WHAT: Azeez Butali, an assistant professor of oral pathology, radiology, and medicine in the University of Iowa College of Dentistry and co-founder and CEO of the non-profit organization Health Trends, will hold the international unveiling of a new app that helps seeks to lower the mortality rate of children 5 and under in Nigeria. WHEN: A media event is planned for 12 p.m. Nigerian time (6 a.m. U...