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  • Nature Publishing Group  (97,985)
  • 1975-1979  (18,006)
  • 1960-1964  (27,569)
  • 1955-1959  (19,871)
  • 1950-1954  (15,714)
  • 1935-1939  (16,825)
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  • 1
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    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 386-387 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN connexion with the annual meeting of the British Association an exhibition has been arranged at the University of Birmingham to illustrate the topic "Energy in the Service of Man" suggested by Unesco for world-wide discussion and study in 1950. The exhibition has been sponsored by the National ...
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  • 2
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 384-385 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR. W. B. TURRILL'S presidential address to i^J Section K (Botany) reviews briefly some reasons for the relative neglect of plant systematics in recent times, particularly in universities. Taxonomists have tended to be too rigid in principles and methods ; the rise of other branches of botany has ...
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  • 3
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 387-387 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Prof. C. Batho PROF. CYRIL BATHO, who retires in September, has occupied the chair of civil engineering in the University of Birmingham since 1924. Educated at the University of Liverpool, he later studied at Berlin and Charlottenburg and in 1908 was appointed lecturer in civil engineering, and in ...
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  • 4
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 387-388 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Dr. J. Ramsbottom, O.B.E. AFTER almost forty years' service, the last twenty as keeper of botany, Dr. J. Ramsbottom will retire from the British Museum (Natural History) in October. In this key position he has had a profound and beneficent influence on British botany. On going to the Museum he ...
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  • 5
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 388-388 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A HUNDRED years ago, on August 27 at Bologna, Augusto Righi, the Italian physicist, renowned for his researches in electricity, magnetism and light, was born. Most of Righi's life was spent in Bologna and he was professor of physics in the University from 1889 until his death on June 8, 1920. His ...
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  • 6
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 389-389 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a recent B.I.O.S. Survey of "The Paint Industry in Germany during the period 1939-1945" (Report No. 22; H.M. Stationery Office, 1950; 3s.), the authors, Messrs. N. F. Fisk and H. W. Bowron, have collated and classified material relating to the paint industry from more than two hundred reports on ...
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  • 7
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 389-389 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE proceedings of the second Conference on Blood-Clotting and Allied Problems, held by the Josiah Macy Jr. Foundation in New York in January 1949, have now been published in a single volume (pp. 231 ; Josiah Macy Jr. Foundation, 565 Park Avenue, New York ; 2.25 dollars). It contains articles on ...
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  • 8
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 388-389 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE annual meeting of the Royal Society of Canada was held at the Royal Military College, Kingston, Ontario, during June 5-7. Among the new officers elected for the year 1950-51 were : President, Dr. J. J. O'Neill; Honorary Secretary, Dr. Seraphin Marion ; Honorary Executive Secretary, Dr. W. H. ...
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  • 9
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 389-389 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is with interest that we note the growing concern for science in schools, especially natural history, as evidenced by the increasing number of school science journals. Most of these, so far, are published by our public schools, the latest addition being the Christ's Hospital Science Journal and ...
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  • 10
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 389-389 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE following appointments in the Colonial Service have recently been announced : S. D. Ross (assistant director of agriculture, Nigeria), director of agriculture, Gold Coast; W. E. Calton (government chemist, Zanzibar), government chemist, Tanganyika ; A. Cawley (mining geologist, Nigeria), ...
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  • 11
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 389-389 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE fourth Arthur Stanley Eddington Memorial Lecture will be given in London on November 2 by Prof. II. A. Fisher, Arthur Balfour professor of genetics in the University of Cambridge ; he will speak on "Creative Aspects of Natural Law". MR. REGINALD D. MEADOWS, demonstrator and supervisor in the ...
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  • 12
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 391-391 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a paper presented to the summer meeting of the Association of Technical Institutions at Scarborough in June, Mr. T. H. Hawking dealt with the industrial problems which had arisen out of part-time day release classes for young workers in industry. Part-time day release, he said, had been tried in ...
