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  • Nature Publishing Group  (3.839)
  • 1975-1979  (3.839)
  • 1950-1954
  • 1975  (3.839)
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Verlag/Herausgeber
Erscheinungszeitraum
  • 1975-1979  (3.839)
  • 1950-1954
Jahr
  • 101
    Digitale Medien
    Digitale Medien
    Reports and publications (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 556-556 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Mammals of the Wankie National Park, Rhodesia. By V. J. Wilson (Museum Memoir, No. 5). Pp. 147. (Salisbury: The Trustees of the National Museums and Monuments of Rhodesia, 1975.) [1010 Congress Against the President. Edited by Harvey C. Mansfield, Sr. Pp. 200. (New York: The Academy of Political ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258556b0
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  • 102
    Digitale Medien
    Digitale Medien
    Qualitative features of synchrotron radiation in an inhomogeneous magnetic field (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 309-310 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] If the magnetic field is non-uniform, the estimates of the lifetime of energetic electrons against synchrotron losses must be modified, whereas for the low energy radiation there occurs another phenomenon. This is most easily seen if we suppose that the magnetic field is confined to plane sheets of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258309a0
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  • 103
    Digitale Medien
    Digitale Medien
    Reality and nature of a Sun–weather correlation (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 313-314 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Reports of short term Sun-weather correlations have been greeted with scepticism by many. We have, however, subjected the VAI data (provided by W. O. Roberts; determined for the 3xl04Pa (300mbar) level) of the original analysis to a variety of statistical tests, and we have requested and obtained a ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258313a0
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  • 104
    Digitale Medien
    Digitale Medien
    ‘1/ f noise’ in music and speech (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 317-318 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] S(f)is related to the autocorrelation function K(f) P(f+i) by the Wiener-Khintchine relationships2. If V(t) can be characterised by a single correlation time TC, V(t) is correlated with K(/+T) for |T| TC, and is independent of K(/+T) for |T| 〉TC. It can be shown that S(f) is 'white' for ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258317a0
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  • 105
    Digitale Medien
    Digitale Medien
    Time resolution of acoustic signals by birds (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 320-321 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The evidence on which the previous conclusions were drawn is as follows. (1) An unsuspected richness of detail emerges when recorded bird vocalisations are played back at slow speeds1. (2) An analysis of the constancy of reproduction of time intervals in songs of passerines suggests that time ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258320a0
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  • 106
    Digitale Medien
    Digitale Medien
    Search for selectivity in interactions of chiral solvated electrons (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 418-419 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] It can be argued that stereospecific discrimination should not be particularly pronounced in such high energy processes. For this reason we have searched for evidence of chirality in solvated electrons-the dominant primary reactive reducing species formed from high energy radiations. We produced ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258418a0
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  • 107
    Digitale Medien
    Digitale Medien
    Learning in the absence of forebrain noradrenaline (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 422-424 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Acquisition of running in alleyway. Subjects were deprived to 90% of free feeding weight, a, NPT: 6, DBT. 6-OHDA was dissolved in 0.9% NaCl containing ascorbic acid (1.0 mg ml"1). Infusion rate was 1 ul min"1 in the DBT pre-paration. Appropriate sham-operated and injected controls were ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258422a0
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  • 108
    Digitale Medien
    Digitale Medien
    Colour illusion and evidence for interaction between cone mechanisms (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 421-422 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] This illusion may be the suprathreshold counterpart of a remarkable, but neglected, observation made in 1949 by Stiles1: when a long-wavelength adapting field was turned off, the detection threshold for the blue-sensitive mechanism of the eye increased. We have re-examined this paradoxical loss of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258421a0
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  • 109
    Digitale Medien
    Digitale Medien
    Ataxia telangiectasia: a human mutation with abnormal radiation sensitivity (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 427-429 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 y-Ray response of cultured human fibroblasts. Linesfitted by eye. 0,1BR, normal, age 25 yr, male, 7 experknents^o'o& 2BI, nor-mal, 25'yr, male, 8 experiments; Q, BCNSlBIf 38 yr, male, 5 experiments; double triangles, BCNS2BI, 74 yr, female, 4 ex-periments; o, BCNS3B1, 14 yr, male, 5 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258427a0
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  • 110
    Digitale Medien
    Digitale Medien
    Are immunoglobulins integral membrane proteins? (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 434-435 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Singer and Nicolson5 classified membrane proteins as integral or peripheral on the basis of their solubilities. Integral proteins, as defined by them, can only be extracted from membranes by detergents or organic solvents, and require the continued presence of these agents for solubility. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258434a0
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  • 111
    Digitale Medien
    Digitale Medien
    Persistence of CMV genome in lymphoid cells after congenital infection (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 432-434 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] This line was established from a 9-month-old male infant (S.D.), born with a petechial rash and periventricular calci-fications from a primiparous apparently healthy mother. Cytomegaloviruses were isolated from four successive urines of this baby. Three of these urines were collected from birth to ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258432a0
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  • 112
    Digitale Medien
    Digitale Medien
    Distinction between nerve growth factor and glial factor (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 444-445 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The respective biological activities of NGF and glial factor have been investigated in cultures of chick dorsal root ganglia5, in dissociated cells cultured from rat superior cervical ganglia6 and in mouse neuroblastoma cell cultures1. We confirmed that 2.5S NGF induces process formation in ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258444a0
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  • 113
    Digitale Medien
    Digitale Medien
