In 1977, scientists aboard Knorr made one of the most profound discoveries of the 20th century. They unexpectedly found lush communities of animals and microbes thriving without sunlight around hydrothermal vents on the seafloor in the Galpagos Rift.

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In 1977, scientists aboard Knorr made one of the most profound discoveries of the 20th century. They unexpectedly found lush communities of animals and microbes thriving without sunlight around hydrothermal vents on the seafloor in the Galpagos Rift.

© San Francisco Chronicle

In 1977, scientists aboard Knorr made one of the most profound discoveries of the 20th century. They unexpectedly found lush communities of animals and microbes thriving without sunlight around hydrothermal vents on the seafloor in the Galpagos Rift. photo copyright San Francisco Chronicle taken at and featuring the class

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