Carolyn Johnsen teaches science writing in the College of Journalism and Mass Communications at the University of Nebraska–Lincoln. She is the author of Raising a Stink: The Struggle over Factory Hog Farms in Nebraska, available in a Bison Books edition. Contributors: David Ehrenstein, Leslie Fink, John Janovy Jr., Kristine Kelly, Warren Leary, Stacey Pasco, Sidney Perkowitz, Boyce Rensberger, Margaret Wertheim, Gene Whitney, Eddy Von Mueller, and Abby Vogel.