    Restriction nucleases as probes of chromatin structure (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 450-452 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We have found that the restriction nucleases Bsu and ZscoRII can enter rat and mouse liver nuclei and overcome the protection of the DNA by the nuclear proteins. The average molecular weight of the DNA could be continuously shifted from more than 30X106 obtained in the absence of nuclease down to ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258450a0
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  • 114
    Digitale Medien
    Digitale Medien
    Supercoiled DNA folded by non-histone proteins in cultured mammalian cells (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 445-447 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Effect of actinomycin D on the sedimentation of a DNA-protein complex. FM3A cells established from mouse mammary carcinoma23 were cultured in suspension as before18. Cells labelled with 14C-thymidine (62 mCi mmol"1) at 0.05 uCi ml-1 for 24 h were treated at a density of 3 x 105 cells per ml ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258445a0
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  • 115
    Digitale Medien
    Digitale Medien
    Erratum (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 456-456 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In the Matters Arising contribution "Sympathoadrenal medullary activity in young, spontaneously hypertensive rats" by H. Grobecker, M. F. Roizen, V. Weise, J. M. Saavedra and I. J. Kopin (Nature, 258, 267; 1975) the asterisked footnote to Table 2 should read . . . *Results are expressed as Atg ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258456b0
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  • 116
    Digitale Medien
    Digitale Medien
    Cysteine and survival of transplanted thymoma (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 458-458 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IT has been shown1 that 0.25 M cysteine could completely inhibit the growth of a transplanted thymoma, an effect claimed to be due to the ability of cysteine to inhibit collagenase. Cysteine is usually purchased as the hydrochloride and 0.25-M solutions are strongly acidic OH1.0), and, not ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258458a0
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  • 117
    Digitale Medien
    Digitale Medien
    Muscle receptors (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 461-461 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS volume is made up of three different sections, each by a different author. A long (190 pages) section by Barker on the anatomy of muscle receptors is followed by much shorter sections on their physiology (Hunt) and central actions (Mclntyre). The anatomical section is a very full review of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258461a0
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  • 118
    Digitale Medien
    Digitale Medien
    Alkaloid miscellany (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 460-460 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS latest review volume maintains the style of previous issues with contributions on the ergot alkaloids by P. A. Stadler and P. Stiitz and on the Amaryllidaceae alkaloids by C. Fuganti, subjects previously reviewed in volumes 8 (1965) and 11 (1968) respectively. Two chapters consider topics not ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258460c0
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  • 119
    Digitale Medien
    Digitale Medien
    Animal mechanics (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 463-463 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] GAMBARYAN and his colleagues have assembled a large body of knowledge on terrestrial locomotion which has hitherto been available only in Russian, and little known in the West. They have dissected, and measured the limb bones and muscles of, about a hundred species from seven orders of mammals and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258463a0
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  • 120
    Digitale Medien
    Digitale Medien
    On the 27-day cycle in the rainfall at Los Angeles (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 457-457 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ROSENBERG and Coleman1 reported a 27-d cycle in the rainfall of Los Angeles. Subsequently the former author has used the cycle to forecast, starting from an initial day to be determined each year, 13.5 d wet and 13.5 d dry periods in the winter months of Southern California. Their 27-d cycle was ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258457a0
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  • 121
    Digitale Medien
    Digitale Medien
    Cysteine and survival of transplanted thymoma (reply) (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 458-458 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] CAMPBELL ET AL. REPLY-Whereas we did not attempt to buffer our cysteine solutions and acknowledge the possibility raised by Connors and Jones1, the peak of activity that we consistently obtained at 0.25 M cystedne suggests that a specific effect is also ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258458b0
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  • 122
    Digitale Medien
    Digitale Medien
    Immunological use for hormones (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 459-459 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS book presents to a wider audience the papers prepared for a small international symposium held in March of this year. There are three introductory papers on the immune response, autoimmune phenomena and side effects of immunisation by insulin as a model system. All will be of interest to ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258459b0
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  • 123
    Digitale Medien
    Digitale Medien
    Catalysis, great and small (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 460-460 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SINCE the pioneering work of Duynstee and Grunwald was published in 1954 there has been a growing interest in the catalysis of organic reactions by micelles. Much of this interest has been generated by the hope that micelles might mimic enzymes in their catalytic powers. Unfortunately, although the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258460b0
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  • 124
    Digitale Medien
    Digitale Medien
    Fundamentals of neurophysiology (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 461-461 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE cost of most reference physiological textbooks has created a demand for less expensive paperback versions. Unfortunately for those who teach neurophysiology these condensed paperback versions usually give an inadequate account of that subject. Fundamentals of Neurophysiology is a paperback ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258461c0
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  • 125
    Digitale Medien
    Digitale Medien
    More than black and white (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 462-462 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE goal of this book is to consider the available evidence on the relative importance of genetic and environmental variation in accounting for racial-ethnic IQ differences in the United States. The book is divided into three sections. The first considers the background and recent history of the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258462b0
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  • 126
    Digitale Medien
    Digitale Medien
