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Geologists have unearthed the oldest fossils ever discovered, chunks of quartz that contain tiny tubes and filaments left behind by microorganisms between 3.77 and 4.3 billion years ago. The fossils were discovered in the Nuvvuagittuq Supracrustal Belt (NSB) on the coast of Hudson Bay in the northern reaches of Canada's Quebec province. [Source: Popular Mechanics]
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