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Nuclear war is an often-predicted cause of the extinction of humankind. [1]Human extinction or omnicide is the hypothetical end of the human species, either by population decline due to extraneous natural causes, such as an asteroid impact or large-scale volcanism, or via anthropogenic destruction (self-extinction).
In cosmology, the anthropic principle, also known as the observation selection effect, is the proposition that the range of possible observations that could be made about the universe is limited by the fact that observations are only possible in the type of universe that is capable of developing observers in the first place.
Slotin died 9 days later; the other people in the room observing the experiment survived. [291] [292] Thomas Mantell: 7 January 1948: The 25-year-old P-51 Mustang fighter pilot crashed while in pursuit of an unidentified flying object near Franklin, Kentucky, thus becoming the first person known to have died as a result of a UFO sighting.
[2] [6] He joined the Zero Population Growth organization, [2] and chose to be vasectomized at age 25. [6] He later concluded that the extinction of humanity would be the best solution to the Earth's environmental problems. [2] He believes that this idea has also been held by some people throughout human history. [7]
Hundreds of thousands of people in Gaza are starving as a result of Israel’s war against Hamas, according to aid agencies on the ground.But an even greater number of Palestinian lives may soon ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 8 February 2025. Discrepancy of the lack of evidence for alien life despite its apparent likelihood This article is about the absence of clear evidence of extraterrestrial life. For a type of estimation problem, see Fermi problem. Enrico Fermi (Los Alamos 1945) The Fermi paradox is the discrepancy ...
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Hugh Everett did not mention quantum suicide or quantum immortality in writing; his work was intended as a solution to the paradoxes of quantum mechanics. Eugene Shikhovtsev's biography of Everett states that "Everett firmly believed that his many-worlds theory guaranteed him immortality: his consciousness, he argued, is bound at each branching to follow whatever path does not lead to death". [5]