    Gustav Hertz (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 464-464 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Gustav Hertz, the German Nobel Prize winning physicist, died in East Berlin on October 30, at age of 88. Dr Hertz, who was a nephew of Heinrich Hertz (renowned for his work on electromagnetic waves) was educated at the Universities of Gottingen, Munich and Berlin. In 1925, he became Professor of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258464b0
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  • 127
    Digitale Medien
    Digitale Medien
    Reports and publications (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 464-464 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Other Countries United States Department of the Interior: Geological Survey. Bulletin 1395-J: The Supai Group-Subdivision and Nomenclauture. By Edwin D. McKee. Pp. iii 4- 11. Professional Paper 437-F: Land Subsidence Due to Ground-Water Withdrawal in the Los Banos-Kettleman City Area, California, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258464d0
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  • 128
    Digitale Medien
    Digitale Medien
    Future in the past (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 278-279 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] MOST of the staple crops grown *** today were first brought under cultivation thousands of years ago. Cultivated plants have spread out from their original centres of cultivation until they can be found today growing in conditions very different from those in which they originated. In ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258278a0
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  • 129
    Digitale Medien
    Digitale Medien
    Nuclear deals proliferate (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 282-282 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE path towards nuclear non-proliferation is tortuous and often contradictory. This was revealed again recently when more nuclear deals involving less developed countries were announced at about the same time as further meetings of the Nuclear Supplies Group took place in London. The group, whose ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258282b0
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  • 130
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    Digitale Medien
    Successional patterns and indices of diversity (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 285-286 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ONE way to quantify Robert Louis Stevenson's belief that "the world is so full of a number of things" is simply to count how many things there are. The result gives the 'species richness', the number of plant or animal species observed to be present in a given community. But usually one wants to ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258285a0
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  • 131
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    Digitale Medien
    Messengers in minicells (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 287-287 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE first experiments demonstrating the existence of messenger RNA in bacteria were published in 1961. One of the criteria for identification of mRNA was its short lifetime, which permits a rapid halt in synthesis of a specific protein, but our knowledge of the processes responsible for ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258287a0
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  • 132
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    Digitale Medien
    Seed dispersal (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 289-290 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SEED production, seed germination and seedling establishment are, for most plant species, critical stages in the maintenance of population levels. The quantity of seed produced and the energy reserve of each individual seed vary from one species to another; Harper, et al. (A. Rev. ecol. Syst., 1, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258289a0
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  • 133
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    Digitale Medien
    Fishing for complement (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 290-291 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE study of the movement of protein complexes in the plane of the fluid membrane has kept a good many immunologists off the streets since the demonstration in 1971 by Taylor, Duffus, Raff and de Petris of the redistribution of lymphocyte surface immunoglobulin molecules after their interaction ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258290a0
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  • 134
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    Digitale Medien
    Comparative biology of skin (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 292-292 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A symposium on the comparative biology of skin was held by the Zoological Society of London on October 30 and 31. The proceedings will be published for the society by Academic Press. THE skin surface is the main site of contact between animals and a varied and often hostile environment. In ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258292a0
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  • 135
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    Digitale Medien
    Evidence for cell surface control of macronuclear DNA synthesis in Stentor (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 300-303 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In cell grafts, Stentor macronuclei associated with separate regions of cell surface can be made asynchronous with regard to morphology and DNA synthesis even though they demonstrably share a common endoplasm. These results suggest a mechanism for nuclear differentiation within a single cytoplasmic ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258300a0
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  • 136
    Digitale Medien
    Digitale Medien
    X-ray sources and planetary nebulae (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 308-309 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Consider first the possibility that the compact object is a neutron star. The accretion rate from a wind is given approximately by6'7: M -isxicW^AY Mpn Y a Yx Macc _ 1.8X10 jxV'c.-i y06cms-yy06cms-y (1) where Mx is the mass of the accreting star, Mpn the rate of mass ejection, a the separation ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258308a0
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  • 137
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    Digitale Medien
    Controlled artificial generation of geomagnetic pulsations (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 311-313 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Large scale representation of the island/circular sea model. The island is connected to the shore of the sea by a narrow insulating neck of length 100 m at the point of closest approach. Other relevant dimensions are: island radius 10 km, sea radius 100 km, sea depth 50 m, total current ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258311b0
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  • 138
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    Digitale Medien
    Precise determination of critical features in radiohalo-type coloration of biotite (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 315-317 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In spite of all previous work, a number of perplexing and basic concepts remain to be elucidated. We now report a series of precision measurements on biotite, from the Faraday pegmatite at Bancroft, Ontario, Canada4, which was irradiated by a particles from the 5-MeV Van de GraafT accelerator at ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258315a0
