as a much better approach to looking at what nature of science is (ontologically and epistemologically) and how to teach it, than what has been, say, all the rage as many current instruments , such as the VNOS...
I am willing to discuss my views and experiences with those interested.
Glenn Dolphin, PhD
Tamaratt Teaching Professor
University of Calgary
Department of Geoscience
Earth Science 118
2500 University Drive NW,
Calgary, Alberta, Canada, T2N 1N4