Duke University in Durham, N.C., is upgrading the toilet paper in some of its academic buildings. The Raleigh News & Observer says housekeeping staff have begun outfitting West Campus academic buildings with two-ply toilet paper, replacing one-ply rolls as they run out. Two-ply will be more cost effective and provide a better quality paper for Duke community members, Officials say. Duke also is upgrading bathroom towel dispensers. Facilities with multi-fold paper towel dispensers will have hands-free dispensers installed.