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  • 13
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 391-392 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE official recognition in 1947 of the Inter-A national Union of Crystallography was followed by the formation of national committees in a number of countries. The Consejo Superior de Investigaciones Cientificas appointed a Spanish National Committee in 1949, and announced its adherence to the ...
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  • 14
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 390-390 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] POLITICAL and Economic Planning is at present JL engaged on a major study into the whole field of the relations between government and industry, and the means by which the government gets its policy carried out. From this point of view of the ways of translating planning into practice, a recent ...
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  • 15
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 392-395 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FORMER literature1 has indicated that the Phyto-phthora-Tesistance of the ' W varieties, discovered by me in 1923, is controlled by a gene that is not present in the common European varieties. This resistance is caused by the increased reactivity or the 'hypersensitivity' of the host cells which ...
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  • 16
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 396-397 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AQUEOUS solutions of peracetic acid oxidize the disulphide bond in wool to two sulphonic acid groups without attacking other major groups1. After more than 90 per cent of the cystine has been oxidized fco cysteic acid, the wool becomes freely soluble in dilute alkali (for example, N/10 ammonia), ...
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  • 17
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 397-398 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AFTER treatment with peracetic acid, the protein of wool fibre can be divided into two fractions1 : (a) the major portion of the fibre, which is soluble in weak alkali; and (b) a thin pellicle of protein which is continuous through the fibre in the form of a cylinder and which is insoluble in the ...
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  • 18
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 399-399 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Then calculations performed by the junior author show that the number of particles N(l) in the l-ih shell is N(l) = f.(2l + 3)3, where / is a quantity depending on the form of the density function p(r). One sees that the difference of the cubic roots of successive shells A(^V1/3) is a constant; ...
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  • 19
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    Nature 166 (1950), S. 398-398 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FROM time immemorial adventure stories have taken hold of the imagination, and this is partly why the cult of Maui-of-a-thousand-tricks is so widespread in the Pacific*. The origin of this hero is not unparalleled in other mythologies: born of human parents, he was brought up by the gods and learnt ...
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  • 20
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 399-400 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The object O is placed close to a point source of light S. The wavelets scattered by the object interfere with the main waves from S over a surface such as WW, altering both their amplitude and their phase. It is an essential condition for the success of the method that the amplitude due to the ...
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  • 21
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 400-401 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the second experiment showers were selected by two trays (A and B) each of area 1,500 cm.2, horizontally separated by 2 in. Counts from a third tray, C, also of area 1,500 cm.2, which occurred l-5-6-5(jsec. afterwards, were recorded. Undelayed coincidences A, B, C were also recorded. In the ...
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  • 22
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    Nature 166 (1950), S. 401-401 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] With deflocculating media such as the polymerized oils used in printing inks, the specific conductivity of the paste may approach the low value characteristic of the medium itself and show very little growth of conductivity on prolonged ageing. In general, good printing inks comprising electrically ...
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  • 23
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 402-403 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A glass wedge is mounted beside the channel (diffusion or adsorption analysis), or between the two channels (electrophoresis), and light from the linear light source is allowed to pass through this wedge by two rectangular holes near the ends of the channel. The width of each hole is about half ...
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  • 24
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 401-402 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It was noted that, for an applied field of 0-38 oersted, the hysteresis energy loss was 1-60 ergs/c.c./ cycle, showing that irreversible changes in magnetization must have taken place in the Rayleigh 'region' despite the fact that so few Barkhausen discontinuities were observed. A further ...
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  • 25
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    Nature 166 (1950), S. 403-403 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The device consists of a hollow rubber ball (5 cm. diameter) with two rubber tubes at opposite poles, each tube being closed with a valve. One tube is tapered internally to grip pipettes of different sizes ; attached to this tube, between the valve and the tapered part, is a side-arm which also ...
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  • 26
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    Nature 166 (1950), S. 403-404 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This enzyme has recently been isolated from pig heart in crystalline form5 by a procedure involving extraction with dilute phosphate buffer, adsorption and elution from calcium phosphate gel, precipitation with ethanol at ? 15, and ammonium sulphate fractionation. The enzyme crystallizes as slender ...