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  • 139
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    Digitale Medien
    Inhibition of cortical evoked potentials and sensation by self-initiated movement in man (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 321-324 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Multichannel corticographic recordings have been obtained from chronically implanted gold electrodes from six subjects and with similar technique as previously described1. The finger displacement (of about 45) was monitored by a movement transducer. The differentiated output of this transducer was ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258321a0
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  • 140
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    Digitale Medien
    Human breast cancer responsive to androgen in long term tissue culture (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 339-341 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Table 1 shows the effects of various steroids on incorporation of radiolabelled thymidine and leucine into acid precipitable material. As indicated, 5-a-dihydrotestosterone stimulates leucine and thymidine incorporation three- to fourfold above control levels. Testosterone also stimulates both ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258339a0
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  • 141
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    Digitale Medien
    Quantitative evaluation of concanavalin A receptor site distributions on the surfaces of specific populations of embryonic cells (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 342-344 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Embryonic cells, like malignant cells, and other migratory cell types, are agglutinable with con A2〉68. We have recently shown9 that only the migratory population of sea urchin embryonic cells (micromeres) are agglutinable with con A and exhibit con A-induced capping of receptor sites10. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258342a0
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  • 142
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    Digitale Medien
    Autoradiographic localisation of α-bungarotoxin-binding sites in the central nervous system (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 349-351 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Using 125I-a-BTX, we have found concentrations of binding sites in homogenates of whole brain comparable with receptor concentrations reported for the innervated rat diaphragm10'11: approximately 1.6 pmol per g of wet tissue in adult rats, and about 7.5 pmol per g of wet tissue in the newly hatched ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258349a0
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  • 143
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    Digitale Medien
    Inactive complex formation between E. coli RNA polymerase and inhibitor protein purified from T7 phage infected cells (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 354-357 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We reported previously6 that the "host shut-off" function of T7 is indeed an inactivation of the host RNA polymerase by an inhibitor protein bound to the enzyme. We found that when this inhibitor protein is removed from the inactive host RNA polymerase prepared from T7 infected cells, the core ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258354a0
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  • 144
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    Digitale Medien
    Stimulation of mouse lymphocytes by insoluble anti-mouse immunoglobulin (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 361-363 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] To test whether optimal cross linkage of receptor Ig can stimulate B cells, I have coupled purified rabbit anti-mouse Ig (predominantly anti-K specificity) covalently to the surface of polyacrylamide beads. The anti-Ig beads were added to normal mouse spleen cell cultures. As Fig. 1 (solid bars) ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258361a0
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  • 145
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    Digitale Medien
    Erratum (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 366-366 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The correct authorship of the article "Synthesis mimics of insect juvenile hormone" (Nature, 232, 486; 1971) should be Ferenc M. Pallos Hwalin Lee Peter E. Letchworth John B. Miaullis Julius J. Menn and not as printed in the original article or in the corrigendum which appeared in Nature ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258366b0
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  • 146
    Digitale Medien
    Digitale Medien
    Erratum (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 366-366 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In the article "Scotopic and photopic dark adaptation of the b wave in isolated rat retina" by W. Ernst and C. M. Kemp (Nature, 258, 170; 1975) the sentence that begins in line 17 of the second paragraph should read . . . This means that either bleaching has caused some permanent change in the way ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258366a0
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  • 147
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    Digitale Medien
    Identical sequence of light chains from rabbit anti-streptococcal antibodies (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 363-365 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig.l The amino-terminal sequences of rabbit allotype b4ic light chains isolated from antibodies to the streptococcal polysaccharide. Solid lines indicate sequence identity to the leading sequence. Asx, undetermined asparagine residue. HV, marks the first hypervariable region14. For comparison a ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258363a0
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  • 148
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    Digitale Medien
    Syntheses and immunological evaluation of bovine proinsulin C-peptide analogues (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 365-366 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Double-antibody radioimmunoassay using bovine proinsulin antiserum and 125I-tyrosylated [59-formyllysine]-bovine proinsulin 31-60 as tracer. o , Synthetic [59-formyllysine]-bovine proinsulin 31-60; A, natural bovine C-peptide; O, natural bovine proinsulin. The peptides were constructed ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258365a0
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  • 149
    Digitale Medien
    Digitale Medien
    Hazards of life (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 367-367 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN 1967 a group of geographers in the US and Canada initiated a study of the human and social responses to natural hazards in different parts of the world. The sort of questions they hoped to answer were: How many people inhabit particular areas of hazard and why do they continue to do so? How do ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258367a0
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  • 150
    Digitale Medien
    Digitale Medien
    Special relativity (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 368-368 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] FOR the past three years Professor Taylor has been giving a series of lectures on introductory special relativity to first-year undergraduates at King's College London. The content and spirit of these lectures now appears in a compact and very readable book from the Oxford Physics Series. The ...
