منابع مشابه
Wchen Do Anomalies Begin ? ALAN LIGHTMAN AND OWEN GINGERICH
An anomaly in science is an observed fact that is difficult to explain in terms of the existing conceptual framework. Anomalies often point to the inadequacy of the current theory and herald a new one. It is argued here that certain scientific anomalies are recognized as anomalies only after they are given compelling explanations within a new conceptual framework. Before this recognition, the p...
متن کاملIn retrospect
This study mainly addresses two questions: (i) what is the verse grammar that governs the modern speaker’s scansion of classical Chinese verse lines? (ii) how can his apparently intuitive judgment of metrical harmony of verse lines be accounted for in a principled way? For the first question, we have argued that the modern verse grammar represents the coexistence of five minimally different sub...
متن کاملWalrasian Economics in Retrospect
Two basic tenets of the Walrasian model, behavior based on self-interested exogenous preferences and complete and costless contracting have recently come under critical scrutiny. First, social norms and psychological dispositions extending beyond the selfish motives of Homo economicus may have an important bearing on outcomes, even in competitive markets. Second, market outcomes depend on strat...
متن کاملIndianapolis Meeting in Retrospect.
21 FEBRUARY 1958 ing number of scientific contributions but also with the impact of science on society. The principal advances of science and its applications have been reported and assessed in Science and other AAAS publications. The annual meeting also has reflected the major trends of scientific thought and, directly or indirectly, matters of import in the nation and the world. This was espe...
متن کاملTripos Theory in Retrospect
The notion of tripos (Hyland, Johnstone, and Pitts 1980; Pitts 1981) was motivated by the desire to explain in what sense Higg’s description of sheaf toposes as H-valued sets and Hyland’s realizability toposes are instances of the same construction. The construction itself can be seen as the universal solution to the problem of realizing the predicates of a first order hyperdoctrine as subobjec...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1998
ISSN: 0028-0836,1476-4687
DOI: 10.1038/34342