White chimneys at the Champagne vent site, NW Eifuku volcano. Notice the bubbles in the upper left side of the image. Image courtesy of the Pacific Ring of Fire 2004 Expedition (NOAA Office of Ocean Exploration, Dr Bob Embley).
This week: Our last regular Round-Up of 2025! Featuring deep-sea mining impacts, cold seep methane emissions, and a new order of sponges.
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