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Body temperature stays steady even as the air grows dangerously thin. Before pressure falls too far, the skin's surface shows nothing unusual. As altitude nears the Armstrong limit, air thins enough that normal water boils at body temperature. At that limit, a water bead hisses and shatters into tiny droplets, spraying mist into the thin atmosphere. Homo sapiens at this height feel moisture on exposed skin evaporate and boil away. Above this point, the environment is unsafe for humans because pressure is too low for liquid water to remain on the body. Follow for one real science fact every day.

Topic: Blood Boiling

Created: 2026-03-08 10:05:20

Confidence: 90%

Notes: [{"claim": "Follow for one real science fact every day", "explanation": "The phrase 'blood boiling' is often used metaphorically to describe intense anger, but scientifically, blood does not literally boil inside the human body under normal or even extreme physiological conditions. Blood boils at around 100\u00b0C (212\u00b0F) at standard atmospheric pressure, but the human body maintains a temperature near 37\u00b0C (98.6\u00b0F) and is under pressure from the circulatory system, preventing boiling. Claims suggesting blood can boil inside the body are typically exaggerations or misunderstandings of medical phenomena such as decompression sickness or extreme hyperthermia. | Concerns: The claim could mislead viewers into believing that blood can boil inside the body under normal circumstances, which is false. It may also cause confusion about medical conditions related to pressure changes or heat exposure.", "confidence": 0.9}]