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'Underground Galapagos' excites scientists

Diverse underground ecosystems buried deep beneath the Earth's crust may offer clues to the origins of life on Earth, several recent studies have revealed. Whether it is tiny worms found wriggling in the depths of a South African mine or micro-organisms discovered six kilometers (3.7 miles) under the surface in China, subterranean life forms are found everywhere. "We are making incredible discoveries about the nature and distribution of deep microbial life," said Robert Hazen, executive director of the Carnegie Institution's Deep Carbon Observatory geophysical laboratory.
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