" Until the discovery of hydrothermal vents off the Galápagos Islands in 1977, scientists assumed that life on earth was photosynthetic and belonged to the surface. It was the other way around: photosynthetic life came later, when cells strayed to the top where they were cooked for millions of years before evolving a way to absorb the light, and all the while the chemosynthetic life in the abyss was evolving a stability we cannot hope for. "
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