Microbes that feast on crushed rocks thrive in Antarctica’s ice-covered lakes

Microbes living in an ice-covered lake in Antarctica are feasting on crushed rocks, scientists have actually found. And the little animals are prospering. 

Subglacial lakes are bodies of freshwater, a bulk of which are discovered in Antarctica, caught in between Earth‘s crust, or bedrock, and thick sheets of ice — often a number of miles thick. These lakes are bristling with varied microbes that feed off nutrients in the water. However, previously scientists were not sure precisely where these nutrients originated from. 

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