An interesting piece in the New York Times which shows the persistence of some life forms, and the importance of earthworms.
Previously, permafrost would have precluded the existence of earthworms, which act to mix up soil materials and aerate it. The thawing permafrost is now being colonised by worms, and some of them have been rather long lasting in waiting for this moment...
More on earthworms elsewhere on the blog...
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