    Materialart: Digitale Medien
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  • 151
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    Digitale Medien
    Drug resistance (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 368-368 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS is a very useful book which is in general up to date. It is the only treatise so far published which exposes, with considerable success, the practical as well as the theoretical significance of bacterial plasmids. It is a pity that the title is misleading: not only does the book deal with ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258368c0
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  • 152
    Digitale Medien
    Digitale Medien
    Giant algal cells (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 368-368 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS small book, on what may at first seem a restricted subject, blossoms to cover a range of electrophysiological phenomena in both animals and plants. The plants concerned (mainly Charo-phyta, with mention of appropriate Bryopsidophyceae, Chlorococcales and Ceramiales), and also the basic ...
    Materialart: Digitale Medien
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  • 153
    Digitale Medien
    Digitale Medien
    Environmental physiology (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 369-369 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS book attempts to present, at a fairly introductory level, a general view of physiology as it relates to animals in their natural environment; as is stated in the preface, it seeks to give expression to the conceptual link between physiology and ecology. The text is divided into three parts. ...
    Materialart: Digitale Medien
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  • 154
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    Digitale Medien
    Quantum mechanics (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 367-367 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE first chapter is devoted to the methods and results of the LCAO-MO Hiickel approach. Though the first section of this chapter is headed "Orbitals", I feel that a reader of this book would need to know something about atomic and molecular quantum mechanics before he started. It seemed to me ...
    Materialart: Digitale Medien
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  • 155
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    Digitale Medien
    Conrad Hal Waddington, CBE, FRS (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 371-371 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Conrad Hal Waddington, CBE, FRS, the noted geneticist and distinguished scientific thinker, died on September 26 at the age of 69. HAVING graduated from Cambridge (Sidney Sussex) in 1926 with a first class honours in geology, Professor Waddington became lecturer in zoology at Strangeways Research ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258371a0
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  • 156
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    Digitale Medien
    Genes, receptors, signals (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 369-369 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IT becomes increasingly obvious on reading the proceedings of the Third ICN-UCLA Symposium on Molecular Biology that an immunological event of some importance took place at Squaw Valley, California, in March of last year.Practically everyone who is anyone in the field of cellular immunology seems ...
    Materialart: Digitale Medien
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  • 157
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    Digitale Medien
    John Wilfred Linnett, FRS (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 372-372 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] John Wilfred Linnett, FRS, Master of Sidney Sussex College, Cambridge, and a noted theoretical chemist, died on November 7, at the age of 62. JACK LINNETT was born on August 3, 1913, and educated at King Henry VIII School, Coventry, and St John's College, Oxford. After holding a Research ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258372a0
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  • 158
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    Digitale Medien
    Flavonoids (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 370-370 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE appearance of Chemistry of the Flavonoid Compounds edited by Geiss-man in 1962 and of Naturally Occurring Oxygen Ring Compounds by Dean in 1963 were major publishing events in the flavonoid field, and undoubtedly did much to stimulate the impressive advances which have taken place since their ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258370a0
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    Digitale Medien
    Announcements (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 372-372 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Awards The French Academy of Science has awarded its main annual prize jointly to S. Brenner and S. Benzer for their achievements in the field of molecular genetics. G. Barsky and B. Ephrussi have been awarded the Paul Ehrlich Award for their pioneering work on cell fusion. The 1975 Albert ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258372b0
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  • 160
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    Digitale Medien
    Conrad Hal Waddington, CBE, FRS (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 371-372 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE recent death of my old friend and collaborator C. H. Waddington left me desolated by the break with the past that it entailed. But I must say that my primary feeling was one of great distress that he should have had to go just at this time when his wisdom is so much needed for the world. There ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258371b0
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  • 161
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    Digitale Medien
    Reports and publications (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 372-372 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Other countries Publications du Centre National pour 1'Exploitation des Oceans (CNEXO). Serie: Rapports Scientifiques et Techniques, No. 21: Isolernent in situ d'Eau de MerNaturelle dans des Enceintes de Grand Volume: Application a 1'Etude d'Une Eutrophisation Interet et Prospective, Par Brigette ...
