Francis Choi, Senior Lab Technician and Brian Helmuth, Professor of Environmental Science and Public Policy, work in the intertidal by the Marine Science Center in Nahant, Massachusetts on October 01, 2018. Photo by Adam Glanzman/Northeastern University

Palmer Station, Antarctica.

Matt Everett and one of the California Two Spot octopuses held in the Marine Biological Laboratory’s outreach tanks. Photo by Tim Briggs