In this episode, Harini explains the importance of permafrost and how this frozen slurry of soil, rocks, and sand is the guardian of millennia-old bacteria, fungi, and viruses! Permafrost has become a greater topic of public interest as concerns around climate change and the reduction of our greater carbon footprint have intensified within the last decade. Is the permafrost melting and, if so, how fast? And what mysteries of the deep are finally coming to surface?

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