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A scientist works Tuesday in an above-ground version of the laboratory to be opened 4,850 feet beneath the earth in Lead, S.D. The lab's experiments will include the world's most sensitive dark-matter detector. Scientists say that the Sanford Underground Research Facility -- housed inside the now-shuttered Homestake Gold Mine -- could help scientists understand the origins of the universe.

South Dakota gold town becomes scientific hub

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LEAD, S.D. (AP) -- Nestled nearly 5,000 feet beneath the earth in the gold boom town of Lead, S.D., is a laboratory that could help scientists answer some pretty heavy questions about life, its origins and the universe.


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