Evolution or Catastrophe
نویسندگان
چکیده
منابع مشابه
El Niño: Catastrophe or Opportunity
El Niño–Southern Oscillation (ENSO) phenomenon, a periodic warming of sea surface temperatures in the eastern and central equatorial Pacific, generates a significant proportion of short-term climate variations globally, second only to the seasonal cycle. Global economic losses of tens of billions of dollars are attributed to extremes of ENSO (i.e., El Niño and La Niña), suggesting that these ev...
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Rarely do arguments about the meaning of serosurveillance data bear directly upon potentially preventing billions of deaths. But this has been the case in attempts at making sense of more than 50 serologic studies of human antibody to avian H5N1 viruses in exposed and unexposed human populations from countries in which H5N1 has been circulating in poultry [1–4]. Sixteen years since highly patho...
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T historians and laypeople alike often look upon medicine from the Anglo-Saxon period (550-1066 A.D.) with horror and derision. One seems to conjure up images of dirty rags used to clean wounds, or ground-up dung ingested to cure a headache. When one examines the actual medical remedies of the time, however, useful cures can be found. The remedies in Anglo-Saxon medical texts are extremely inte...
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The number of accidents which are caused by the existence of defects in engineering structures can be reduced in two ways, 1. By diminishing the number and size of the defects, either by making the structure more carefully in the first place or by using better inspection methods in service or by some combination of the two. 2. By designing structures which are inherently safer that is to say le...
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Universities in the UK have largely coped with this by changing the structural organisation of such departments. Converged services, integrated services and mixed teams have been created in the hope that the resulting structures will lead to effective collaboration. This is not as easy as it looks since library and IT staff come from different professions with distinct professional cultures. Or...
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ژورنال
عنوان ژورنال: Science
سال: 1968
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.159.3819.1055