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    URL: http://dx.doi.org/10.1038/258372c0
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  • 162
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    Digitale Medien
    Relative deprivation of Civil Service scientists (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 186-186 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SENSIBLE negotiators will use the ^breathing space provided by the British Government's £6-a-week pay policy to seek solutions to their long standing industrial relations problems. One such problem is that of the pay and careers of Civil Service scientists, including those employed in ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258186a0
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  • 163
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    Digitale Medien
    Questioning the quinquennium (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 183-183 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE practice whereby British universities are financed on a quinquennial basis is the root of many of their present problems. In fact, the question now seems to be not so much if, but when, that system will be done away with or modified out of all recognition. The problem is that the arrangements ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258183a0
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  • 164
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    Digitale Medien
    Where have all the teachers gone? (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 183-183 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE shortage of science teachers in British schools seems likely to intensify, with a consequent loss of potential scientists and engineers. This gloomy prognostication emerged recently when educationalists from varied backgrounds gathered at the Royal Society in London to consider problems in the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258183b0
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  • 165
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    Digitale Medien
    Busting the FDA (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 187-188 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A MAJOR 'debate is shaping up in the United States over the manner in which new drugs are developed, tested and marketed. Although the issues are hardly novel and the arguments are likely to be shrill, the debate could eventually result in the first sweeping changes in food and drug laws since drug ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258187a0
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  • 166
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    Digitale Medien
    Conserving genetic resources (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 184-185 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] CONCERN for the fate of traditional ^^ breeds of livestock is an aspect of conservation that has as yet received little attention at the international level. It is true that cerain breeds, especially of cattle, that would otherwise have disappeared have been preserved by societies set up for this ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258184a0
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  • 167
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    Digitale Medien
    Continuing crisis in Italian universities (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 190-190 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] As the Corriere della Sera put it on November 5, "Today the universities are opening: Why?" The article, concerned with the colossal extent of graduate unemployment in Italy, touched on only one of the problems of the universities-problems that seem so daunting and so far from being soluble by the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258190b0
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  • 168
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    Digitale Medien
    Another carcinogen? (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 190-190 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE problems of carcinogens in industry (see Nature, 258, 94; 1975) are again highlighted by an article in the journal of the British Society for Social Responsibility in Science. The substance now implicated as a carcinogen is trichloroethylene, widely used as a degreaser and chemically similar to ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258190a0
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  • 169
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    Digitale Medien
    Soviet scene (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 189-189 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE former President of the Soviet Academy of Sciences, Mstislav V. Keldysh, who retired from his post earlier this year on the grounds of ill-health, seems to have made a recovery, judging from recent articles in the Soviet press. On November 8, the day following the announcement of this year's ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258189a0
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  • 170
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    Digitale Medien
    Lowering costs in higher education (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 191-191 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WHEN in 1947 I went to Nigeria to try to start that country's first university at Ibadan, I had a capital sum of £1.5 million provided by the British government for buildings. Tough negotiations persuaded the Nigerian government to increase its proposed annual grant (to meet other costs) from ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258191a0
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  • 171
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    Digitale Medien
    Eurospace body acts (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 190-191 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IT hasn't taken long for the recently formed European ad hoc Committee for Space Science to go into action. Just a week after the European Science Foundation in Strasbourg agreed to its formation, two members of the committee attended a Washington meeting of the Space Sciences Board of the US ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258190c0
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  • 172
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    Digitale Medien
    Computer prehistory (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 192-192 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR,-Professor Wilkes (October 16) identifies the prehistory of computers with "the life's work of just one man, Charles Babbage (1792-1871)". If Bab-bage's work is likened to the prehistory of the subject, how is one to classify the elaboration of the real first arithmetical machine, almost two ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258192a0
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  • 173
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    Digitale Medien
    EEC directives (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 192-192 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR,-As a member of the Conservation Society since its inception, and being much concerned about pollution, I would like to support Eric Ashby (October 16) against Paul French (November 6). The latter may be right in his final statement to the effect that other Europeans are more willing to tackle ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258192b0
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  • 174
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    Digitale Medien
    EEC directives (reply) (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 192-192 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR,-I am not prepared to accept the whole of Lord Ashby's thesis, contained in his comments on the EEC pollution debate. He states, for instance, that "rabid conservationists need to be reminded sometimes that all pollution, except that from atomic weapons, is a by-product of processes which ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258192c0
