describing organisms or organisms' behavior that prefer or are adapted to survive in extremely cold environments.
From Greek 'kryos' (cold) + 'philic' (relating to love of), the adjectival form of 'cryophile' used to describe cold-loving characteristics.
Certain arctic microbes produce special proteins that work like biological antifreeze, allowing them to thrive in conditions that would freeze most other life solid—nature has already solved some of the problems cryonics scientists are trying to tackle.
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