منابع مشابه
Four centuries of clinical chemistry
The history of clinical chemistry, particularly in the last hundred years, has been sadly neglected by historians. Biochemistry, its academic parent, has had at least some attention, but the rethinking of disease in metabolic terms and, more important, the ways in which that rethinking was realized through technology have scarcely been considered. No doubt this is in part because of the technic...
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The northeastern United States is a predominately-forested region that, like most of the eastern U.S., has undergone a 400-year history of intense logging, land clearance for agriculture, and natural reforestation. This setting affords the opportunity to address a major ecological question: How similar are today's forests to those existing prior to European colonization? Working throughout a ni...
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Higher paternal age at offspring conception increases de novo genetic mutations. Based on evolutionary genetic theory we predicted older fathers' children, all else equal, would be less likely to survive and reproduce, i.e. have lower fitness. In sibling control studies, we find support for negative paternal age effects on offspring survival and reproductive success across four large population...
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Sulabha Brahme is active in th e participatory and sustainable development movement in India . She has a PhD. in Economics from the UniversityofPoona,/ndia . She is retired from the research fa culty of the Gokhale Institute of Politics and Economics , where she specialized in planning and policy studies on urbani zatio n , agricultural development and rural and regional planning . U y oday's C...
متن کاملTropical–North Pacific Climate Linkages over the Past Four Centuries*
Analyses of instrumental data demonstrate robust linkages between decadal-scale North Pacific and tropical Indo-Pacific climatic variability. These linkages encompass common regime shifts, including the noteworthy 1976 transition in Pacific climate. However, information on Pacific decadal variability and the tropical high-latitude climate connection is limited prior to the twentieth century. He...
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ژورنال
عنوان ژورنال: Hispanic American Historical Review
سال: 1963
ISSN: 0018-2168,1527-1900
DOI: 10.1215/00182168-43.2.247