Mohamed Sahnouni, coordinator of the Prehistoric Technology Program at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), leads a study, published online in the journal L’Anthropologie, using fossil fauna and carbon stable isotope to reconstruct paleoenvironments of the newly discovered site of El Kherba (Algeria) dated to 1.7 million years ago, in relation with hominid behavioral activities.