Science, Volume 52Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Page 7
The career of the academy was scarcely more than under way before this began to give place to modern biological inquiries , and this led on to those important ecolog- ical and other studies that characterized the later official surveys ...
The career of the academy was scarcely more than under way before this began to give place to modern biological inquiries , and this led on to those important ecolog- ical and other studies that characterized the later official surveys ...
Page 20
These factors are all of equal importance in the production of crops . Not all of the factors , however , are susceptible of equal control . It is impossible , for example , to change the temperature condi- tions of winter so as to make ...
These factors are all of equal importance in the production of crops . Not all of the factors , however , are susceptible of equal control . It is impossible , for example , to change the temperature condi- tions of winter so as to make ...
Page 21
These illustrations are typical , and are very significant in emphasiz- ing the importance of phosphorus to crop pro- ... The maintenance of the ni- trogen supply of the soils is , in the language of Dr. Hopkins , " the most important ...
These illustrations are typical , and are very significant in emphasiz- ing the importance of phosphorus to crop pro- ... The maintenance of the ni- trogen supply of the soils is , in the language of Dr. Hopkins , " the most important ...
Page 22
These factors are all of equal importance in the production of crops . Not all of the factors , however , are susceptible of equal control . It is impossible , for example , to change the temperature condi- tions of winter so as to make ...
These factors are all of equal importance in the production of crops . Not all of the factors , however , are susceptible of equal control . It is impossible , for example , to change the temperature condi- tions of winter so as to make ...
Page 23
These illustrations are typical , and are very significant in emphasiz- ing the importance of phosphorus to crop pro- ... The maintenance of the ni- trogen supply of the soils is , in the language of Dr. Hopkins , " the most important ...
These illustrations are typical , and are very significant in emphasiz- ing the importance of phosphorus to crop pro- ... The maintenance of the ni- trogen supply of the soils is , in the language of Dr. Hopkins , " the most important ...
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Popular passages
Page 160 - Save base authority from others' books. These earthly godfathers of heaven's lights, That give a name to every fixed star, Have no more profit of their shining nights, Than those that walk, and wot not what they are.
Page 32 - The department of medical zoology of the School of Hygiene and Public Health of the Johns Hopkins University...
Page 131 - Council for Professional Development, the recognized accrediting body of the engineering profession, composed of representatives of the American Society of Civil Engineers, the American Institute of Mining and Metallurgical Engineers, the American Society of Mechanical Engineers, the American Institute of Electrical Engineers, the...
Page 53 - Science and the Division of Chemistry and Chemical Technology of the National Research Council.
Page 26 - HERE WAS BURIED THOMAS JEFFERSON AUTHOR OF THE DECLARATION OF AMERICAN INDEPENDENCE, OF THE STATUTE OF VIRGINIA FOR RELIGIOUS FREEDOM, AND FATHER OF THE UNIVERSITY OF VIRGINIA: because by these, as testimonials that I have lived, I wish most to be remembered.
Page 354 - Number 4. North American forest research. Compiled by the Committee on American Forest Research, Society of American Foresters. August, 1920. Pages 146. Price $2.00.
Page 263 - University; and the chairman of the division of medical sciences of the National Research Council, chairman ex officio.
Page 25 - Go, wretch, resign the presidential chair, Disclose thy secret measures, foul or fair. Go, search with curious eye, for horned frogs, Mid the wild wastes of Louisianian bogs; Or, where Ohio rolls his turbid stream, Dig for huge bones, thy glory and thy theme.
Page 131 - Societies has for its object, to quote from its constitution ' to further the public welfare wherever technical knowledge and engineering experience are involved, and to consider and act upon matters of common concern to the engineering and allied technical professions.
Page 30 - Dr. Simon Flexner, director of the laboratories of the Rockefeller Institute for Medical Research.