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  • 27
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    Nature 166 (1950), S. 404-405 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have been engaged for some time in a further examination of the action of alkali on sulphonium iodides of the type Ar.CO.O.CH2.CH2.SMe2}I-, and now find that the reaction proceeds in two distinct thus : (i) Ar . CO . O . GH2 . CH2 . SMeJT- + NaOH -〉 Ar . CO . ONa -f CH2 : CH . SMeJI" + H2O, ...
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    Nature 166 (1950), S. 406-407 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] According to our measurements, as well as those of other investigators3〉4, proteins exhibit two absorption peaks, at 3,290 ~ 3,330 cm.-1 and at 3,080 ~ 3,090 cm."1, arising from the hydrogen-bonded NH -groups ; salmin exhibits the third peak at 3,240 cm."1 arising from the side-chain. The fact that ...
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  • 29
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    Nature 166 (1950), S. 405-406 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It would be expected that in any of these cases chemically inert gases could influence the reactions : acting as a partner in chain-breaking triple collisions, they can decrease its rate ; or they can increase it by serving as an activating partner in chain-initiating bimolecular collisions. From ...
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    Nature 166 (1950), S. 407-407 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There is now adequate evidence that the locus of this gene is linked with that of Danforth's 'short tail' (symbol Sd). Coupling back-cross data give a recombination value of about 25 per cent, the ^2 on independent segregation being more than 50 for one degree of freedom. Owing to the poor ...
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    Nature 166 (1950), S. 407-407 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The time of survival differed with individual eggs and also with the degree of pressure to which they were subjected, but was usually not less than six to eight hours or more than twelve to sixteen hours. Within limits, the more the eggs are compressed the greater is visibility improved ; but ...
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    Nature 166 (1950), S. 408-408 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Monday, September 4 Association for the Study of Animal Behaviour (at the Royal Society of Tropical Medicine, 26 Portland Place, London, W.I), at 5 p.m.-Prof. Karl von Frisch : "Methods of Communication in the Honey ...
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    Nature 166 (1950), S. 408-408 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned : CHEMISTS in the Ministry of Supply Chemical Inspectorate, primarily for analysis of materials associated with atomic energy production, including radio-active materials, and development and application of ...
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    Nature 166 (1950), S. 408-408 
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    Notes: [Auszug] (not induced in the monthly Books Supplement) Great Britain and Ireland Report on the Work of the Tin Research Institute, 1949. Pp. 16. (Greenford: Tin Research Institute, 1950.) [67 Philosophical Transactions of the Royal Society of London, Series A : Mathematical and Physical Sciences. No. ...
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    Nature 166 (1950), S. 321-324 
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    Notes: [Auszug] A HUNDRED years ago, on August 14, 1850, the first Public Libraries Act received the Royal Assent, and English and Welsh town councils with a population exceeding ten thousand were empowered to levy a rate up to a halfpenny in the pound for the building or maintenance of a public library but not to ...
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    Nature 166 (1950), S. 324-325 
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    Notes: [Auszug] IN 1671 Nehemiah Grew presented to the Royal Society a manuscript entitled "The Anatomy of Plants Begun", and since that time a vast quantity of information on this subject has been accumulating, more especially during the past fifty years. The present great work by Dr. C. R. Metcalfe and Dr. L. ...
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    Nature 166 (1950), S. 325-325 
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    Notes: [Auszug] TO the commercial grower and to the student a new edition of C. P. QuarrelPs book is a matter of some importance. This is something more than a mere revision of the earlier editions ; it is almost a new book. There could not be a better illustration of the rapidity with which horticultural ...
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    Nature 166 (1950), S. 64-64 
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    Notes: [Auszug] IN the United States the Office of Education forms one department of the Federal Security Agency. In his annual report to the Federal Security Administrator for 1949, the Commissioner for Education directs attention to inadequacies in the educational system which sound very familiar to ...
