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  2. 21 grams experiment - Wikipedia

    en.wikipedia.org/wiki/21_grams_experiment

    When the patients looked like they were close to death, their entire bed was placed on an industrial sized scale that was sensitive within two tenths of an ounce (5.6 grams). [1] [2] [3] On the belief that humans have souls and that animals do not, MacDougall later measured the changes in weight from fifteen dogs after death. MacDougall said he ...

  3. 21 Grams - Wikipedia

    en.wikipedia.org/wiki/21_Grams

    The title refers to an experiment in 1907 which attempted to show scientific proof of the existence of the soul by recording a loss of body weight (said to represent the departure of the soul) immediately following death. Referred to as the 21 grams experiment as one subject lost "three-fourths of an ounce" (21.3 grams), the experiment is ...

  4. API gravity - Wikipedia

    en.wikipedia.org/wiki/API_gravity

    The American Petroleum Institute gravity, or API gravity, is a measure of how heavy or light a petroleum liquid is compared to water: if its API gravity is greater than 10, it is lighter and floats on water; if less than 10, it is heavier and sinks.

  5. List of causes of death by rate - Wikipedia

    en.wikipedia.org/wiki/List_of_causes_of_death_by...

    In 2016, the WHO recorded 56.7 million deaths [3] with the leading cause of death as cardiovascular disease causing more than 17 million deaths (about 31% of the total) as shown in the chart to the side. In 2021, there were approx. 68 million deaths worldwide, as per WHO report.

  6. Mustard gas - Wikipedia

    en.wikipedia.org/wiki/Mustard_gas

    Alternatively, if cell death is not immediate, the damaged DNA can lead to the development of cancer. [2] Oxidative stress would be another pathology involved in mustard gas toxicity. In the wider sense, compounds with the structural element BC 2 H 4 X, where X is any leaving group and B is a Lewis base , are known as mustards .

  7. Animal euthanasia - Wikipedia

    en.wikipedia.org/wiki/Animal_euthanasia

    Animal euthanasia (euthanasia from Greek: εὐθανασία; "good death") is the act of killing an animal humanely, most commonly with injectable drugs.Reasons for euthanasia include incurable (and especially painful) conditions or diseases, [1] lack of resources to continue supporting the animal, or laboratory test procedures.

  8. Cremation - Wikipedia

    en.wikipedia.org/wiki/Cremation

    The final rite in the case of untimely death of a child is usually not cremation but a burial. This is rooted in Rigveda's section 10.18, where the hymns mourn the death of the child, praying to deity Mrityu to "neither harm our girls nor our boys", and pleads the earth to cover, protect the deceased child as a soft wool. [117]

  9. Oxygen - Wikipedia

    en.wikipedia.org/wiki/Oxygen

    2 began to accumulate in the atmosphere about 2.5 billion years ago during the Great Oxygenation Event, about a billion years after the first appearance of these organisms. [83] [84] An adult human at rest inhales 1.8 to 2.4 grams of oxygen per minute. [85] This amounts to more than 6 billion tonnes of oxygen inhaled by humanity per year. [g]