Sentences with phrase «when hydrothermal vents on the ocean floor»
Forty years ago when hydrothermal vents on the ocean floor were first discovered, scientists were amazed to find life where no sunlight penetrated, feeding off of sulfur gases.
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He has done similar work aboard ships, rocking and swaying high above hydrothermal vents on the ocean floor, when he wasn't in the submersible itself, exploring the steaming depths.