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  • Nature Publishing Group  (3,739)
  • 1980-1984
  • 1955-1959  (3,739)
  • 1957  (3,739)
  • 1
    Electronic Resource
    Electronic Resource
    Economics and Common Sense (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1441-1441 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROF. E. WHITTAKER starts his consideration from the choices before individuals, farmers, businesses, voluntary groups and organs of government. This enables him to raise in his readers' minds the economic questions which may legitimately be asked. He sets out the quantities by which decisions ...
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    URL: http://dx.doi.org/10.1038/1801441a0
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  • 2
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    Electronic Resource
    Sydney Young (1857–1937) (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1451-1451 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE youngest son of a prosperous Liverpool merchant, Sydney Young was born at Farnworth, near Widnes, in Lancashire, a century ago on December 29, 1857. He was educated at the Liverpool Royal Institution, at Owens College, Manchester, where he was a student of Sir Henry Roscoe and of Carl ...
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  • 3
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    Availability of Russian Scientific Literature (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1451-1451 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Parliamentary Secretary to the Ministry of Works, as representing the Lord President of the Council, was again questioned on December 10 regarding the translation of Russian scientific and technical literature, and said that many individual scientists with a knowledge of Russian are employed ...
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  • 4
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    Physics in American Schools (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1452-1452 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE American Institute of Physics, in collaboration with the American Association of Physics Teachers and the American Physical Society, with the support of the Fund for the Advancement of Education and the National Science Foundation, is embarking on a programme to help improve the quality and ...
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  • 5
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    The Technische Hochschulen of Western Germany (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1445-1448 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS brief survey of the German Technische Hochschulen (technical high schools) presents a short history of their development and scientific achievements, and concludes with an account of their provisions for broad non-vocational courses under the name of the Studium Generale. It is based upon ...
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  • 6
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    International Palæontological Union (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1452-1452 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE International Palseontological Union has hitherto functioned as a department of the International Geological Congresses, but at the 1956 Congress in Mexico it was decided to extend its activities, and it is now proposed to publish a directory to the palaeontologists of the world. The expanding ...
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  • 7
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    Announcements (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1454-1454 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Kalinga Prize for the popularization of science, offered annually by the United Nations Educational, Scientific and Cultural Organization, has been awarded for 1957 to Earl Russell (Bertrand Russell). A SYMPOSIUM on "The Chemistry of Plastics" will be held on February 14 and 15 at the Bradford ...
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  • 8
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    Ionophoretic and Chromatographic Analysis of Single Dust Particles (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1472-1473 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A few workers have adapted microchemical spot tests to examine individual particles in atmospheric dust1, 'smog' and fog2, and air pollution3; but otherwise relatively little work appears to have been done in this direction. A microscopic ionophoretic and chromatographic method has been developed4 ...
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  • 9
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    Group Localization Energy and Polarographic Half-Wave Potentials of Aromatic Nitro Compounds (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1473-1474 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It is now fairly well established that aromatic nitro compounds undergo reduction at a dropping mercury electrode by a four-electron four-proton addition step and in the acid region one sharp polarographic wave is obtained. The process may be represented as : C6H6N02 + 4e~ + 4H+ -〉 C6H5NHOH + H2O ...
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  • 10
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    The Glass Scratch Effect and Molecular Structure (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1475-1475 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] After sedimentation, the dust yields two typical patterns, with intermediate stages, namely, an even deposit over the whole bottom of the tube, characteristic of aggregated particles, produced by most substances ; or a small pellet at the very tip, characteristic of non-aggregated particles, ...
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  • 11
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    Starch Gel Electrophoresis in a Discontinuous System of Buffers (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1477-1479 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The gels are made from a buffer containing 0-076.M ^s-(hydroxymethyl)-aminomethane (Sigma 121) and 0-005 M citric acid (pH. 8-65). These gels are used as a discontinuous buffer system with 0-3 M boric acid and 0-05M sodium hydroxide in the electrode vessels. A markedly better separation of the ...
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  • 12
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    Secretion of Progesterone by the Adrenal Gland (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1480-1481 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Adrenal venous blood was collected from animals under pentobarbitone sodium anaesthesia. The blood was cooled over ice during collection, and the plasma separated by centrifugation. This plasma was then treated with sodium hydroxide5 to give a final concentration of 0-5 per cent w/v. It was ...
