TED Talks: What’s Hidden Under The Greenland Ice Sheet? by Kristin Poinar

The Greenland ice sheet is massive, mysterious — and melting. Using advanced technology, scientists are revealing its secrets for the first time, and what they’ve found is amazing: hidden under the ice sheet is a vast aquifer that holds a Lake Tahoe-sized volume of water from the summer melt. Does this water stay there, or does [...]

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