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04:33
[ES Subs] ScienceCast 109 | The "Sleeping Giant" in Arctic Permafrost HD
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B2
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![[ES Subs] ScienceCast 109 | The "Sleeping Giant" in Arctic Permafrost HD](https://thumbnail.voicetube.com/w/480/h/270/iXs7yylmJas.jpg)