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Journals and Conferences
quantities in introductory physics. A key part of what an energy representation articulates is what kind of thing energy is (its ontology). The nature of energy is not typically an explicit topic of physics instruction. Nonetheless, the spoken and written discourse of both physics learners and disciplinary experts suggests conceptualizations of energy (Sec.… (More)
A further case of Down's syndrome with additional XYY aneuploidy is reported. The child has been followed for 5 years. It has not been possible to recognise any phenotypical feature which distinguishes the patient from others with Down's syndrome.
The subjects discussed in this paper are the results of an inivestigation pr-inmarily undertaken with a view to (letermining as far as possible some of the biochemical factors underlying, and predisposing to, the various forms of nephritis in children and adults. In the course of our investigations, it soon became evident that the problem resolved itself… (More)