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  • 13
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    Control of Humoral Factors of the Zona Glomerulosa of the Adrenal Cortex (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1481-1482 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Since these changes occur only in the presence of the pituitary, it may be assumed that one of the hormones of the anterior lobe, either a special corti-cotrophine1 or another substance, might be responsible. Normal adrenocorticotrophic hormone is rather unlikely, because similar amounts of ...
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  • 14
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    Serological Studies on Fusarium oxysporum Schl. emend Sn. et H. (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1483-1483 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have studied this problem on various physiological races of Fusarium oxysporum Schl. emend Sn. et H., which cause vascular browning and wilting of different host plants. Generally, cross-infection is not possible ; for example, isolates of the fungus from Pisum sativum do not attack Lupinus ...
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  • 15
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    Chemical Examination of the Water of Flooded Rice Fields (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1484-1485 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To replace the destroyed roots, adventitious roots develop from the nodes. However, these solve only partly the problem of nutrient uptake by ion-exchange, since they remain in the water, which is poor in nutrients and lacks various essential elements. To discover which nutrient ions may be ...
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  • 16
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    Molybdenum Deficiency in Latosols of Java (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1485-1486 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Arnon (1937) demonstrated in pot culture experiments that molybdenum is essential for barley, and Arnon and Stout1 showed that it is essential for tomatoes. Molybdenum deficiency in the field was first recognized, in Australia, by Anderson 2, with clovers on acid sandy soil. Legume root nodule ...
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  • 17
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    Structure and Functioning of the Nervous System (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1388-1390 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN his presidential address to Section D (Zoology) of the British Association, meeting at Dublin on September 5, Prof. J. Z. Young considered the problem of describing the self-adapting control systems of living organisms and the development of memories within the nervous system. He referred to an ...
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  • 18
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    Photographic Observations at the Union Observatory, South Africa (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1392-1393 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] UNION Observatory Circular No. 116 (1957) contains seven papers, the first of which, "Photographic Observations of Minor Planets", by J. A. Bruwer, gives the positions of 163 minor planets (mean place 1950.0), followed by "Photographic Observation of Comets", by the same author. The latter paper ...
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  • 19
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    Safety in the Chemical Industry (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1397-1399 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A SYMPOSIUM on "Safety in the Chemical Industry", arranged by the London Section of the Society of Chemical Industry, was held during October 14-15 at the Royal Institution. The chemical industry covers an enormously wide field of activity, and safety within it bears a direct relationship to ...
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  • 20
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    Enhancement of Vitamin B 12 Absorption by Substances other than Intrinsic Factor (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1401-1402 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] VITAMIN B12 absorption has been assumed to be limited by the level of intrinsic factor present in a test animal1; however, with massive doses, diffusion through the intestine has been observed to occur2. Recently, a preparation*, free of intrinsic factor, was observed to increase the absorption ...
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  • 21
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    Noise and the Visual Threshold (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1405-1405 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BOTH Bulmer and Howarth and Cane and Gregory accept the logarithmic relation between impulse frequency (r) and light intensity (I) expressed in the formula r=Y]+6 log(a/ + e) (a, b, constants; TQ, e, random variables representing neural and retinal noise), but it does not appear to be generally ...
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  • 22
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    Photographic Densitometry with the Two - Wave-length Method (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1408-1408 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The photographic two - wave-length method is intended for objects falling into the above categories. The objects to be measured are photographed at a convenient magnification using monochromatic light. The resulting black and white negative is contact -printed, and the positive plate is developed ...
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  • 23
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    Spiral Crystals of Meconin (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1412-1412 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 24
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    Differential Thermal Characteristics of Peat (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1414-1415 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The apparatus used was somewhat similar to that described by Grimshaw and Roberts1, in that oxygen was passed over the sample in a porous, ceramic holder block at a rate of 200 ml./min. Samples consisted of 10 mgm. oven-dried peat diluted with 190 mgm. calcined kaolinite, the inert material being ...
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  • 25
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    5-Hydroxytryptamine and Anaphylactic Shock (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1417-1417 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have now attempted to detormine, using the Dale-Schultz reaction, whether the substance responsible for the contraction of the sensitized guinea pig and rat uteri in the presence of antigen is histamine or 5-hydroxytryptamine. It was found that the guinea pig uteri (whether from sensitized or ...
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  • 26
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    Induction of Mouse Leukæmia with Purified Nucleic Acid Preparations (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1419-1420 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It is evident, therefore, that while this phenomenon could be due to the transfer of discrete infective virus particles (here defining 'virus' in conventional terms which exclude the so-called pro virus), it could also be visualized either as a process analogous to transduction by an agent ...