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    Nature 166 (1950), S. 66-66 
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    Notes: [Auszug] Weak organic electrolytes and, in particular, aromatic organic ions can be adsorbed on an ion-exchange resin by a combination of salt linkages and Van der Waals' adsorption forces, if the electrical charge of the resin has the opposite sign to that of the organic ions. Partridge1 and Davies2 have ...
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    Nature 166 (1950), S. 67-68 
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    Notes: [Auszug] It appeared probable that greater travel, allowing a faster separation, might be obtained by using an organic acid instead of hydrochloric acid. Acetic and trichloracetic acids were chosen for trial. For experiments with the first, the bases were applied as solutions in 5 per cent acetic acid, and ...
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    Nature 166 (1950), S. 330-334 
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    Notes: [Auszug] IF we slide one solid body over another, there is a resistance to the motion which we call friction. What is the cause of this, and what is really happening at the interface between the solids during sliding ? It is usually considered that friction is a nuisance, and from earliest times man has ...
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    Nature 166 (1950), S. 70-71 
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    Notes: [Auszug] The usual temperature conditions of engine operation, especially those of the C.F.R.-A.S.T.M. knock-rating procedure, are such that finely divided carbon is obtained after spark ignition by method (a). It is possible, however, to provide low surface-temperature conditions in which the carbon is ...
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    Nature 166 (1950), S. 336-336 
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    Notes: [Auszug] Prof. R. G. Batson PROF. R. G. BATSON retires at the end of September from the John William Hughes chair of civil engineering in the University of Liverpool. After leaving King's College, London, he received practical training at Woolwich Arsenal. In 1908 he went to the National Physical ...
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    Nature 166 (1950), S. 73-73 
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    Notes: [Auszug] From these observations followed a series of breeding experiments to determine the full series of variations and some food-plant preferences, including the part played by weeds of cultivated land in carrying over the species from one year to the next. These experiments extended from 1939 to 1942. ...
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    Nature 166 (1950), S. 337-337 
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    Notes: [Auszug] Fertility and Sterility, of which the first number was published in January (1, No. 1 ; pp. 99 ; New York : Paul B. Hoeber, Inc., Publishers, 49 East 33rd Street, New York 16 ; 8 dollars or 9.50 dollars a year) is the official journal of the American Society for the Study of Sterility. The general ...
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    Nature 166 (1950), S. 72-72 
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    Notes: [Auszug] The plants and insects used were chiefly broad beans infested with Aphis fabce, Scop.; but some young cabbages infested with Myzus persicce, Sul., young peas with Acyrihosiphum onobrychidis, Fons. and uninfested strawberry plants and newly sprouted hop sets were also employed. The plants were kept ...
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    Nature 166 (1950), S. 75-75 
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    Notes: [Auszug] The genus Ulva has also proved a rich source of new species, in many cases differing markedly from existing species. Cultural studies of two of the new species may result in their transfer to a new genus, because herbarium material suggests that the reproductive cells differ from the vegetative ...
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    Nature 166 (1950), S. 77-77 
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    Notes: [Auszug] Forty-seven newly born white rats from eight litters (our own breed) were killed at various ages and the percentage dry weight and the chlorides as a percentage of dry weight were determined. The results are shown in Figs. 1 and 2. It was observed that at the time when the animals' eyes open (that ...
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    Nature 166 (1950), S. 80-80 
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    Notes: [Auszug] Monday, July 10Friday, July 14 SOCIETY OF CHEMICAL INDUSTRY (at Newcastle-upon-Tyne).-Annual General Meeting. Tuesday, July 11 BRITISH STANDARDS INSTITUTION (at 24 Victoria Street, London, S.W.I), at 3 p.m.Annual General Meeting. Tuesday, July IISaturday, July 15 FOURTH WORLD POWER CONFERENCE ...
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    Nature 166 (1950), S. 80-80 
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    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: ASSISTANT ADVISORY BOTANIST (with a degree in agriculture or pure science, with honours in botany)The Secretary, Edinburgh and East of Scotland College of Agriculture, 13 George Square, Edinburgh 8 (July ...
