A few hours from Seattle at a location that can only be reached by boat, marine scientists at University of Washington's Friday Harbor lab are breeding and studying endangered sunflower sea stars following a massive die-off over the past decade.
The scientists have also brought 16 adult sunflower sea stars from the wild into their lab, but it's more difficult to discern their age.
The university and grant-funded field station in the northern waters of Puget Sound have undertaken the new study in collaboration with the college's neuroscience's department, to determine if echinoderms are being affected by warming waters. While Weertman studies the sea stars' behavior, he uses four cameras to focus on the movements and the timing of how they move. He then uses the videos to create three-dimensional renderings of the stars that can be studied for the slightest of changes under different variables.
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