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Key points The Metals Company is developing hardware and software to monitor its polymetallic nodule collection activities, with plans for the public to view the operations online. The monitoring system works like guard rails on a highway, defining an area of operation the company considers…

Key points Expedition 5C sampled biological communities, organic flux and food web structure from the ocean surface down to the benthic boundary layer above the abyssal seafloor. Researchers conducted the deepest pelagic biota sampling ever performed, reaching depths of 4,000 meters in the…

Key points Polymetallic nodules in the Clarion Cliffton Zone of the Pacific Ocean contain nickel, cobalt, copper, and manganese; a water jet flow lift system collects them while separating and returning seafloor mud. Collected nodules travel via compressed air bubbles through a steel pipe to…

Key points The Metals Company’s processing pilot campaign converts seafloor polymetallic nodules into an alloy containing critical battery metals.

Key points The vessel, a former drill ship acquired and renamed Hidden Gem by strategic partner Allseas, has arrived in Rotterdam. It will undergo conversion into what is expected to be the first ship classified as a sub-sea mining vessel. The ship is intended to recover polymetallic nodules…