Investigates the role that ethos takes in the scientific papers of American glacial geologists. Analyzes the rhetorical strategies of five articles spanning the time period from 1839-1988. Discovers a coherent evolution of rhetorical strategies over this time period. (HB)

Discusses the typical form and content of 40 theoretical scientific papers chosen from the most-cited papers in the "Science Citation Index." Demonstrates that the form of these papers is similar to that of experimental and methods papers but that the content differs substantially. (HB)

Argues that an understanding of professional and popular science writers' goals provides a basis for both explaining and evaluating their language use. Suggests that charges normally made against both types of writing deflect attention from the obstacles writers face and the ways in which they use language to overcome these obstacles. (KEH)