A scientist at NASAs Jet Propulsion Laboratory, adjusts an experiment that simulates how ancient seawater and fluid from hydrothermal vents could have reacted with minerals from the seafloor to create organic molecules.

Lauren White, a scientist at NASA's Jet Propulsion Laboratory, adjusts an experiment that simulates how ancient seawater and fluid from hydrothermal vents could have reacted with minerals from the seafloor to create organic molecules 4.5 billion years ago. The image was taken at JPL in 2014.

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