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    ‘Fire amoeba’ reportedly reproduces at 63°C, setting a heat record for complex life

    NDTV Profit reports that the amoeba was found in California’s Lassen Volcanic National Park. NASA says the discovery could broaden the search for habitable worlds.

    ScienceAlertSC
    New ScientistNS
    Science NewsSN
    45 Sources, 22d ago, first seen 22d ago

    TLDR

    NASA says researchers it supported found the first known eukaryote able to reproduce at 63°C (145°F). Science News identifies the organism as Incendiamoeba cascadensis and explains that eukaryotes are a domain of life that includes plants and animals. Phys.org reports that the amoeba can grow and divide above the long-recognized 60°C limit for complex cells, and that its heat defenses may involve unusual protein stability.

    Combined views

    1.4M

    45 Sources, first seen 22d ago

    9.6K likes304 comments1.2K saves1.3K reposts

    Combined views

    1.4M

    45 Sources, first seen 22d ago

    9.6K likes304 comments1.2K saves1.3K reposts

    Sentiment

    Positive50.2%49.8%Negative

    Summary

    Many accounts welcomed the fire amoeba discovery for showing how life can endure extreme heat and hinting at possibilities beyond Earth, while others dismissed it as another unhelpful NASA finding lacking practical value.

    Based on 55 sentiment-bearing replies from 47 accounts across 11 conversations.

    Featured Source

    Sentiment

    Positive50.2%49.8%Negative

    Summary

    Many accounts welcomed the fire amoeba discovery for showing how life can endure extreme heat and hinting at possibilities beyond Earth, while others dismissed it as another unhelpful NASA finding lacking practical value.

    Based on 55 sentiment-bearing replies from 47 accounts across 11 conversations.

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    Credit: NASA

    45 Sources

    ScienceAlert@ScienceAlert"Pushes the bounds of what we thought was possible." https://www.sciencealert.com/volcanic-springs-amoeba-survives-63-c-setting-a-new-heat-record-for-complex-life #ScienceNews #ScienceAlert #ScienceDiscoveries #StayCurious22d
    New Scientist@newscientistFire amoeba breaks heat tolerance record for complex life https://www.newscientist.com/article/2590054-fire-amoeba-breaks-heat-tolerance-record-for-complex-life/?utm_term=Autofeed&utm_campaign=echobox&utm_medium=social&utm_source=Twitter#Echobox=179008932722d
    Science News@ScienceNewsA single-celled blob living in a California hot spring has smashed a heat tolerance record for an entire domain of life. https://www.sciencenews.org/article/fire-amoeba-record-breaking-heat22d
    George Obeid@_GeorgeobeidScientists Just Found an Amoeba Living Happily at 63°C (145°F) Hot Enough to Badly Scald you — and Named it the 'Fire Amoeba.' It Just Broke the Heat Record for Complex Life on Earth. #DiebO37 #Biology #Science #Nature #Evolution #Volcano https://www.sciencealert.com/volcanic-springs-amoeba-survives-63-c-setting-a-new-heat-record-for-complex-life22d
    News from Science@NewsfromScienceThis so-called fire amoeba may survive in volcanic lakes thanks to a static blanket that shields its proteins from the heat. https://scim.ag/3V0KXLP22d
    Elysia Segal@elysiasegalNASA-Funded Research Finds Complex Life Defying Record Heat: NASA-supported scientists have discovered an organism that lives at extreme temperatures previously thought impossible for complex life. High temperatures can cause the destruction of necessary… https://ift.tt/qnXvTPe22d
    NASA Solar System@NASASolarSystemA tiny amoeba broke complex life’s heat record and could broaden the search for habitable worlds. 🔥 NASA-supported researchers found the first known eukaryote able to reproduce at 145°F (63°C), hotter than scientists thought complex cells could withstand. https://go.nasa.gov/4hg7prz22d
    Phys.org@physorg_comA newly named amoeba can grow and divide at 63°C, exceeding the long-recognized 60°C limit for complex cells; its heat defenses may involve unusual protein stability. [link] @CellCellPress https://phys.org/news/2026-09-hot-amoeba-tolerance-complex-life.html?utm_source=twitter.com&utm_medium=social&utm_campaign=v222d
    XPRESS@Xpress_24_7🔥 LIFE JUST BROKE ITS OWN HEAT LIMIT. Scientists have identified a tiny amoeba capable of reproducing at an astonishing 145°F (63°C) — the highest temperature ever recorded for a eukaryote. The organism, Incendiamoeba cascadensis, is rewriting what we thought complex cells could survive. And that raises a much bigger question: If life on Earth can thrive beyond limits we once considered impossible… where else could we be looking for it? 🌍🪐 Follow @Xpress_24_7 for more #Science #Space #Astrobiology #NASA22d
    Polymarket@PolymarketBREAKING: NASA-funded scientists discover a “fire amoeba” that can reproduce at 145°F, shattering the known heat limit for eukaryotic life.22d
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    45 Sources