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  • 27
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    Toxicity of Erythromycin (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1429-1430 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Hartley strain albino guinea pigs weighing 300-400 gm. were employed throughout this work. These animals were obtained from a single source and were free of intercurrent infection with bacterial pathogens. They were maintained in a const ant-temperature environment on rabbit chow (without ...
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  • 28
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    An Effect of Hexylresorcinol on Bacterial Aerosols (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1425-1426 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] When spraying bacterial aerosols into atmospheres containing small concentrations of hexylresorcinol vapour (0-1 ^gm./l.), we observed that the initial recovery of the organisms immediately after spraying was frequently very much less than could be accounted for by the often rather slow ...
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  • 29
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    Antimitotic Activity of 5-Tertiary Butyl Benzimidazolone (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1428-1429 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A single oral dose of 5-tertiary butyl benzimidazolone 400 mgm./kgm. caused an increase in the percentage of mitotic figures in the bone marrow, which reached a maximum value of 6-17 per cent within 3-8 hr. and returned to normal by 14 hr. The marrow of untreated control rats showed only 1-2 per ...
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  • 30
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    Chemical Nature of Parathyroid Hormone (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1429-1429 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Upon undertaking the problem of the isolation of parathyroid hormone, it seemed imperative to us to perform experiments to confirm, if possible, the work of Raoul et al.s. They claimed that it was possible to obtain non-nitrogenous extracts containing a specific activity of 300 u./mgm. by three ...
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    Dr. Paul D. Merica (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1321-1321 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE regret to announce the death of Dr. Paul D. Merica, of the International Nickel Co. of Canada, in New York on October 20. Dr. Merica was born in Warsaw, Indiana, in 1889. He attended De Pauw University during 1904-7, graduated from the University of Wisconsin in the following year, and received ...
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  • 32
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    A Method for concentrating Pollen Grains and Small Fossil Remains from Fibrous Peats and Moss Polsters (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1437-1437 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A modification of the standard sieving technique for peats1 has been developed for extracting pollen and other small plant remains (for example, seeds, epidermal tissues and fungal fruiting bodies) from fibrous peats in Western Australia. The method involves the use of small wire gauze tubes into ...
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  • 33
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    Annual Review of Biochemistry—A Perennial Problem (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1307-1307 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE twenty-sixth volume of the "Annual Review of Biochemistry" shows several changes. The number of chapters is reduced from twenty-three to twenty, the sections on lipid chemistry, cancer, imnaunochemistry, viruses, cellular particles, drugs and fungi being omitted and replaced by sections on ...
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    Annales de I'Institut Phytopathologique Benaki (1957)
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    Nature 180 (1957), S. 1322-1323 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE is nothing in the first number of a new series of the Annales de rInstitut Phytopathologique Benaki (Nouvelle Serie, 1, No. 1, 1957. Pp. 90. K1957), which is well produced, with large print and generous margins, to show whether it is typical of what is to come. Its ninety pages consist solely ...
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    Lighting, Heating and Ventilation of Museums (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1323-1324 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the Museums Journal cf October, M(ssrs. W. E. Rawson-Bottom and B. S. Cooper contribute an important paper on the use of both natural and artificial lighting in museums. Following a brief review of early attempts in lighting, its present value as one of the essential factors of effective display ...
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    Museum of Applied Arts and Sciences, Sydney (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1324-1324 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE annual report for 1956 of the Museum of Applied Arts and Sciences at Sydney is a purely factual statement concerning a year of progress of this well-known institution. Such is the popularity of the planetarium that serious consideration is being given to the replacement of the present projector ...
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    Solar Energy and the Depth of the Earth (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1324-1324 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SINCE 1946 N. V. Belov and V. I. Lebedev have published a number of articles in which they have developed their hypothesis of the probable source of energy of endogenetic processes, and now they have presented their final and comprehensive outline of this hypothesis (Belov, N. V., and Lebedev, V. ...
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    International Collegium for Neuro-Psycho-Pharmacology (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1324-1325 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A MEETING was held in Zurich on September 3 during the Second International Congress for Psychiatry of investigators from different countries for the purpose of founding an International Collegium for Neuro-Psycho-Pharmacology. It was decided unanimously that such a Collegium should be formed with ...
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    Meteorites Conference in Moscow (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1325-1325 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A BRIEF report on the seventh Meteorite Conference, which was held in Moscow towards the end of 1956, is published by E. L. Krinov (Priroda, No. 7, 57 ; 1957). The Conference was attended by about a hundred delegates, and thirty papers were read and discussed. A number of papers dealt with the ...
