Thermocouple: Facts and Theories

Facts and Theories

Patchy subcortical lesions are frequently identified on magnetic resonance imaging (MRI) of the brain in the elderly.On computed tomography (CT) these lesions appear as periventricular zones of lucency and have been termed "leuko-araiosis" by Hachinski and colleagues. Despite limited knowledge of the pathological correlates of the lesions, there has been speculation about their nature, pathophy...

Modernization: Theories and Facts

Our purpose is to distinguish two theories that relate economic development and democracy and to examine some facts in light of these theories. While ultimately the interesting questions concern the mechanisms that mediate between economic development and the dynamics of political regimes, we must nevertheless identify the facts to be explained before plunging into explanations. Hence, we stick...

Facts and Theories

The gradual cumulative cultural evolution of locally adaptive technologies has played a crucial role in our species’ rapid expansion across the globe. Until recently, human artifacts were not obviously more complex than those made by organisms that lack cultural learning and have limited cognitive capacities. However, cultural evolution creates adaptive tools much more rapidly than genetic evol...

Mental Abnormality: Facts and Theories

and will appeal to the lay public: but it also contains much wisdom for the general practitioner and for the psychiatrist. He sets out to survey the whole field of psychiatry, so that great clinical detail is obviously impossible: nevertheless there is ample compensation for the lack of this in the lucidity of Dr. Culpin's style and his refreshing commonsense approach. An interesting and welcom...

Household Saving: Micro Theories and Micro Facts