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The so-called Doomsday study is already 66 years old, but it is probably the best-known study about the end of the world. In 1960 researchers used a mathematical formula to calculate the end of humankind for Friday 13 November 2026. The article with the provocative title "Doomsday: Friday, 13 November, A.D. 2026" was written by Austrian-American physicist Heinz von Foerster and his research team and published in the prestigious journal Science (source in German) . The researchers analysed historical data on the world population over the past two millennia and fitted a growth curve to it.
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