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    Mucopolysaccharides from Cartilage and Nucleus Pulposus (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1341-1342 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Extracts of (a) cartilage from horse nasal septum and (6) nucleus pulposus from human intervertebral disk were made using aqueous solutions of 30 per cent potassium chloride and 1 per cent potassium carbonate4. These were centrifuged, and the resulting solutions were dialysed. The retained soluble ...
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    Photochemical Stability of Dyes in the Solid State (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1349-1350 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It was observed that the aminoanthraquinone compounds are much more stable to the action of near ultra-violet and visible light when present in the form of a solid film on quartz rather than as a dyeing on a polymer film. This difference in photochemical stability is illustrated in Fig. 1 by the ...
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    Anion Exchange Chromatography and Molecular Size of Deoxyribonucleic Acid (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1355-1356 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Specimens of deoxyribonucleic acid were prepared from the white blood cells of two patients with chronic lymphatic leukaemia who had been treated with X-rays. The acid from each patient was prepared both by a detergent method3 and the Sevag amyl alcohol-chloroform procedure4. Analyses by the ...
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    Royal Society: Officers (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1237-1237 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT the anniversary meeting of the Royal Society on November 30, Sir Cyril Hinshelwood was re-elected president. Prof. W. V. D. Hodge, Lowndean professor of astronomy and geometry in the University of Cambridge, was elected physical secretary in succession to Sir David Brunt. The other officers ...
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    British Museum (Natural History) (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1238-1238 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AMONG the more important recent acquisitions to the British Museum (Natural History) is a gift by Mrs. P. Harwood of the very fine collection of British insects amassed by the late Philip Harwood, formerly of Kincraig, Inverness-shire, and latterly of Wim-borne, Dorset, during a life-time devoted ...
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    Root Nodules of Casuarina (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1238-1239 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] G. BOND has reported that young plants of Casuarina cunninghamiana and C. equisetifolia, growing in water culture, developed macroscopic nodules in 26-35 days from inoculation, the nodula-tion being most successful at £〉H near neutrality and falling off much more rapidly at lower pH tkan in ...
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    Susceptibility of the Hedgehog ( Erinaceus europaeus ) to Infection with Leptospira pomona (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1372-1372 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In view of its feeding habits, the hedgehog, which was introduced into New Zealand some sixty years ago and has now become extremely numerous in most districts, suggested itself as a possible alternative reservoir of infection. I have recently caught some thirty hedgehogs in a suburban garden area ...
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    Anthropology at the Australian National University: J. A. Barnes (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1237-1237 
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    Notes: [Auszug] PROF. J. A. Barnes has been appointed to the chair of anthropology in the Research School of Pacific Studies, formerly occupied by the late Prof. S. F. Nadel. Prof. Barnes, who will take up his new post in June, 1958, graduated from the University of Cambridge and received a doctorate of philosophy ...
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    Occurrence of the Meta-stable Omega Phase in Zirconium Alloys (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1406-1406 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An extensive survey of the occurrence of the co-phase in zirconium alloys is being carried out in these laboratories. The results to date indicate the occurrence of the co-phase in the following alloys : zirconium-50 at. per cent titanium, zirconium-7 at. per cent vanadium, zirconium-13 at. per ...
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    Crystal Structure of Oximes (1957)
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    Nature 180 (1957), S. 1410-1412 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Syn-3?-chlor-)benzaldoxime. The structure viewed along the &-axis. The interatomic distances are in angstrom units; their maximal error is estimated to be 0 *04 A. (The figures in rectangular frames indicate the distances in A. from an approximating plane through the benzene ring) ...
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    Suppression of Bubbling in Boiling Refrigerants (1957)
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    Nature 180 (1957), S. 1413-1414 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A more detailed investigation showed that the magnitude of the drop in temperature depended only on the proportion of added gas to vaporized refrigerant, above the liquid, but not on whether the gas was helium, hydrogen or neon. Furthermore, the temperature reached by the liquid nitrogen was found ...
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    Modified Method of Carbon Marking (1957)
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    Nature 180 (1957), S. 1415-1415 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the method described here, however, these surface-tension effects are eliminated, and hence the needle need not be held perpendicular, and the marking can be carried out slowly and deliberately, and therefore with greater accuracy. Fig. 1. The components of the carbon-marking device are shown. ...
