SMRTR Science & EngineeringDec 1, 2025Nautilus

Tiny Volcano-Dwelling Creature Breaks Heat Record

SMRTR summary

Scientists discovered a microscopic amoeba in Lassen Volcanic National Park's hot springs that thrives at temperatures up to 145°F, making it the most heat-tolerant complex organism on Earth. This fire amoeba possesses special genetic mechanisms including heat-shock proteins and enhanced DNA repair systems that allow it to survive extreme conditions where other complex life forms would perish.

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