منابع مشابه
Social psychology a century ago.
America's dual interest in social welfare and practical science fueled the emergence of social psychology in the late 19th century. By that century's end, psychologists had presented diverse and sometimes contesting models of social psychology. These varied conceptualizations, however, were challenged by the discipline's growing dedication to the scientific method and experimentation, as well a...
متن کاملFluorescein angiography: insight and serendipity a half century ago.
It has been 50 years since fluorescein angiography was developed as a clinical procedure by 2 medical students at Indiana University. The story of its discovery and the recognition of its value to ophthalmology involve a combination of insight and serendipity. Fluorescein had been in use clinically for more than half a century, but it took a pulmonary medicine laboratory to provide the stimulus...
متن کاملCloudy Skies
Standard Gaussian-type statistics are not really adequate to describe atmospheric variability; this traditional approach implicitly dismisses fluctuations as "noise" of use only in computing a standard deviation which, together with the mean, presumably varies so little in space and time that one can meaningfully speak of "climatological" values. In geophysics, unfortunately, this approach ofte...
متن کاملA Revolution in Mathematics? What Really Happened a Century Ago and Why It Matters Today
T he physical sciences all went through “revolutions”: wrenching transitions in which methods changed radically and became much more powerful. It is not widely realized, but there was a similar transition in mathematics between about 1890 and 1930. The first section briefly describes the changes that took place and why they qualify as a “revolution”, and the second describes turmoil and resista...
متن کاملMycobacterium tuberculosis Strains Potentially Involved in the TB Epidemic in Sweden a Century Ago
UNLABELLED A hundred years ago the prevalence of tuberculosis (TB) in Sweden was one of the highest in the world. In this study we conducted a population-based search for distinct strains of Mycobacterium tuberculosis complex isolated from patients born in Sweden before 1945. Many of these isolates represent the M. tuberculosis complex population that fueled the TB epidemic in Sweden during the...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Science
سال: 1884
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.ns-3.55.231