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  • 175
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    Digitale Medien
    Histocompatibility antigens and immimoglobulins? (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 193-194 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IN higher vertebrates there is a chromosomal region which contains closely-linked genes for histocompatibility antigens, and also genes which regulate immune responses. The major histocompatibility antigens which are recognised by antibody are called H-2 (K and D) and HLA (-A and -B) antigens in ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258193a0
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  • 176
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    Digitale Medien
    Offshore structures (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 192-192 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR,-We have had some experience with modelling offshore structures in the laboratory, and wish to call attention to the need for better understanding of the engineering problems likely to arise as drillings are made in deeper and deeper water. Mishaps that have already occurred have been serious ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258192d0
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  • 177
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    Digitale Medien
    Chemical language in insects (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 194-194 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IT has long been known that scents produced by glandular organs play an important part in animal communication. The naming of such chemicals, used for communication between members of the same species, as 'pheromones' by Karlson and Luscher coincided with the development of gas liquid ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258194a0
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  • 178
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    Digitale Medien
    Fibroblast model for hormone effects (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 194-195 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ONE of the most striking features of the action of trophic hormones on cells is that many of the resulting changes in metabolism are remarkably similar, regardless of the type of hormone or the target tissue. Thus changes produced by oestrogen in the uterus, corti-costeroids in the liver and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258194b0
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  • 179
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    Digitale Medien
    Man against nature in the climatic stakes (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 195-196 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] LATEST indications suggest that all of man's polluting influences on climate may be acting to produce a global warming, while the natural trend extrapolated from past variations is towards a cooler regime. In the short term, the former influence may well dominate, and this suggests the need for a ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258195a0
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  • 180
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    Digitale Medien
    Ecological carousel (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 196-197 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ECOLOGISTS, like the Greeks, are seekers after ideals. Among conceptual ideals, none is less tangible, or more sought after, than that of the ecological climax. The idea of the perfectly stable, equilibrium ecosystem which has developed through a sequential series of successional stages, is a very ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258196a0
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  • 181
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    Digitale Medien
    What drives the solar cycle? (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 197-198 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] IAU Symposium No. 71 on Basic Mechanisms of Solar Activity was held in Prague on August 25-29, 1975. THE Sun is the only star that can be observed in detail and any theory of stellar structure must be tested against these observations. Unfortunately, conventional models cannot explain the low ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258197a0
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  • 182
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    Digitale Medien
    [News & Views ‘picture story’] (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 197-197 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Reproduction of the illustration of the earliest figured and described fossil from America. From Lister's (1687) Historiae Conchyliorum Liber III. Lister's entire description is with each figure and not in a separate text. Say (1824) mentions this figure as being his species Pecten jeffersonius. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258197b0
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  • 183
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    Digitale Medien
    Immunological tolerance (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 198-198 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A symposium on Immunological Tolerance was held at Reinhards-brunn, GDR on October 14-17. It was sponsored by the International Union of Immunological Societies and the World Health Organization. THE mechanisms of antigen-induced unresponsiveness (immunological tolerance) are still controversial: ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258198a0
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  • 184
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    Digitale Medien
    A hundred years ago (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 198-198 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] AT its last sitting the French Geographical Society broached a scheme for inducing the several French Railway Companies to place at each station a map of the vicinity, with indications of the most notable historical or economical facts connected with the district. It appears that this is the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258198b0
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  • 185
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    Digitale Medien
    Visual experience and cortical development (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 199-204 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The past twelve years have been exciting for those interested in the classical question, “How much do our visual capacities depend on innate developmental factors, how much on the moulding effects of visual experience?” Recent papers1–4 have settled some issues, but ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258199a0
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    Digitale Medien
    New evidence regarding the Quaternary geology, archaeology and hominids of Chesowanja, Kenya (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 204-208 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Deposits yielding australopithecines, other fossil mammals and an industry recalling the Oldowan are succeeded by an Acheulian assemblage, overlain by flood plain silts with abundant spreads of later artifacts. The structure is dominated by an asymmetric anticline. Palaeoenvironments are ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258204a0
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    Digitale Medien
    Significance of autogenously regulated and constitutive synthesis of regulatory proteins in repressible biosynthetic systems (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 208-214 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The functional implications of the different modes of regulation have been examined systematically. The results lead to certain predictions. The regulatory protein in repressor-controlled systems is constitutively synthesised. In activator-controlled systems synthesis of the regulatory protein is ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258208a0
