Geologist and social worker James Pierson of Mattapoisett gave a hands-on presentation about minerals and fossils to youngsters on March 16 at the Marion Natural History Museum under the direction of Liz Leidhold. The afterschool program is one of several being offered by the museum, an institution now celebrating its 150th anniversary. To learn more about programs for the young and young at heart visit marionmuseum.org. Photos by Marilou Newell