Cast & Crew
Adam M Eisenberg
Documentary exploring the hundreds of species of life that thrive in total darkness at the hydrothermal vents along the Mid-Ocean Ridge, several miles below the ocean surface. Little food filters down from the surface and there is no sunlight to support photosynthesis. The organisms support themselves by a process known as chemosynthesis, where chemicals from the earth's interior react with seawater to support bacteria that form the basis of a food chain. In order to obtain samples and study the system in detail, scientists used a state-of-the-art, three-person, underwater submersible named Alvin, which can dive to depths of 14,764 feet.