Language and science: products and processes of signification in the educational dialogue, Martin Dodman, Elena Camino, Giuseppe Barbiero On the Problem and Promise of Metaphor Use in Science and Science Communication, Cynthia Taylor and Bryan M. Dewsbury Using Blogs to Improve Elementary School Students’ Environmental Literacy in Science Class, Fatih Saltan and Omer Faruk Divarci Case study of a successful learner’s epistemological framings of quantum mechanics, Vesal Dini and David Hammer