Antarctic's Ice Shelves Melting From the Bottom Up - antarctic ice bottom up

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Scientists are surprised to learn that the planet's biggest ice sheet is growing from the bottom up as well as the top down.

Researchers working in Antarctica have found evidence of large-scale ice making at the bottom of that continent's massive ice sheets.

But new research finds that there's another weight-loss program at work—many of Antarctica's ice shelves are melting away from the bottom up.

A new study suggests some of Antarctica's ice sheet grows from the bottom up, adding a new wrinkle to efforts to predict how the continent's.