Five-year-old Evelyn Lessner of Boothbay dresses up as Bigelow Laboratory founder Henry Bryant Bigelow on July 19 with assistance from summer interns from left, Jose Orozco-Juarve, Anna Zeleny and Mariah Ricci during an open house tour. BILL PEARSON/Boothbay Register
Brothers Oliver, left, and Austin learn about ocean acidification July 19 during a tour of Bigelow Laboratory. BILL PEARSON/Boothbay Register
Kids learn about water density by comparing fresh and salt water sources. BILL PEARSON/Boothbay Register
In a July 19 presentation at Bigelow Laboratory’s open house, visiting scientist Krisanne Baker discusses how phytoplankton are responsible for a sustainable atmosphere. BILL PEARSON/Boothbay Register
At Bigelow Laboratory’s open house July 19, a scientist demonstrates how to extract DNA from a strawberry. BILL PEARSON/Boothbay Register