This article analyzes the power of ambiguous metaphors to present scientific novelty. Its focus is a series of papers by the prominent population biologist W. D. Hamilton in which he redefined the meaning of biological altruism. In particular, the article draws on Kenneth Burke's dramatistic pentad to examine why suggestions of motive are so…

Discusses the work of two U.S. ecologists of the first half of the twentieth century. Suggests that the structures of scientific narratives resemble structures of other cultural narratives. Asserts that presence of these competing stories about ecological data calls attention to the importance of narrative as an interpretive and rhetorical…

Discusses two sets of neurological case histories: A. R. Luria's "The Man with a Shattered World," and Oliver Sack's "Awakenings." Argues that these histories display two paradigmatic explanations for the mind/brain relation, and that the movement from one paradigm to another also necessitates a movement to different forms of discourse. (MM)

Discusses interdisciplinary writing as a recasting of disciplinary boundaries insofar as it negotiates the borders between the various disciplinary rhetorics involved. Explores the work of S. E. Jelliffe, a prominent physician-writer, as a prime example of a boundary rhetoric. (HB)