The Connecticut Science Center in Hartford marks Memorial Day with free general admission for military and first-responders on Saturday and Sunday, May 24 and 25. Active-service, reserve and retired military as well as active and retired firefighters, EMS and police officers can visit at no charge, and immediate family members accompanying service personnel get half-off general admission. Movies and parking fees not included. ID required. Information: www.ctsciencecenter.org or 860-SCIENCE.