‘Vast
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Science & Technology
New Clues Suggest Mars Once Had a Vast Northern Ocean
Clues hidden in Martian rock suggest the red planet may have once hosted an ocean. Earth’s own ancient rivers are…
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Health
Untapped Groundwater Offers Vast Potential, U.N. Says
Untapped groundwater resources have “vast potential,” the U.N.’s cultural agency said Monday, potentially alleviating demand for ever-scarcer water supplies across…
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