منابع مشابه
Ecology of zoonoses: natural and unnatural histories.
More than 60% of human infectious diseases are caused by pathogens shared with wild or domestic animals. Zoonotic disease organisms include those that are endemic in human populations or enzootic in animal populations with frequent cross-species transmission to people. Some of these diseases have only emerged recently. Together, these organisms are responsible for a substantial burden of diseas...
متن کاملThe Natural Horse and Unnatural Behaviour
Ethology is the study of the function and evolution of an animal's behaviour in its natural environment. Why should ethology be an important consideration for veterinarians? Being familiar with the norm allows the veterinarian to know when they have been presented with the abnormal this is the case whether we are considering physiological or behavioural parameters. Understanding not only what i...
متن کاملThe Economics of Natural and Unnatural Disasters
Throughout history mankind has been subject to disasters produced by " Mother Nature " as well as the man-made variety. Only recently, however, have economists understood disasters as economic phenomena to be formally analyzed. Given the magnitude of many recent disasters, their impact on local, regional, and national economies, and the coverage of their consequences in the popular press, it is...
متن کاملNatural and unnatural history of pulmonary atresia.
OBJECTIVE To investigate mortality, cause of death, survival, and quality of life in all types of cardiac malformation with congenital pulmonary atresia. DESIGN Retrospective analysis. SETTING The resident population of one health region with a single tertiary referral centre. PATIENTS All babies with pulmonary atresia live born in 1980 to 1995. MAIN OUTCOME MEASURES Anatomical classifi...
متن کاملEngineering Bacteria to Make “Unnatural” Natural Drugs
PLoS Biology | http://biology.plosjournals.org Of the 300 or so viruses that cause disease in humans, HIV may have the greatest adaptive advantage. Like most persistent viruses—including the herpesviruses Epstein–Barr and cytomegalovirus (CMV)—HIV employs various strategies to counteract its host’s response to infection. But HIV possesses a unique ability to sustain a progressive attack on the ...
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ژورنال
عنوان ژورنال: Journal of World-Systems Research
سال: 2009
ISSN: 1076-156X
DOI: 10.5195/jwsr.2009.322