Have you ever wondered what happens in that unusual building with the tent-like roof at the Inner Harbor? Science happens! The Institute of Marine and Environmental Technology opens it doors to the public for a free Open House on Saturday, May 6, 1-4 p.m. to share the research that is happening at the harbor’s edge. Enjoy hands-on activities for kids all ages, meet our scientists, and discover how work being done in Baltimore is helping to change the world.