The Hidden Perils of Permafrost
Season 1 Episode 4 | 3m 11s
Mysterious bacteria lay dormant in the Arctic permafrost.
Aired: 09/30/15
Expires: 10/01/20
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Season 1 Episode 4 | 3m 11s
Mysterious bacteria lay dormant in the Arctic permafrost.
Aired: 09/30/15
Expires: 10/01/20
Video has closed captioning.