    ScienceAlert@ScienceAlert"Pushes the bounds of what we thought was possible." https://www.sciencealert.com/volcanic-springs-amoeba-survives-63-c-setting-a-new-heat-record-for-complex-life #ScienceNews #ScienceAlert #ScienceDiscoveries #StayCurious22d
    New Scientist@newscientistFire amoeba breaks heat tolerance record for complex life https://www.newscientist.com/article/2590054-fire-amoeba-breaks-heat-tolerance-record-for-complex-life/?utm_term=Autofeed&utm_campaign=echobox&utm_medium=social&utm_source=Twitter#Echobox=179008932722d
    Science News@ScienceNewsA single-celled blob living in a California hot spring has smashed a heat tolerance record for an entire domain of life. https://www.sciencenews.org/article/fire-amoeba-record-breaking-heat22d
    George Obeid@_GeorgeobeidScientists Just Found an Amoeba Living Happily at 63°C (145°F) Hot Enough to Badly Scald you — and Named it the 'Fire Amoeba.' It Just Broke the Heat Record for Complex Life on Earth. #DiebO37 #Biology #Science #Nature #Evolution #Volcano https://www.sciencealert.com/volcanic-springs-amoeba-survives-63-c-setting-a-new-heat-record-for-complex-life22d
    News from Science@NewsfromScienceThis so-called fire amoeba may survive in volcanic lakes thanks to a static blanket that shields its proteins from the heat. https://scim.ag/3V0KXLP22d
    Elysia Segal@elysiasegalNASA-Funded Research Finds Complex Life Defying Record Heat: NASA-supported scientists have discovered an organism that lives at extreme temperatures previously thought impossible for complex life. High temperatures can cause the destruction of necessary… https://ift.tt/qnXvTPe22d
    NASA Solar System@NASASolarSystemA tiny amoeba broke complex life’s heat record and could broaden the search for habitable worlds. 🔥 NASA-supported researchers found the first known eukaryote able to reproduce at 145°F (63°C), hotter than scientists thought complex cells could withstand. https://go.nasa.gov/4hg7prz22d
    Phys.org@physorg_comA newly named amoeba can grow and divide at 63°C, exceeding the long-recognized 60°C limit for complex cells; its heat defenses may involve unusual protein stability. [link] @CellCellPress https://phys.org/news/2026-09-hot-amoeba-tolerance-complex-life.html?utm_source=twitter.com&utm_medium=social&utm_campaign=v222d
    XPRESS@Xpress_24_7🔥 LIFE JUST BROKE ITS OWN HEAT LIMIT. Scientists have identified a tiny amoeba capable of reproducing at an astonishing 145°F (63°C) — the highest temperature ever recorded for a eukaryote. The organism, Incendiamoeba cascadensis, is rewriting what we thought complex cells could survive. And that raises a much bigger question: If life on Earth can thrive beyond limits we once considered impossible… where else could we be looking for it? 🌍🪐 Follow @Xpress_24_7 for more #Science #Space #Astrobiology #NASA22d
    Polymarket@PolymarketBREAKING: NASA-funded scientists discover a “fire amoeba” that can reproduce at 145°F, shattering the known heat limit for eukaryotic life.22d
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