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    Ineffectiveness of Selenium in the Treatment of Nutritional Muscular Dystrophy in the Rabbit (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1419-1419 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Eight New Zealand white rabbits were fed a tocopherol-deficient diet containing 35-4 per cent 'Cerelose', 37 per cent corn starch, 15 per cent casein, 5 per cent molecular distilled lard, 4 per cent salts, 3 per cent cellulose and a complete vitamin mixture except for vitamin E. Creatine and ...
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    Life-time of an Artificial Earth Satellite (1957)
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    Nature 180 (1957), S. 1413-1413 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Let h be the height at perigee and h + 2hl the height at apogee, both measured from the centre of the Earth. Using polar co-ordinates with r as the distance from the centre of the Earth (the assumed origin) and 0 the angle measured from perigee : r~ ft +7^(1-0080) and near perigee, where air ...
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    Decomposition of Chloro-organic Acids by Fungi (1957)
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    Nature 180 (1957), S. 1416-1416 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Substrate and concentration Incubation (days) Per cent ionized Cl : Group I Group 11 Monochloroacetate, 0-04 M Dichloroacetate, 0-02 M Monochloropro-pionate, 0-04 M 7 14 7 14 7 14 8-53 76-100 1-17 7-28 0-9 2-17 0-3 4-7 0-2 5-7 0-2 4-5 The fungi of Group I displayed a similar ...
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    Photosensitivity of Hæm Compounds (1957)
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    Nature 180 (1957), S. 1416-1417 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The compounds were examined by the flash photolysis method3 the layout of the apparatus following the description of Gibson4 except that 300.7 were dissipated in each of two borosilicate glass flash tubes and that a Hilger monochromator type D 246 was used instead of interference filters. Taking ...
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    Inhibition of Ascorbic Acid Oxidase by Thiourea (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1417-1418 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Extracts of seeds germinated for 48 hr. in thiourea had no activity whatever, while extracts of water-germinated seeds had a high oxygen uptake (408 (/I./ hr./lOO mgm. seeds original weight). Seeds germinated for such a period in thiourea contain 1"2 mgm. thiourea per gm. of dry seeds5. In view of ...
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    Sensitization by Œstradiol to the Production of Experimental Nephrocalcinosis (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1420-1421 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Eighty female Sprague-Dawley rats with an average body-weight of 100 gm. (range : 95-111 gm.) were subdivided into eight equal groups and treated as indicated in Table 1. (Estradiol was administered in the form of micro -crystals at the daily dose of 500 ^gm. in 0-2 ml. of water, subcutaneously. ...
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    Red-Cell Survival in Familial Hæmolytic Anæmias (1957)
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    Nature 180 (1957), S. 1435-1436 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The case of sickle-cell anaemia studied by James and Abbott2 is the easiest of such cases to interpret because the tagged haem and stercobilin decay curves are the simplest ones yet available. But even for this case the tagged haem curves appeared to have two possible interpretations1. If b is such ...
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    Appointments Vacant (1957)
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    Nature 180 (1957), S. 1438-1438 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: ASSISTANT LECTURER IN HORTICULTURE and ASSISTANT WARDEN (single, male, with a university degree or diploma in horticulture and a sound knowledge of practical horticulture)-The Principal Agricultural Officer, ...
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    Reports and other Publications (1957)
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    Nature 180 (1957), S. 1438-1438 
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    Notes: [Auszug] (not included in the monthly Books Supplement) Great Britain and Ireland University Grants Committee. Report of the sub-committee on Halls of Residence. Pp. vi+54. (London; H.M. Stationery Office, 1957.) 3s. net. [309 Institute of Navigation. Report of the Council, 1956-57. Pp. 16. (London : ...
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    Voltage Stabilization (1957)
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    Nature 180 (1957), S. 1310-1310 
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    Notes: [Auszug] THIS book, as stated by the author in his preface, is based on a monograph published in 1950 and most of the material of this monograph (including ninety-three figures) is reproduced with little alteration. Additional material has, of course, been added. Like the monograph the book does not deal ...
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    Polymorphism in Plants, Animals and Man (1957)
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    Nature 180 (1957), S. 1315-1319 
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    Notes: [Auszug] AT all stages of plant evolution polyploidy and changes in the content of the chromosome-set have played a decisive part in the supply, and indeed in the control, of heritable variation. Their analysis into a unified concept of chromosome-genetics is due principally to Darlington1. A corresponding ...
