 And from the John S. and James L. Knight Foundation, helping NPR advance journalistic excellence in the digital age. ThruLine is made possible by listeners like you and by MDI Biolab, with an evening of hands-on science for all ages, Thursday, July 11th in Bar Harbor. More at mdibl.org. Booth Bay Boat Rental, a division of Hodgton Yacht Services, offering daily and multi-day powerboat rentals. Online booking...