Tuesday, Aug. 6

Join Dr. Catherine Mitchell, at 5 p.m. at the Opera House, as she dives into how she uses satellites to understand the global ocean and the ways our climate is changing it. Register for free at bigelow.org/cafesci. Questions? 207-315-2567 x103. Doors open at 4:30. Refreshments available at the cash only bar. 86 Townsend Ave., Boothbay Harbor.