June 7, 2015Uncategorized Leave a comment I.C.A.D. Day Seven–Periodicity Today’s prompt was “The Periodic Table.” Here are two twists on one card. Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading... Related artelephantsGary BowersIndex Card A DayPeriodic Tableperiodontics