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They intended to erect their dwellings on top of existing coral, reinforcing steel scaffolding using a patented process that Hilbertz had developed called Biorock, a substance formed by the electro-accumulation of materials dissolved in seawater.

“Even patches of seawater along the shoreline froze,” Hackford recalls, “and it fit Dolores perfectly: a woman totally isolated at the end of the earth, savagely weathered and tough as nails.”

They say it’s not really desalinating seawater in the traditional sense, but rather harvesting fresh water from devices that function like wells in the ocean.

Scientists say subtle differences in the colour of seawater will enable them to count tiny - but critically important - Antarctic marine creatures from Space.

"The wind hit the car and seawater started gushing through in front of me," he said.