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  • 188
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    Digitale Medien
    Soft X-ray search of centre of Cygnus Loop (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 214-215 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Rocket measurements1 indicate that a central object exists, and contributed, at the time of observation, about 4 % of the X-ray flux from the entire loop. This object may be variable1'2 in intensity, and may even be pulsing1. Reanalysis of earlier rocket data3 gives statistically more significant ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258214a0
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  • 189
    Digitale Medien
    Digitale Medien
    Energy spectrum of ultra high energy cosmic rays (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 217-218 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The problem with the universal model is that the universal black body radiation (2.7 K) should cause a rapid cutoff in primary intensity above about 6xl019eV because of photo-meson production4'5, whereas the measured primary spectrum extends to 1020 eV (refs 6, 7 and papers in ref. 8), and perhaps ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258217a0
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  • 190
    Digitale Medien
    Digitale Medien
    Proper motions of six pulsars (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 215-217 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Here we report measurements on six pulsars which seem to have motion velocities at least five times greater than the formal standard errors. Measurements were made on a radio link interferometer of 127-km baseline, using the Mk 1A 76-m radio telescope at Jodrell Bank and a 25-m antenna at Defford, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258215a0
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  • 191
    Digitale Medien
    Digitale Medien
    Solar flare effects in equatorial counter electrojet currents (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 218-219 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] McNish3 has shown that disturbances in the geomagnetic field during a solar flare (crochet effect) were similar in direction and magnitude to the normal Sq vectors, suggesting that the crochets arise because of the intensification of the Sq current from additional ionisation by the radiations from ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258218a0
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  • 192
    Digitale Medien
    Digitale Medien
    Accretional capture of the Moon (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 219-220 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The primary difficulty with the hypothesis of lunar capture is its inherent improbability. Either collision or escape is much more likely, but capture could take place if sufficient dissipation occurred during a close approach of the Earth and Moon. It is unlikely, however, that tidal dissipation ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258219a0
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  • 193
    Digitale Medien
    Digitale Medien
    Petrogenesis of eucrite, howardite and diogenite meteorites (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 220-222 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] I conducted melting experiments on a sample of the Juvinas eucrite (Harvard 87) at 1 atm total pressure and various oxygen fugacities. Samples were held in iron or molybdenum foil capsules in quenching furnaces with oxygen fugacity controlled by H2-CO2 gas mixtures3. Phase compositions were ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258220a0
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  • 194
    Digitale Medien
    Digitale Medien
    Does metallic ammonium exist? (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 222-223 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Here I report new calculations which demonstrate, rather conclusively, that metallic ammonium, at least in the form envisaged by Ramsey, is unstable at all pressures. My calculations disagree with those of ref. 3 in two important respects: first, I find that the insulating NH3-iH2 mixture is ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258222a0
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  • 195
    Digitale Medien
    Digitale Medien
    Mercury in the Kuroshio and Oyashio regions and the Japan Sea (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 224-225 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] One source of error is to be found in the use of polyethylene bottles-we found that nanogram amounts of mercury were leached out of the plastic by the samples, whose mercury concentrations increased by factors of 2 to 100, even if the bottles had been washed out with nitric or hydrochloric acid ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258224a0
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  • 196
    Digitale Medien
    Digitale Medien
    Model for the accumulation of radionuclides in oysters and sediments (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 225-226 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Much work has been done in recent years in the accumulation of radionuclides in marine organisms (refs 1 to 4, and references therein). Mathematical models for accumulation and loss of radionuclides are usually based on laboratory studies using a constant source of radionuclides, a condition which ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258225a0
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  • 197
    Digitale Medien
    Digitale Medien
    Disordered drinking after abdominal vagotomy in rats (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 226-228 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Bilateral vagotomy was performed along the lower oesophagus in nine male rats (430-560 g) under Equithesin (Jensen-Salsbery Laboratories) anaesthesia. Sham vagotomy (manipulation of the oesophagus without nerve transection) was carried out in ten rats. Vagotomy was verified anatomically at the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258226a0
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  • 198
    Digitale Medien
    Digitale Medien
    Multicomponent alarm pheromones of the weaver ant (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 230-231 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Excited major workers often give out a fragrant but musty odour, which originates from the mandibular glands. Crushed heads or mandibular gland reservoirs release a sequence of behaviour, which may be broken down into four components: alerting, in which the ants raise their heads and open their ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258230a0
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  • 199
    Digitale Medien
    Digitale Medien
    Fast body turns in a cichlid fish (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 228-229 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Mature male H. burtoni (7.0-7.5 cm long) were fitted with eye stalks by an adaptation of Easter's technique5. Eye stalks were made from black shrink tubing (0.5 mm diameter X 4.0 mm) by squeezing one end closed with heated tweezers. Chewing gently on the stalks for a few minutes softened them so ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258228a0
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  • 200
    Digitale Medien
    Digitale Medien
    T cells mediate transplantation tolerance (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 233-235 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Thoracic duct (TD) lymph contains both T and B cells and members of both these subpopulations continuously recirculate from blood to lymph7. Cells mediating allo-immune responses in vivo are among the populations which recirculate5'6. The lymphoid tissues of rats whose own lymphocyte pools have ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/258233a0
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