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Hydrogen and Methane Sustain Unusual Life at Sea Floor's 'Lost City' The hydrothermal vents at the ocean bottom were miles from any location scientists could have imagined. One massive seafloor vent was 18 stories tall. All were creamy white and gray, suggesting a very different composition than the hydrothermal vent systems that have been studied since the 1970s.Scientists who named the spot Lost City knew they were looking at something never seen before when the field was serendipitously discovered in Dec. 2000, during a National Science Foundation (NSF) expedition to the mid-Atlantic.This week in the journal Science, researchers publish for the first time findings about the gases produced at Lost City and the organisms that live off of them.
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