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    Nature 166 (1950), S. 338-338 
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    Notes: [Auszug] NEW moon occurs on September 12d. 03h. 29m. U.T., and full moon on Sept. 26d. 04h. 21m. The following conjunctions with the moon take place : Sept. lOd. 20h., Venus 1 S. ; Sept. 16d. 17h., Mars 3 N. ; Sept. 23d. 13h., Jupiter 1 N. In addition to these conjunctions with the moon, the following other ...
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    Nature 166 (1950), S. 5-5 
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    Notes: [Auszug] TO give a satisfying account of magnetism in some two hundred pages is a considerable undertaking ; to accomplish this as excellently as he has done, Dr. Shoenberg must have given a great deal of thought to the impact of quantitative ideas and conventions on the general reader meeting them for the ...
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    Notes: [Auszug] THIS book is a supplementary volume to the fourth revised edition of "Reilly and Rae" published in 1943. It contains much material that could not be accommodated in Vols. 1 and 2 and much additional information that has become available as a result of post-war advances in physical chemistry. It may ...
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    Nature 166 (1950), S. 7-9 
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    Notes: [Auszug] THERE exists in the Cavendish Laboratory an extensive collection of apparatus used in the great era of classical physics. The start of modern physics is generally identified with J. J. Thomson's experiments on the electron in 1896, but a revolution of equal importance was taking place in the times ...
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    Nature 166 (1950), S. 15-15 
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    Notes: [Auszug] DR. H. D. SPRINGALL who has been appointed to the chair of chemistry in the University College of North Staffordshire, has a wide chemical interest and experience, and possesses the rare distinction of an equal facility in both the organic and physical aspects of chemistry. He gained an open ...
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    Nature 166 (1950), S. 16-16 
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    Notes: [Auszug] FISHERIES research in Newfoundland, which was formerly the responsibility of the Newfoundland Government Laboratory, is now being carried on under the Fisheries Research Board of Canada. The name of the Laboratory has been changed to that of the Newfoundland Biological Station. This Station will in ...
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    Notes: [Auszug] THE fourteenth annual report of the Committee for the Brotherton Collection of the University of Leeds, covering the session 1948-49 (pp. 9 ; Leeds : the University, 1950), records the contents of the Collection on June 30, 1949, as 22,887 books, 15,642 pamphlets, 477 manuscripts, 4,105 deeds, ...
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    Nature 166 (1950), S. 17-17 
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    Notes: [Auszug] In Nature of June 3, p. 868, in a notice of "Biology and Man", it is stated that the author is senior biology master at Winchester College ; Dr. F. G. W. Knowles is, in fact, senior biology master at Marlborough ...
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    Nature 166 (1950), S. 19-20 
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    Notes: [Auszug] SHELL disease in oysters has been prevalent in the Netherlands for many years and was the cause of serious mortalities in the years following 1930 1. A full account of this disease has never been published ; but at the special shellfish meeting of the International Council for the Exploration of ...
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    Nature 166 (1950), S. 22-24 
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    Notes: [Auszug] THE St. Ives Research Station, at Bingley, Jl Yorkshire, of the Board of Greenkeeping Research may be said to have started its active investigational and advisory work on June 1, 1929, and the twenty-first anniversary of the Station is to be marked by a three-day conference in mid-September, under ...
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    Notes: [Auszug] IN a recent issue of the Health Education Journal (8, No. 2 ; April 1950), Prof. F. C. Thomson, of the School of Public Health, University of Minnesota, describes the courses in health which are being given in the University. Teaching of general courses in health is one of the functions and ...
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    Notes: [Auszug] Fig. 1. Reference mercury spectrum (on left) and similar recording (on right) for living cell in tissue culture (chick embryo heart). Wave-length scale in 10 niju The principle of the method has been described by Barer1 and by Barer, Cole and Thompson2 in their use of the Burch3 reflecting ...
