REGIONAL INVENTION EXHIBIT Dr. Anthony Sales, regional director of the Department of Science and Technology (DOST) announces the biennial Regional Invention Contests and Exhibits (RICE) 2013 to be held on November 19 to 21 at SM City Davao that will feature inventions from professionals and students on designs in science, techonology, engineering, health and environment. (davaotoday.com photo by Medel V. Hernani)