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Clay subsoil at Earth’s driest place may signal life on Mars – Phys.org

Earth’s most arid desert may hold a key to finding life on Mars.

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Earth’s most arid desert may hold a key to finding life on Mars.
Diverse microbes discovered in the clay-rich, shallow soil layers in Chile’s dry Atacama Desert suggest that similar deposits below the Martian surface may contain microorganisms, which could be easily found by future rover missions or landing craft.
Led by Cornell University and Spain’s Centro de Astrobiología, scientists now offer a planetary primer to identifying microbial markers on shallow rover digs in Martian clay, in their…

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