At age 7, Sky Heller was captivated digging through a buried trash heap protruding from an eroding bank at her family’s farm in the foothills of Pennsylvania. “When I found out I could do it for a career, I’ve never looked back,” says Heller, now a Ph.D. candidate in anthropology and environmental policy at the read more For Heller, ancient trash heaps hold clues to healthy future fisheries