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    Metallurgy at Oxford: Prof. W. Hume-Rothery, O.B.E., F.R.S. (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1321-1321 
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    Notes: [Auszug] THE development of metallurgical science at Oxford has been continuously associated with the work of Dr. Hume-Rothery, and his many friends will warmly welcome his appointment as the first Isaac Wolfson professor of metallurgy (see p. 1319 of this issue). Dr. Hume-Rothery was at the beginning of an ...
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    Journal of Mental Deficiency Research (1957)
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    Nature 180 (1957), S. 1322-1322 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE causation of mental disease of all types has tended to attract research workers perhaps less than in any other branch of medicine, and only the truly devoted have turned their energies into trying to discover the causes of mental deficiency. At first sight the mental defective seems so ...
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    Science in the Primary School (1957)
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    Nature 180 (1957), S. 1323-1323 
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    Notes: [Auszug] A USEFUL introduction to science has been described by B. L. H. Hampson, of Thomas Street School, West Gorton, Manchester (School Nature Study, 52 ; October 1957). He suggests that science teaching in the primary schools should no longer be restricted to Nature study, and that there should be ...
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    Announcements (1957)
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    Nature 180 (1957), S. 1325-1325 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Order of Merit has been conferred on Lord Waver ley, chairman of the Port of London Authority, formerly Lord President of the Council (as Sir John Anderson). DB. H. G. KUHN, reader in physics, University of Oxford, has been awarded a Cherwell Fellowship by the William Waldorf Astor Foundation ...
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    Transistor Technology (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1329-1330 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A CONFERENCE on transistors, organized by the JLJL Electronics Group of the Institute of Physics, was held at the Brunei College of Technology, Acton, during September 27-28. In almost every field of endeavour, the rate of progress largely depends on the facilities that exist for discussion and ...
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    Dose-Rate Effects in Radiation-Induced Chemical Reactions (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1332-1333 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE initial stages of chemical reactions induced by ionizing radiations are usually assumed to be independent of the dose-rate. Thus, in the case of a simple reaction in aqueous solution, such as the oxidation of ferrous sulphate induced by high-energy radiations, the yield remains constant at the ...
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    Insecticide Resistance in Anopheles Sundaicus (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1333-1335 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ESISTANCE to DDT in Anopheles sundaicus in JLV Java was first reported by Crandell1 in 1954 in an area where house-spraying with this insecticide had been carried out for the previous three years. Chow2 later confirmed such resistance in another area, and I was privileged to visit the island in ...
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    Distribution of Ribonucleic Acid in Tumour Cells During Mitosis (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1338-1339 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME forms of ribonucleic acid are virtually unstained in fixed tissues by dilute solutions of toluidine blue, but can be visualized by subsequent treatment with a molybdate-ferrocyanide solution1. Further investigation has shown that ferrocyanide is unnecessary ; the staining of various sites of ...
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    Audio-frequency Nuclear-resonance Echoes (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1344-1345 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Fig. 2 In order to avoid this difficulty and to make it possible to carry out measurements in the laboratory without undue precautions and indeed to measure time-constants of such length that requirements of homogeneity would be excessive, we have devised a method of measurement which ...
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    Changes of Organic Phosphate Esters during Glycolysis in Blood followed by a Paper Chromatography Method (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1351-1352 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the present communication the changes of the organic phosphate compounds of human blood during glycolysis were followed by using the paper chromato-graphy method. Further, the behaviour of the acid-insoluble phosphorus fraction of blood (which consists of phospholipids, phosphoproteins and of ...
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    Chemical Model of a Biological Reaction (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1354-1355 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Examination of high-precision atom models2 disclosed the fact that the s-ammonium group of lysine is sterically capable of forming a hydrogen bond with the carboxylate group of the same molecule, and that such a -COO~.H3N+- bonded structure exactly fits an ester group in a fashion suitable for ...
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    Action of Glucose-I-Phosphate on the Deposition of Phosphate in the Bones of Growing Diabetic Rats (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1357-1358 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Above: Normal animals ; below: diabetic animals. o, Total phosphorus after injection of 3-3 mole/kgm. NaHa8aPO4; A, total phosphorus after injection of 3-3 //mole/kgm. glucose-1-32phosphate ; O, specific radioactivity of phosphorus-32 after injection of 3-3 A/mole/kgm. NaH2"aPO4, ...
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    Composition of Muscle in Malnourished Human Infants (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1361-1362 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] These measurements have now been extended to muscle. 7-10 days after the infants were admitted to hospital, samples of muscle weighing 50-100 mgm. were taken under local anaesthesia from m. pectoralis major in the anterior axillary fold. The biopsy was repeated on the other side 1-3 months later. ...
