(
American Chemical Society) Journalists who register for the American Chemical Society's (ACS') Spring 2019 National Meeting & Exposition in Orlando will have access to nearly 13,000 presentations on the meeting's theme, 'Chemistry for New Frontiers,' and many more topics, including food, nutrition, medicine, health, space science, energy and the environment. The meeting, one of the largest scientific conferences of the year, will be held March 31-April 4 in Orlando.