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261. Chemical Equivalents.- The proportions, or quantities by weight, in which different substances unite to form definite chemical compounds, are called Chemical Equivalents (from cequus, equal, and ...
Maternal mortality remains a cause of legitimate concern in developing parts of the world where rates often exceed 650 per 100,000 live births—at least twenty times higher than in the developed world,...
The Case of Thomas Arnold of RugbyOn the evening of Saturday 11 June 1842, Thomas Arnold, the educational reformer and Headmaster of Rugby school, strolled in the institutional gardens with his head b...
It is a personal website about History of Science in the United States,Created and Maintained by Clark A. Elliott Belmont, MA..It includes:Antebellum American Science: A Thematic (and Somewhat Bibliog...

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