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    Mineralization of Human Enamel (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1362-1363 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In this investigation human deciduous teeth ranging in age from 26 weeks in utero to 18 months postnatal were examined. The appearances of routinely decalcified sections were correlated with the micro-radiographic and the polarized light appearances of ground sections from the same teeth. The ...
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    Water Absorption by Submerged Leaves (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1368-1368 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recent work in this laboratory, on single cut leaves of Bignonia grandiflora, indicates that the pre-treat-ment of the material may have an important bearing on its subsequent experimental behaviour. In our experiments the leaves were severed under water and the cut ends were always supplied with ...
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    A Growth Inhibitor of L. bulgaricus 09 (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1370-1371 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] This inhibitor was also formed when skim-milk powder was heated at 100 C. for 5 hr. or autoclaved at 15 Ib. pressure for 30 min. Further, autoclaving lactose with any of the proteins, casein, edestin, fibrin, haemoglobin, or with tryptone or with any of the following amino-acids, leucine, ...
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    Pigments and Pterins in the Skin of the Green Mamba, Dendroaspis viridis (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1371-1371 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] After this investigation had been completed, a single male specimen of the green mamba, Dendroaspis viridis, became available to us. The anterior and middle portions were leaf green, and the posterior portion dull yellow. The animal was skinned and the skin cut into the green and yellow portions. ...
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    The Sheep Lungworm Protostrongylus brevispiculum in Great Britain (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1372-1373 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] The only records and descriptions of this lungworm are those of Mika&c1, who found specimens in sheep in Yugoslavia. He named the worm Protostrongylus rupicaprae (Gebauer, 1932) brevispiculum; this is amended to P. brevispiculum by Dougherty and Goble2 in their classification of the subfamily ...
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    National Science Foundation, Office of Scientific Information: Dr. B. W. Adkinson (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1237-1237 
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    Notes: [Auszug] DR. BURTON W. ADKINSON, director of the Reference Department of the Library of Congress, has been appointed head of the Office of Scientific Information of the National Science Foundation. His service with the Library of Congress began, in 1945 when he was appointed assistant chief of its Map ...
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    British Internal Combustion Engine Research Association: W. P. Mansfield (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1237-1237 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] DR. W. P. MANSFIELD has been appointed to the post of director of research of the British Internal Combustion Engine Research Association, Slough, with effect from March 1, 1958, in succession to Engineer Rear-Admiral D. J. Hoare, the first director of the Research Association, who is retiring. Dr. ...
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    Nigerian Geographical Journal (1957)
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    Nature 180 (1957), S. 1238-1238 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] IT is a sign of geographical progress that the geography of regions that were literally being explored by Europeans only two or three generations since is now being written from the inside. Europeans and Americans may still write books entitled "Africa" and they will still have value because of ...
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    Annual Variation of Sporadic Meteors (1957)
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    Nature 180 (1957), S. 1239-1239 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] IN a paper on the theory of the annual variation of sporadic meteors (Pub. Astron. Soc. Japan, 8, Nos. 3-4 ; 1956), Tadayoshi Murakami, of the University of Hiroshima, explains that his reduction of the annual variation was undertaken to verify his drift motion hypothesis of interstellar meteoric ...
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    Erratum (1957)
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    Nature 180 (1957), S. 1239-1239 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We regret to find that mistakes have occurred in numbering the axes of the graph which accompanied the communication entitled "Vitamin B12 in Marine Ecology" by M. R. Droop, in Nature of November 16, p. 1041. The ordinate graduations (number of cells per ml.) should be 105, 106 and 107 (reading ...
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    Spatial Asymmetries in π–µ Decay (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1245-1245 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME interesting observations on the decay of pions at rest in a nuclear emulsion, made by a group of physicists at the Institute of Atomic Physics at Bucharest, were recently presented to the French Academy of Sciences*. The emulsion was exposed to pions produced by the large synchro-cyclotron ...
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    Travelling Disturbances in the Ionosphere: Changes in Diurnal Variation (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1252-1253 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Examination of past records starting from the summer of 1949-50 shows that there was a tendency for a similar sequence to occur on occasional days in that year but not sufficiently often to affect the mean curve for the month. This tendency, however, decreased in succeeding years to a minimum in ...
