An anonymous reader writes "This week the Nobel Prizes are being announced. Since 1956, the US has led the total Nobel Prize Count (by citizenship at the moment of the award), taking over from Germany, according to a study by AI researcher Jürgen Schmidhuber which takes into account that most prizes are split among several laureates. The US has been particularly successful in the peace category, which it has led since 1929. France kept dominating literature. In the sciences (physics, chemistry, medicine), Germany was ahead for two thirds of the century, or three quarters of the century if one measures by country of origin. Since 1984, however, all sciences have been led by the US, at least by citizenship. Switzerland is still ahead in the per capita rankings (ignoring mini-nations with a single Nobel Prize winner). There has been a laureate inflation: the average Nobel Prize fraction per laureate has been shrinking steadily. The study focuses on the difference between birth-based and citizen-based rankings, reflecting brain drain and gain. See http://www.idsia.ch/~juergen/nobelshare.html and arXiv paper http://arxiv.org/abs/1009.2634 and ScienceNews Blog http://www.sciencenews.org/view/generic/id/63944/title/Swedish_academy_awards"
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