Popular Science Monthly, Volume 69McClure, Phillips and Company, 1906 - Science |
From inside the book
Results 1-5 of 41
Page 6
... meeting . The fact that the spermatozoon enters the ovum and produces the so - called male pronucleus , the union of which with the female pronucleus completes the act of fertilization , was finally demonstrated only in 1875 by Oscar ...
... meeting . The fact that the spermatozoon enters the ovum and produces the so - called male pronucleus , the union of which with the female pronucleus completes the act of fertilization , was finally demonstrated only in 1875 by Oscar ...
Page 23
... meeting the atmosphere of our earth , becomes , through friction , enormously heated , disruption takes place , and the separated parts , instead of falling at one spot , are dropped in succession at widely removed points , and thus a ...
... meeting the atmosphere of our earth , becomes , through friction , enormously heated , disruption takes place , and the separated parts , instead of falling at one spot , are dropped in succession at widely removed points , and thus a ...
Page 29
... meeting of the Astral Camera Club , through the courtesy of Madame Yda Hhatch , of San Diego , vice - president of the American Chirological Society , the club received a rare treat , direct from the fountains of the Orient . Madame ...
... meeting of the Astral Camera Club , through the courtesy of Madame Yda Hhatch , of San Diego , vice - president of the American Chirological Society , the club received a rare treat , direct from the fountains of the Orient . Madame ...
Page 52
... meetings , and at each meeting resolutions were adopted setting forth urgent reasons for national legislation to supplement the state laws . In nineteen hundred and three at Saint Paul , Minnesota , the commission called a joint meetings ...
... meetings , and at each meeting resolutions were adopted setting forth urgent reasons for national legislation to supplement the state laws . In nineteen hundred and three at Saint Paul , Minnesota , the commission called a joint meetings ...
Page 53
... meeting , it was im- pressed upon all that food - control legislation should be correct labeling rather than prohibitive , except where substances are positively in- jurious to health . The Saint Paul meeting was followed by a similar ...
... meeting , it was im- pressed upon all that food - control legislation should be correct labeling rather than prohibitive , except where substances are positively in- jurious to health . The Saint Paul meeting was followed by a similar ...
Contents
278 | |
279 | |
286 | |
295 | |
297 | |
299 | |
300 | |
369 | |
107 | |
108 | |
110 | |
111 | |
177 | |
178 | |
189 | |
190 | |
218 | |
219 | |
276 | |
277 | |
370 | |
371 | |
372 | |
382 | |
420 | |
422 | |
423 | |
424 | |
478 | |
482 | |
483 | |
Other editions - View all
Common terms and phrases
Alexander Graham Bell American Anaxagoras animals appears atoms average bacilli basin birth rate body Bogoslof caņon cause cent century changes christians climate continuum crack Devachan disease earthquake effect elements embryology etheric plane Europe evidence experience fact fault feet Graham Bell homicide human hundred immigration increase instance interest investigation island Jewish Jews large number less levees magnetic magnetograph married matter means ment method miles mixed marriages Mussel Rock natural object Observatory observed organism period phenomena physical Point Arena population possible present produced Professor proportion protozoa pure reason recent recorded region result rift river rock Russia San Andreas fault San Francisco scientific seismograph sensations shock space species stars stillbirths sunspot telephone tion to-day tubercle tubercle bacilli tuberculosis University variable variable stars variations words
Popular passages
Page 187 - ... the endowment, support and maintenance of at least one college where the leading object shall be, without excluding other scientific and classical studies, and including military tactics, to teach such branches of learning as are related to agriculture and the mechanic arts, in such manner as the legislatures of the States may respectively prescribe, in order to promote the liberal and practical education of the industrial classes in the several pursuits and professions in life.
Page 60 - Fourth. If the package containing it or its label shall bear any statement, design, or device regarding the ingredients or the substances contained therein, which statement, design, or device shall be false or misleading in any particular...
Page 187 - State which may take and claim the benefit of this act, to the endowment, support, and maintenance of at least one college, where the leading object shall be, without excluding other scientific and classical studies, and including military tactics, to teach such branches of learning as are related to agriculture and the mechanic arts...
Page 526 - If a course of conduct is habitually and deliberately pursued by vast multitudes of otherwise well-conducted people, forming probably a majority of the whole educated class of the nation," as Sidney Webb rightly puts it, "we must assume that it does not conflict with their actual code of morality.
Page 78 - I imagined to be the distant rumbling of a violent tornado, on which I spurred my steed, with a wish to gallop as fast as possible to the place of shelter; but it would not do, the animal knew better than I what was forthcoming, and, instead of going faster, so nearly stopped, that I remarked he placed one foot after another on the ground with as much precaution as if walking on a smooth sheet of ice.
Page 285 - Mendelejeff," to establish, in 1869, a law of great importance. Mendelejeff showed that if the elements are grouped in the order of their atomic weights, it will be found that nearly the same properties recur periodically throughout the entire series.
Page 196 - The advance of science is not comparable to the changes of a city, where old edifices are pitilessly torn down to give place to new, but to the continuous evolution of zoologic types which develop ceaselessly and end by becoming unrecognizable to the common sight, but where an expert eye finds always traces of the prior work of the centuries past. One must not think then that the old-fashioned theories have been sterile and vain.
Page 204 - Logic, which alone can give certainty, is the instrument of demonstration; intuition is the instrument of invention. VI But at the moment of formulating this conclusion I am seized with scruples. At the outset I distinguished two kinds of mathematical minds, the one sort logicians and analysts, the others intuitionalists and geometers. Well, the analysts also have been inventors. The names I have just cited make my insistence on this unnecessary.
Page 480 - Who's Who in America. But the chief service it should render is to make men of science acquainted with one another and with one another's work. There scarcely exists among scientific men the recognition of common interest and the spirit of cooperation which would help to give science the place it should have in the community. It is fully as important for the nation as for men of science that scientific work should be adequately recognized and supported. We are consequently in the fortunate position...
Page 317 - ... at the instant t — h. Even more; the position of Jupiter at the instant t, together with that of Saturn at the instant t + a, determines the position of Jupiter at any instant and that of Saturn at any instant. The aggregate of positions occupied by Jupiter at the instant t + e and Saturn at the instant t + a...