Abstract Submission for the Fall 2013 246th American Chemical Society National Meeting & Exposition themed the "Chemistry in Motion" is now open. Deadlines for papers begin March 18, 2013. The meeting will be held in Indianapolis, IN, September 8-12, 2013. We encourage you to present to your peers and participate. Read an excerpt of theme synopsis by Professor Robert A. Weiss, Indianapolis Thematic Program Chair and more complete listing of Division contacts and deadlines.