منابع مشابه
How good is our genome?
Our genome has evolved to perpetuate itself through the maintenance of the species via an uninterrupted chain of reproductive somas. Accordingly, evolution is not concerned with diseases occurring after the soma's reproductive stage. Following Richard Dawkins, we would like to reassert that we indeed live as disposable somas, slaves of our germline genome, but could soon start rebelling against...
متن کاملHow good can our beamlines be?
The accuracy of X-ray diffraction data depends on the properties of the crystalline sample and on the performance of the data-collection facility (synchrotron beamline elements, goniostat, detector etc.). However, it is difficult to evaluate the level of performance of the experimental setup from the quality of data sets collected in rotation mode, as various crystal properties such as mosaicit...
متن کاملHow good are we at estimating crowding and how does it affect our treatment decisions?
OBJECTIVES To assess the estimation of crowding by orthodontists and their subsequent extraction choices. MATERIALS AND METHODS Sixty-two orthodontists were asked to quantify crowding on eight lower arch study models using their preferred method and also to indicate possible extraction choices. For each model, the intermolar widths, intercanine widths, and clinical scenarios were identical, b...
متن کاملHow good are you?
As orthodontists, most of us believe that we are among the best in our community at what we do—straightening teeth. Of course, we know that alignment is not the only important outcome of orthodontic therapy. We also strive to produce a good occlusal result and a well-balanced face. But how do you measure the quality of your treatment results? Are you consistent? One method is to take and pass t...
متن کاملHow polycentric are our cities ?
Today’s large metropolitan areas, from New York and London to Singapore and Tokyo, all comprise a multitude of interconnected centers: places, where our daily activities for employment, leisure and travel are highly concentrated. A deep and quantitative understanding of this urban spatial structure is of considerable importance for our contemporary sprawling cities, where it is ever-less obviou...
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ژورنال
عنوان ژورنال: American Journal of Public Health and the Nations Health
سال: 1955
ISSN: 0002-9572
DOI: 10.2105/ajph.45.4.505