Current landscapes of curriculum discourse and educational practice are examined by focusing on co-evolutions of metaphors for knowledge, learning and teaching across four prominent 'frames'--namely, Standardized Education, Authentic Education, Democratic Citizenship Education and Systemic Sustainability Education. It is argued that these frames…

One important challenge for researchers is to understand what happens inside classrooms that make the environment available for children's learning. This study develops the margin|centre dialectic as a general framework for describing participation of very young children in science-related activities. It employs a cultural-historical approach that…