Science, Volumen51John Michels (Journalist) American Association for the Advancement of Science, 1920 Since 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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Página 10
... observation . As yet only the following have been sug- gested : 1. The distortion of the oval orbits of planets round the sun ( confirmed in the case of the planet Mercury ) . 2. The deviation of light - rays in a gravita- tional field ...
... observation . As yet only the following have been sug- gested : 1. The distortion of the oval orbits of planets round the sun ( confirmed in the case of the planet Mercury ) . 2. The deviation of light - rays in a gravita- tional field ...
Página 19
... observed at each place visited in the state was prepared by Dr. Smith and associates . As orig- inally planned , the program called for a division of the party into two sections ( Highland and Coastal Plain ) , to be together only on ...
... observed at each place visited in the state was prepared by Dr. Smith and associates . As orig- inally planned , the program called for a division of the party into two sections ( Highland and Coastal Plain ) , to be together only on ...
Página 20
... observations as a result of an extensive investigation of the methods used by leading dermatologists . Standard methods are recommended in order to eliminate reactions which unnecessarily result from faulty technique and im- proper use ...
... observations as a result of an extensive investigation of the methods used by leading dermatologists . Standard methods are recommended in order to eliminate reactions which unnecessarily result from faulty technique and im- proper use ...
Página 69
... observations upon the shape of Basidia and method of spore discharge in the Úredineæ and Hymenomycetes , " A. H. R. Buller . ( Illustrated with models and lantern slides . ) " Smut of western rye grass , " W. P. Fraser . Address , E. C. ...
... observations upon the shape of Basidia and method of spore discharge in the Úredineæ and Hymenomycetes , " A. H. R. Buller . ( Illustrated with models and lantern slides . ) " Smut of western rye grass , " W. P. Fraser . Address , E. C. ...
Página 76
... observed over and over again in different groups , and since no plausible reason can be given why such changes are of benefit to the species , it follows , on Whitman's view , that some internal agency has brought about these parallel ...
... observed over and over again in different groups , and since no plausible reason can be given why such changes are of benefit to the species , it follows , on Whitman's view , that some internal agency has brought about these parallel ...
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Pasajes populares
Página 174 - Survey, and the classification of the public lands and examination of the Geological Structure, mineral resources and products of the national domain...
Página 107 - School, and was graduated from the medical department of the University of Pennsylvania in 1862.
Página 317 - Louis in connection with the meeting of the Department of superintendence of the National education association, February 27-29, 1912.
Página 46 - And if you will venture on a glass of wine, you will find it worthy of one who professes the maxim of King Alphonso of Castile, — Old wood to burn — old books to read— old wine to drink — and old friends, Sir Arthur — ay, Mr. Lovel, and young friends too, to converse with.
Página 30 - Public health is the science and the art of preventing disease, prolonging life, and promoting physical health and efficiency through organized community efforts...
Página 239 - THE Bruce Gold Medal of the Astronomical Society of the Pacific has been awarded to Professor Ernest W. Brown, of Yale University, for " distinguished services to astronomy.
Página 298 - Functions of the Division of Geology and Geography of the National Research Council.
Página 354 - As chairman ( 1934-1935) of the division of anthropology and psychology of the National Research Council, he was able to advance the convergence of interest, which he pioneered, between anthropology and psychiatry.
Página 284 - ... to know the histories of the animals and plants upon which they feed or upon which their food is nourished; the histories of their enemies and friends and the friends and foes...
Página 553 - Papers from the Department of Biometry and Vital Statistics, School of Hygiene and Public Health, Johns Hopkins University, No.