ON METAPHOR: Reciprocity and Immunity

My reading of David Napier's article foregrounds or highlights (1) a key scientific “discovery” or observation; (2) the history of shifting high level metaphors as key new biological mechanisms are apprehended; (3) three key contemporary problems in immunological biology identified by Napier (transplantation, tumor immunology, autoimmune diseases); and (4) the ways in which popular culture takes up new scientific terminologies as folk “philosophemes” or cultural components for apprehending sociocultural change