US National Academy of Sciences Reference Libraries
The Proceedings of the National Academy of Sciences of the United States of America (PNAS) is a peer-reviewed scientific journal established in 1914 as the official journal of the US National Academy of Sciences. The first managing editor of the journal was mathematician Edwin Bidwell Wilson. As of May 2012, the editor-in-chief is Inder M. Verma. PNAS is published weekly in print, and daily...
- a study of the individuals in a group of people within a specific context and their relationships.
- In rhetoric, the description of any one's personal appearance.