منابع مشابه
A half century of health.
During the period 1943-1980 a significant increase in the incidence of neuroblastoma was seen in Denmark. The incidence increased from a level corresponding to that in Finland to a level corresponding to that in the USA, and the increase appears to be continuing. The increase relates to children aged under 5 years, and is most pronounced in infants under 1 year. The incidence in the first year ...
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This story is set in a future 80 years from today. The protagonist, an elderly man who would have been a pensioner nowadays, is restoring an old building. While performing this pragmatic work he remembers the evolution of different kinds of technology from when he was a kid to when he grew up. In the course of painting his study, he thinks about research topics which are actively under investig...
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Probability theory, and its dynamic aspect stochastic process theory, is both a venerable subject, in that its roots go back to the mid-seventeenth century, and a young one, in that its modern formulation happened comparatively recently – well within living memory. The year 2003 marked the seventieth anniversary of Kolmogorov’s Grundbegriffe der Wahrscheinlichkeitsrechnung, usually regarded as ...
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T PROTESTANT theologian Otto Dibelius made a prophetic statement when, in the title of a well-known book, he referred to the 20th century as "the century of the Church." Although treatises on the Church had appeared sporadically since the 14th century, ecclesiology had not yet assumed the central position in Catholic theology that it has enjoyed in our own century. The foundation of Theological...
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design of the first digital computer, in the hands of John Von Neumann, was strongly influenced by this work of 1943. Von Neumann himself rejected logic as the key to human thinking. Something much more like thermodynamics, he speculated, is needed. And in 1947—only just under half a century ago—Pitts and McCulloch published “How We Know Universals: The Perception of Auditory and Visual Forms.”...
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ژورنال
عنوان ژورنال: Journal of the Experimental Analysis of Behavior
سال: 2008
ISSN: 0022-5002
DOI: 10.1901/jeab.2008.89-1