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    A Significant Error in the Determination at Low Pressures of the Virial Coefficients of Vapours (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1252-1252 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Now that a careful investigation of adsorption on 'Pyrex' glass of a series of vapours at various temperatures has been made by one of us4, it is possible to define the conditions in which this error is at a minimum and to make reliable corrections in volumetric work. It was found that only when ...
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    Radio Noise from Planets (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1253-1253 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] One feature of terrestrial lightning is that while the greater part of the energy, and in particular the electromagnetic radiation at very low frequencies, emanates from the high-current stroke to ground, noise at high frequencies has its origin mainly in discharges in the cloud. These cloud ...
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    Variation of Elastic Constants of Hardened 1 per cent Carbon Steels on Tempering (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1254-1254 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] The specimens were 7 in. long and 0-5 in. in diameter with enlarged ends of square section for the application of the static torque. The square ends were used for the ultrasonic tests in which the phase velocities for pulses in the longitudinal and transverse modes were measured. The values of E ...
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    Science and Society (1957)
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    Nature 180 (1957), S. 1255-1255 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS book is an enlarged, revised version of some articles published in Economica thirteen years ago. Their reappearance in book form, is very welcome, for in these writings Prof. K. R. Popper adds to the considerable debt already owed to him by all students of the natural and social sciences. ...
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    A Surface Electroluminescence Effect in Diamonds (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1254-1271 
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    Notes: [Auszug] All the stones so far tested are of the conventional rhombohedral form and with a maximum dimension of about 1 mm. Before being coated with 'Aquadag', the diamonds were good insulators with a resistance greater than 1012 ohms : after coating, the resistance between opposite faces fell to 106 ohms ...
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    Roman Roads (1957)
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    Nature 180 (1957), S. 1256-1257 
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    Notes: [Auszug] THIS is the second and concluding volume of Mr. Margary's survey of the Roman road system of Britain. The first volume was very generally and rightly acclaimed by Sir Mortimer Wheeler, for we have had to wait nearly half a century for anyone to take up the heavy task of bringing Codrington into ...
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    Archæology and the Bible (1957)
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    Nature 180 (1957), S. 1255-1256 
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    Notes: [Auszug] THE Bible is a library of books, not all of the same literary or historical importance. In some cases (especially in the Old Testament) the books themselves are composite and contain ancient fragmerits embedded in a more recent framework. When, therefore, Prof. Burrows suggests that archaeological ...
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    The Essayist of the British Countryside (1957)
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    Nature 180 (1957), S. 1257-1257 
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    Notes: [Auszug] RICHARD JEFFERIES was one of the most highly gifted writers about the English countryside in the whole of our history. He was born in 1848 at the little village of Coate near Swindon; his father was a small farmer, unpractical but a keen observer of Nature and natural phenomena, and also a great ...
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    Instinct in Man (1957)
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    Nature 180 (1957), S. 1257-1258 
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    Notes: [Auszug] THERE seems to be a pendulum-swing in our thinking about some of the more general aspects of human behaviour. At one time they are regarded as a product of biological forces inherited by every member of the species ; at another, the environment is held to be all-powerful. During the past thirty ...
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    Sidelight on a Modern Arctic Expedition (1957)
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    Nature 180 (1957), S. 1258-1258 
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    Notes: [Auszug] THIS book is good evidence of the truth that, if JL we are to get something approaching the whole story of a major expedition, it is necessary that several of its members should contribute individually to the written record. To a reviewer, himself a survivor from Antarctic exploration half a ...
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    Chemistry of Sight (1957)
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    Nature 180 (1957), S. 1258-1259 
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    Notes: [Auszug] IN 1878 Kuhne published his classic treatise on visual pigments. The same year, it appeared in England in a translation by Michael Foster entitled "Oa the Photochemistry of the Retina and on Visual Purple". Kiihne's book laid the foundation for much that has since been learned about visual ...
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    Electronic Resource
    Electronic Resource
    Coagulation of Blood (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1259-1260 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] TO write a reasoned and critical account of the present status of our knowledge of the ^chanism of bimostasis and of the disorders to which it is prone Ta Herculean task which few people would care to undertake, and fewer still possess the breadth of viewTf the subject to enable them to bring such ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1801259a0
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  • 100
    Electronic Resource
    Electronic Resource
    Plant Diseases and Human Welfare (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1260-1260 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE names of Prof. E. C. Stakman and Dr. J. G. Harrar are in themselves almost guarantee enough that this would not be just another academic text-book, but the fact could well have been emphasized by a title more appropriate to their vivid treatment of the subject. "Principles of Plant Pathology" ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1801260a0
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