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Science & Medicine

Arctic Sinkholes

NOVA Now by GBH

Mar 31, 202616:37Science & Medicine

What happens when the Arctic’s ancient freezer starts to fail? Scientists have uncovered the truth behind giant sinkholes exploding from the frozen ground in Siberia, and a vast lake bubbling with methane in Alaska .They...

About This Episode

Arctic Sinkholes is an episode from NOVA Now by GBH. What happens when the Arctic’s ancient freezer starts to fail? Scientists have uncovered the truth behind giant sinkholes exploding from the frozen ground in Siberia, and a vast lake bubb...

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Published Mar 31, 2026, 16:37 long, audio available.

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