◼ Archived Science 🔮 holds ✗ A 9,700-pound drone with 28 lights on it set a 10-inch square down on the seafloor 16,863 feet off American Samoa, scooped out the metal lumps growing inside that square, and bottled the water just above them to test whether a radioactive gas can find mor 4 sources 6 articles v 3 3d ago