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    Notes: [Auszug] In general, it is found that the dielectric loss factor continues to increase with decreasing frequency in this region. In the course of these experiments it was observed that the highest losses were associated with materials which had been purified by vacuum distillation. Subsequent ...
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    Nature 166 (1950), S. 31-32 
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    Notes: [Auszug] I wish to suggest a new theory of spot origin. One basic assumption is that the sun possesses a general magnetic field, the polar intensity of which is probably only several gauss, from ten or twenty times less than the value usually quoted. The form of the solar corona, which strongly suggests the ...
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    Notes: [Auszug] We have devised such a method, using as our measure the area of the starch-grains. Strips of epidermis were mounted in Heath's1 reagent (which stains the starch without affecting the aperture), and stomata selected at random were photographed on 35-mm. film (Kodak 'Microfile'). The resulting ...
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    Nature 166 (1950), S. 36-36 
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    Notes: [Auszug] The possibility that 'cold' auto-antibodies might also exist in incomplete forms seems, however, scarcely to have been considered. Although Levine and Wigod4 mentioned that ccold' agglutinins might be a cause of confusion in carrying out the Coombs 'developing' test, they gave no details of the ...
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    Notes: [Auszug] My records showed that this cross had two associations of four chromosomes, indicating that two separate chromosomes are involved in the two interchanges. This I have confirmed by a re-examination of the slides. Fig. (a) shows the meiotic chromosome complement in the hybrid between the Extra Rapid ...
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    Nature 166 (1950), S. 39-40 
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    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: ASSISTANT LECTURER IN THE DEPARTMENT OF ZOOLOGY The Registrar, University College, Hull (July 8). LECTURER IN BIOLOGY (preferably with qualifications in Zoology and Physiology) The Registrar, Nottingham and ...
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    Notes: [Auszug] (not included in the monthly Books Supplement) Great Britain and Ireland B.I.O.S. Surveys Report No. 22 : The Paint Industry in Germany during the Period 1939-1945. By Neil R. Fisk and H. W. Brown. Pp. 153+4 plates. (London: H.M. Stationery Office, 1950.) 3s. net. [274 Ministry of Fuel and ...
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    Nature 165 (1950), S. 1000-1000 
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    Notes: [Auszug] A NEW type of flexible heating jacket with a very wide range of uses, the 'Stabilag' infra-red heating jacket, has been marketed by Electricals, Ltd., Newcastle upon Tyne, 2. The jackets are moulded to fit any shape or size of apparatus and consist of a closely pitched heating element stitched to a ...
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    Nature 165 (1950), S. 1008-1008 
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    Notes: [Auszug] LAST year it was announced that the Montreal headquarters of the International Civil Aviation Organisation had obtained agreement on a plan to standardize the dimensional units used in air/ground communications in civil aviation and that this agreement has been implemented by a considerable number ...
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    Nature 166 (1950), S. 353-354 
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    Notes: [Auszug] Glutamine reverses the inhibitory effect of methionine sulphoxide, a close analogue of the toxic factor, on the growth of Lactobacillus arabinosus* and streptococci5'6, and we have found that it also nullifies the toxic effect of the factor on Leuconostoc mesenteroides. Some typical data are ...
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    Nature 166 (1950), S. 354-355 
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    Notes: [Auszug] Distribution of retained aerosols of radioactive materials has been studied by Scott et al.3. The particle-sizes in this work were too inhomogeneous and the densities far too high to be relevant to bacterial aerosols ; but the techniques suggested a most fruitful approach. Various workers have ...
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    Nature 165 (1950), S. 1013-1014 
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    Notes: [Auszug] On August 13, 1949, at 3 hr. 20 min. TT.T., during the co-operative programme of meteor observation being carried out by the Dominion Observatory and the National Research Council at Ottawa, a bright Perseid meteor of visual magnitude -4 was well observed by photographic, radio and visual methods. ...
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    Notes: [Auszug] Thin gold and both thick and thin lead radiators were used, and in each case a weak K photo-electron line from a gamma-ray of energy 198 ± 2 keV. was observed. Measurements were also made on the continuous spectrum of Compton electrons ejected from the brass capsule containing the active ...
