Open to all registrants Browse interactive tabletop exhibits, learn about cool science jobs, and have your questions answered by experts convened by AAAS. This free event is open to all, but organized especially for middle- and high-school students. All events will take place Saturday and Sunday, 20-21 February. This community science showcase—featuring hands-on demonstrations and other family and kid-friendly activities—shines a spotlight on a broad range of formal and informal science educators who promote an interest in science among the general public. It is a FREE event for the general public, and it is one of our most popular.