Primeval Greenland lake found buried beneath a mile-thick slab of ice

Scientists have discovered an ancient lakebed buried under more than a mile of ice that may hold secrets to Greenland’s past climate. 

The lake formed when northwest Greenland was ice-free, sometime between hundreds of thousands or even millions of years ago. Given Greenland’s rapid melt today, the lake could reveal something about the Arctic’s future as the ice caps shrink. 

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