The film included footage, research, and stories from the deep-sea Alvin expeditions of Lutz and his colleagues. Scientists use the deep-water submersible DSV Alvin to search for an animal, the paleodictyon nodosum, that produces a honeycomb patterned fossil called a Paleodictyon, near volcanic vents that lie 3500 meters (12,000 feet) underwater in the Mid-Atlantic Ridge.
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