The glacier ice worm Mesenchytraeus solifugus might look unremarkable, but it is an extraordinary animal. Above all, it's extraordinary in where it lives: on and in glaciers. It is one of a tiny handful of non-microscopic animals that can not only tolerate but require glacial ice to survive ...

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Music by Audionautix and Daniel Birch and Meydän. All licensed under Creative Commons Attribution.

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