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Scientists Tap 'Secret' Fresh Water Under the Ocean, Raising Hopes For a Thirsty World

Friday September 5, 2025. 10:41 PM , from Slashdot
Scientists Tap 'Secret' Fresh Water Under the Ocean, Raising Hopes For a Thirsty World
A first-of-its-kind global research expedition has extracted freshwater samples from beneath the Atlantic Ocean floor off Cape Cod, documenting a massive aquifer stretching from New Jersey to Maine. The three-month Expedition 501, funded at $25 million by the National Science Foundation and European Consortium for Ocean Research Drilling, drilled up to 1,289 feet into the seabed at sites 20-30 miles offshore.

Samples registered salinity as low as 1 part per thousand -- meeting U.S. freshwater standards -- with some readings even lower. Scientists collected nearly 50,000 liters for laboratory analysis to determine whether the water originates from ancient glacial melt or current terrestrial groundwater systems. The UN projects global freshwater demand will exceed supply by 40% within five years.

Read more of this story at Slashdot.
https://news.slashdot.org/story/25/09/05/160234/scientists-tap-secret-fresh-water-under-the-ocean-ra...

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