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 7
... matter of sight , followed by inference , when we know that invisible factors enter into the perform- ance . How the cell program can ever be brought under experimental control remains to be seen , but we must realize that in the ...
... matter of sight , followed by inference , when we know that invisible factors enter into the perform- ance . How the cell program can ever be brought under experimental control remains to be seen , but we must realize that in the ...
Página 11
... matter will take a lenticular shape and later be ejected from the edge . MR . ROCKEFELLER'S GIFTS THERE were announced on Christmas day two large gifts by Mr. John D. Rockefeller , $ 50,000,000 to the Rockefeller Foundation and ...
... matter will take a lenticular shape and later be ejected from the edge . MR . ROCKEFELLER'S GIFTS THERE were announced on Christmas day two large gifts by Mr. John D. Rockefeller , $ 50,000,000 to the Rockefeller Foundation and ...
Página 18
... matter . Hence the acid- ity was not due to organic matter . From the above statements , the conclusion may be drawn that the compounds formed from some of the soil - forming minerals due to leaching , are an important factor in making ...
... matter . Hence the acid- ity was not due to organic matter . From the above statements , the conclusion may be drawn that the compounds formed from some of the soil - forming minerals due to leaching , are an important factor in making ...
Página 20
... matter and sunlight . Pure dichlora- mine - T can be kept in pure , anhydrous chlorcosane , without appreciable decomposition , for several months , if protected from continuous action of direct sunlight . In the reactions between the ...
... matter and sunlight . Pure dichlora- mine - T can be kept in pure , anhydrous chlorcosane , without appreciable decomposition , for several months , if protected from continuous action of direct sunlight . In the reactions between the ...
Página 24
... , in temperate climates , environ- mental sanitation has become a matter of routine , and the pestilences spread by polluted water and by insect carriers have ceased to figure as 24 [ N. S. VOL . LI . No. 1306 SCIENCE.
... , in temperate climates , environ- mental sanitation has become a matter of routine , and the pestilences spread by polluted water and by insect carriers have ceased to figure as 24 [ N. S. VOL . LI . No. 1306 SCIENCE.
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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.