CodaThis issue of the Journal, the last to be produced by the editorial staff in Austin, is remarkable only in the sense that each issue of this Journal is remarkable. In it teachers of chemistry share information, advice, and ideas that encompass a range as wide as chemistry itself. The Journal has always been a venue where the only important thread of commonalty was the goal of helping teachers--providing a "living textbook of chemistry", as it was dubbed by its founders. This textbook is different, however--it is written by its own readers and it has a new "edition" each month. This month's edition typifies the range of topics and issues found important by our readers (and authors): information about new ideas and research advances, new ways to look at and present the information we have, experiments and demonstrations to give students a first-hand exposure to chemistry, computer exercises to introduce those things that cannot be (or are too dangerous to be) presented first-hand, and ideas for better teaching techniques and classroom organization.With such a purview, it is no wonder that the articles in this issue range from the second law of thermodynamics (Frohlich, page 716) to building a Tesla coil from a car coil (Hall and Battino, page 817) and touch on such consequential topics as mimicking nature (Dennison and Harrowven, page 697) and the search for a silicon-based LED (Swisher, Richmond, and Sercel, page 738).New information about research is represented by part III of the series on electrospray ionization mass spectrometry (Hop and Bakhtiar, page A162). Senozan and Devore (page 767) look at data already long known about carbon monoxide poisoning and present a more subtle and complex explanation of the process than is usually seen in introductory texts. A really new way of looking at what we already know is the unique approach that Ginebreda (page 708) takes to waste recovery, applying the formalisms of thermodynamics to economic considerations.Giving students a first-hand exposure to chemical concepts is not always easy. The plasma state is certainly not readily available for classroom illustration; however, Schreckenbach and Rabending (page 782) have devised a simple experimental setup to demonstrate it. The results are shown on this month's cover.The laboratory is the subject of many articles in every issue of this Journal; teachers want their students to do more than repeat the same cookbook instructions, from which they learn little about the research experience. This concern is reflected in Black's description (page 776) of how her school introduced a scientific inquiry experiment into a large general chemistry class and in the laboratory curriculum based on everyday chemical processes, such as brewing and cheesemaking, that was designed by Roberts, Selco, and Wacks (page 779).Teachers struggle continually to present the complex and abstract concepts of chemistry to students in ways that enhance their learning. This struggle results in suggestions for better ways to organize courses and their content such as the Project REMODEL program described by Nakhleh, Lowrey, and Mitchell (page 758) and Ordman's (page 753) course in practical skills in the scientific literature for undergraduates.Taken together this small sample of articles from this issue represents the breadth and depth of the interests of chemistry teachers and the Journal's role in meeting those interests.
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