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Many hypothetical doomsday devices are based on salted hydrogen bombs creating large amounts of nuclear fallout.. A doomsday device is a hypothetical construction — usually a weapon or weapons system — which could destroy all life on a planet, particularly Earth, or destroy the planet itself, bringing "doomsday", a term used for the end of planet Earth.
A pandemic [162] involving one or more viruses, prions, or antibiotic-resistant bacteria. Epidemic diseases that have killed millions of people include smallpox, bubonic plague, influenza, HIV/AIDS, COVID-19, cocoliztli, typhus, and cholera. Endemic tuberculosis and malaria kill over a million people each year.
A global catastrophic risk or a doomsday scenario is a hypothetical event that could damage human well-being on a global scale, [2] even endangering or destroying modern civilization. [3] An event that could cause human extinction or permanently and drastically curtail humanity's existence or potential is known as an " existential risk ".
The two men behind the so-called “Doomsday vault” holding 1.25 million seed samples ― seeds that can be used to rebuild much the world's food supply if catastrophe hits ― are this year’s ...
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This is an accepted version of this page This is the latest accepted revision, reviewed on 18 December 2024. This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. The Last Judgment by painter Hans Memling. In Christian belief, the Last Judgement is an apocalyptic event where God makes a final ...
Although the doomsday care package has become something of a meme, the company behind the bucket is dead serious. Readwise sells a whole range of emergency food supplies, according to its website ...
Food, however, remains a difficult problem, and experts propose that colonists will eat insects and algae, which are easily replenished and space efficient. They also propose that the oxygen and water produced by agriculture, trees, grass and other plant life will produce its own weather and biosphere about 60–80 years into the ship's journey.