pendant que son congénère est coincé, le
Utiliser l’odorat des rats géants pour détecter les mines anti-personnelles : l’activité de l’ONG belge Apopo paraît saugrenue mais elle fonctionne à merveille au Mozambique et en Tanzanie, avant l’Angola, très prochainement. (…) Les tests sur les rats ont été très concluants. Selon Jared Mkumbo, dresseur de rats en Tanzanie :« Les rats sont intelligents. Ils aiment apprendre de nouvelles
Un chercheur de l’Université McGill de Montréal et des collaborateurs internationaux ont modifié les gènes d’un rat; créant ainsi le modèle idéal pour l’étude de la maladie d’Alzheimer chez l’humain.
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