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  2. Leidenfrost effect - Wikipedia

    en.wikipedia.org/wiki/Leidenfrost_effect

    Leidenfrost droplet Demonstration of the Leidenfrost effect Leidenfrost effect of a single drop of water. The Leidenfrost effect is a physical phenomenon in which a liquid, close to a solid surface of another body that is significantly hotter than the liquid's boiling point, produces an insulating vapor layer that keeps the liquid from boiling rapidly.

  3. Cold and heat adaptations in humans - Wikipedia

    en.wikipedia.org/wiki/Cold_and_heat_adaptations...

    Sufficient stress from extreme external temperature may cause injury or death if it exceeds the ability of the body to thermoregulate. Hypothermia can set in when the core temperature drops to 35 °C (95 °F). [2] Hyperthermia can set in when the core body temperature rises above 37.5–38.3 °C (99.5–100.9 °F).

  4. Diving reflex - Wikipedia

    en.wikipedia.org/wiki/Diving_reflex

    In humans, the diving reflex is not induced when limbs are introduced to cold water. Mild bradycardia is caused by subjects holding their breath without submerging the face in water. [ 10 ] [ 11 ] When breathing with the face submerged, the diving response increases proportionally to decreasing water temperature. [ 8 ]

  5. Cold hands are common in winter. When are they a sign of a ...

    www.aol.com/lifestyle/cold-hands-common-winter...

    Along with hypothyroidism, which impacts your body’s metabolism and can make you feel cold, Raynaud’s disease is another common cause of chilly hands. “This condition commonly occurs in ...

  6. Human thermoregulation - Wikipedia

    en.wikipedia.org/wiki/Human_thermoregulation

    Simplified control circuit of human thermoregulation. [8]The core temperature of a human is regulated and stabilized primarily by the hypothalamus, a region of the brain linking the endocrine system to the nervous system, [9] and more specifically by the anterior hypothalamic nucleus and the adjacent preoptic area regions of the hypothalamus.

  7. Cold shock response - Wikipedia

    en.wikipedia.org/wiki/Cold_shock_response

    The diving reflex is a set of physiological responses that occur in response to cold water immersion, particularly when the face or body is exposed to cold water. It is an evolutionary adaptation that helps mammals , including humans, manage the challenges of being submerged in cold water.

  8. Why wine bottles are sealed with cork -- and why that ... - AOL

    www.aol.com/lifestyle/2016-02-27-why-wine...

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  9. Hypothermia - Wikipedia

    en.wikipedia.org/wiki/Hypothermia

    A water temperature of 10 °C (50 °F) can lead to death in as little as one hour, and water temperatures near freezing can cause death in as little as 15 minutes. [37] During the sinking of the Titanic, most people who entered the −2 °C (28 °F) water died in 15–30 minutes. [38]