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    Notes: [Auszug] This suggestion has been tested by an examination of sudden commencements recorded at the Lerwick Observatory (Shetland Is.) between April 1934 and December 1949. This examination yielded a total of 340 sudden commencements. Following Ferraro and Parkinson's classification, 65 of these 340 Lerwick ...
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    Nature 165 (1950), S. 1021-1022 
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    Notes: [Auszug] Guided by such conceptions, we have examined the effect on dividing cells in roots of Allium cepa of some gaseous narcotics propane, nitrous oxide, argon, nitrogen, etc. applied at sufficient pressure, that is, at sufficient concentration, to reach values of thermodynamic activity of the effective ...
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    Nature 165 (1950), S. 1024-1025 
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    Notes: [Auszug] Like Heinze2 and Broadbent3, we have failed to find any evidence, in a variety of field and laboratory observations, that aphids are attracted to their hosts in this way. In 1947, autumn migrants of the peach-potato aphid, Myzus persicce (Sulzer), were caught alighting quite indiscriminately on ...
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    Nature 165 (1950), S. 1026-1026 
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    Notes: [Auszug] I have examined material of all these industries and I can allay Mr. Burkitt's fears that they may not, in fact, belong to one and the same culture. They undeniably do so, in exactly the same way that industries of the great Chelles-Acheul culture do over an even wider area. Confusion, as Mr. ...
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    Nature 165 (1950), S. 999-999 
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    Notes: [Auszug] AT a meeting of the Council of the National Institute of Sciences of India, held on May 5, research fellowships (normally tenable for two years) were awarded to the following for work in particular fields at the places shown. National Institute of Sciences /Senior Research Fellowships : S. P. Basu ...
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    Nature 165 (1950), S. 946-946 
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    Notes: [Auszug] FOR some time now the eye has occupied a prominent position in recent physiological re-search, as emphasized by the fact that the physiology of the retina is one of the themes selected for a general discussion at the International Congress of Physiolog., to be held in Copenhagen in August. Various ...
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    Nature 165 (1950), S. 950-952 
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    Notes: [Auszug] A MEETING of the Acoustics Group of the Physical Society held on April 25 at the National Hospital, Queen Square, London, W.C.I, took the form of a discussion on the technique of subjective measurements. The greater part of the discussion naturally dealt with subjective experiments in acoustics, ...
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    Nature 165 (1950), S. 956-956 
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    Notes: [Auszug] WE regret to announce the following deaths : Dr. H. A. Dickie, general manager of research at Stewarts and Lloyds, Ltd., aged fifty-four. Prof. Merle Randall, emeritus professor of chem-istry in the University of California, Berkeley, on March 17, aged ...
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    Nature 165 (1950), S. 957-958 
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    Notes: [Auszug] MANY American universities have flourishing schools of public health engineering, some at under-graduate level, but mostly postgraduate. In Great Britain the subject as one for university study has been very badly neglected, in spite of its importance both at home and in the Colonial Empire. The ...
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    Nature 165 (1950), S. 944-945 
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    Notes: [Auszug] THIS is likely to remain the standard treatise on the fissuration of the primate brain for a con-siderable time. The object the author had in view was to bring together and systematize hot only the various papers he himself has published on the convolutions and fissures of the brains of ape and ...
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    Nature 165 (1950), S. 946-947 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is now fourteen years since the sulphonamides were introduced into medicine, and, as the preface of this book states, "the subject may usefully be reviewed with that degree of detachment which is essential if the views expressed are to have some permanency". The book is, indeed, an admirable ...
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    Nature 165 (1950), S. 955-955 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE opening of the new John Innes Institution was celebrated at Bayfordbury on June 2 before a gathering of about five hundred visitors, including representatives of some fifteen countries. The visitors were welcomed by the chairman of the Council, Colonel F. C. Stern, who gave an appreciation of ...
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    Nature 165 (1950), S. 952-955 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ON March 16 the Royal Society held an all-day discussion meeting on the "Measurement of Growth and Form". Prof. S. Zuckerman introduced the ten formal contributors by saying that this was the fourth symposium having growth as its subject-matter that had been held during the past five years. The ...
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    Nature 165 (1950), S. 957-957 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE fiftieth anniversary of the discovery of the Grignard reagents by Victor Grignard was celebrated at the University of Lyons on May 13. The cele-brations were organised in collaboration with the Soci6te Chimique de France, Industries Chimiques de la Region Lyonnaise, Association des Anciens ...
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    Nature 166 (1950), S. 287-287 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN this second edition of his book, Prof. L. E. Steiner has added some new material and has modified the arrangement somewhat. The section on statistical methods has been expanded into a very clear and useful chapter. The whole text is sufficiently detailed to meet the needs of all kinds of ...
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    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 287-287 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE chemistry of the paraffin hydrocarbons has grown enormously in recent years, chiefly owing to the study of these hydrocarbons present in petroleum. The alkylation of alkanes is of particular importance, as it is a reaction which enables one to produce branch-chain products from straight-chain ...
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    Nature 166 (1950), S. 287-287 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MORITZ SCHLICK was a leader, if not the leader, of the philosophical school known in the 1920's as the Vienna Circle. He was assassinated while on his way to lecture an unusual death for a professor. This was in Vienna in 1936, and the assassin was a lunatic. The book consists of an outline of a ...
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    Nature 166 (1950), S. 292-294 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A MEETING on agricultural genetics held at Rieti during May 30-June 3, although originally announced as a meeting of the Italian Society of Genetics and Eugenics, proved to be a truly international gathering, with representatives from Sweden, France,. Switzerland, Spain, Portugal, Yugoslavia, Great ...
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    Nature 166 (1950), S. 288-292 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FEW biological problems are of such basic interest as the elucidation of the process whereby proteins are synthesized in the cell. Despite much inquiry, however, the nature of the mechanisms involved remains obscure. Since the amino-acid residues in the protein molecule are linked together mainly ...
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    Nature 165 (1950), S. 980-980 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Comparison of Tables 1 and 2 shows the enormous increase in microbial numbers due to the planting and growth of trees. Also it will be seen from Table 2 that the highest numbers of micro-organisms are found in the top few inches. Here, too, the formation of a thin zone of humification is evidence ...
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    Nature 165 (1950), S. 982-982 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (Meetings marked with an asterisk * are open to the public) Monday, June 19 UNIVERSITY OF LONDON (in the Assembly Hall, Institute of Education, Malet Street, London, W.C.I), at 5.30 p.m.Prof. Margaret H. Read: "Education and Cultural Tradition" (Inaugural Lecture).* Tuesday, June 20 ...
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    Nature 165 (1950), S. 906-907 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is evident from the title of this book that Prof. Zirkle does not approach his subject with an unbiased mind. This is a pity, because it would be very useful to have a properly edited collection of the scientific documents on which Michurinian genetics is founded, with dispassionate and informed ...
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    Nature 165 (1950), S. 906-906 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] THE gestural or 'ta-ta' theory of the origin of language has a long pedigree, beginning with Plato and achieving its most notable modern exponent in Sir Richard Paget. That Prof. J6hannesson had been attracted to this theory was evident from his earlier work, "Um Frumtungu Ind6germana og ...
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    Nature 165 (1950), S. 914-915 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Prehistoric Society held a very successful conference on "The Older Stone Ages : Recent Trends and Discoveries" at the Institute of Archaeology of the University of London during April 14r-16. The conf srence was under the able chairmanship of Prof. C. F. C. Hawkes, and the smooth running of ...
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    Nature 165 (1950), S. 917-917 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR. A. R. GEMMELL, who was recently elected to the chair of biology in the University College of North Staffordshire, is thirty-seven years of age. He received his training in the University of Glasgow and later, as a Commonwealth Fund Fellow, in the University of Minnesota. Dr. Gemmell has a wide ...
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