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  • Nature Publishing Group  (3,725)
  • MDPI Publishing
  • 2010-2014
  • 1970-1974  (3,725)
  • 1971  (3,725)
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  • 2010-2014
  • 1970-1974  (3,725)
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  • 1
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    Significance of Upper Jurassic Sediments in the Knysana Outlier (Cape Province) for Timing of the Breakout of Gondwanaland (1971)
    Nature Publishing Group
    In:  Nature, 232 (28). pp. 37-38.
    Details
    Publication Date: 2016-04-11
    Description: Marine Upper Jurassic sediments have recently been reported from South Africa (Knysna Outlier, Cape Province) for the first time1. They occur as shallow water, sandy clays (Brenton Beds) in association with terrestrial/fluviatile conglomerates and sandstones, which were deposited in an approximately east-west elongate intermontane basin between the Cape Fold mountains (formed of Lower Palaeozoic sediments). Post-Cretaceous erosion has reduced the original deposits to a series of small, isolated outliers, only two of which have been reported to contain marine sediments (Knysna, lower Upper Jurassic; Algoa, Valanginian2) (Fig. 1). Extensive Neocomian-Maas-trichtian outcrops are known from the continental shelf off to the south of South Africa3, and a complete mid-Jurassic to Upper Cretaceous marine succession is suspected on the Agulhas Bank infilling and overlying east-west striking, fault bounded folds of Lower Palaeozoic Cape Supergroup rocks as shown in Fig. 1 (R. V. D., in preparation and refs. 1 and 4).
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  • 2
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    Agenda for Strathclyde (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 497-499 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PUBLIC discussion of the Dainton and Rothschild reports has so far been more of a whispering campaign than a debate. Among academic scientists, there are frequently to be heard fierce expressions of scorn for Rothschild, but there has so far been no convincing demonstration that university ...
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    URL: http://dx.doi.org/10.1038/234497a0
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  • 3
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    Histories of the Societies (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 519-519 
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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] Chemical Society THE first meeting of the Chemical Society was held on March 30, 1841, at the Society of Arts (now the Royal Society of Arts) in John Adam Street, Adelphi, WC2. Some seventy-seven persons had given their support to the formation of the society, and these must be regarded as the ...
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  • 4
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    Countryside Commission: How to Run the Parks (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 500-500 
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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 appointment of a permanent director of the Countryside Commission and the administration of national parks within the proposed new structure for local government are singled out for special comment in the commission's report for 1970-71 (HMSO, £0.68). The decision to build up a management ...
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  • 5
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    What Colour is the Sky on Venus ? (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 506-506 
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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 National Aeronautics and Space Administration is not yet anticipating sending astronauts to Venus, let alone a poet or a painter. But in spite of the distance of at least 4X107 km that separates the Earth from one of its nearest planetary neighbours, some quite detailed information and ...
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  • 6
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    Mechanism of Kasugamycin Resistance (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 509-509 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] LAST September in Nature New Biology (233, 12; 1971) Heiser, Davies and Dahlberg reported the striking discovery that the resistance of Escherichia coli to the antibiotic kasugamycin stems from a change in the 16S RNA moiety of 30S ribosomal subunits and not from a mutation resulting in a change in ...
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  • 7
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    The Amalgamated Societies (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 511-512 
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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 often relatively easy to found new societies or new committees, and relatively difficult to dissolve or amalgamate them once they have been established. Thus, quite apart from borderline sciences such as biochemistry, pharmaceutical chemistry and chemical engineering, there had arisen, in ...
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  • 8
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    South-East Asia as a Part of Gondwanaland (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 531-533 
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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] Stratigraphic evidence in Thailand and Malaya, and the fit of the South-East Asia sub-continent with India, suggest that they were once joined. It follows that, like India, South-East Asia must have drifted north to collide with mainland Asia after the break-up of ...
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  • 9
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    Messenger RNP: Informofers (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 443-443 
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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] ONE of the more notable contributions made by Russian molecular biologists has been the investigations of Georgiev and his associates into the state of messenger RNA and its precursors in the nuclei of eukaryotic cells and the transport of messenger from nucleus to cytoplasm. In 1968 (/. Mol BioL, ...
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  • 10
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    Professor G. W. Harris (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 569-569 
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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 death of Geoffrey W. Harris, Dr Lee's Professor of Anatomy in the University of Oxford, on November 29, 1971, deprives British endocrinology of a scientist of world stature who did much to clarify the relationships between the brain and endocrine system and so lay the foundations of the ...
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  • 11
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    Wishful Thinking of Turgor (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 488-488 
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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 conditions conducive to expansion are expressed in the following universally accepted way: \|/C=P n . . ., in which \\tc means the water potential of the cell, P, turgor pressure, n, osmotic potential, and other terms have been left out in this context6. If the tissue is in equilibrium with ...
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  • 12
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    Mars: Continuing Progress (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 500-500 
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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] ALTHOUGH the current Soviet investigations of Mars have had a number of setbacks (notably the short effective life of the descent capsule) preliminary readings from telemetry data from the orbiting Mars-2 and Mars-3 stations have provided several interesting results. The programme was originally ...
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  • 13
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    Tenure under Fire (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 502-502 
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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 STRANGE alliance of bedfellows has begun to mount an attack on one of the accepted and most jealously guarded facets of academic life?the institution of tenure. For long the acclaimed defender of academic freedom and of the right of university faculty members to pursue their teaching and research ...
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  • 14
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    Nonvelocity Redshifts in Galaxies ? (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 505-505 
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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] WHAT could be more confusing for astronomers than non-velocity redshifts in quasars ? It now seems that there may be nonvelocity redshifts in normal galaxies. The first claim that quasar redshifts were not caused by Doppler velocities of recession (H. Arp, Science, 151, 1214 ; 1966) was met with ...
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  • 15
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    Proteins: Albumin, Age and Anion (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 507-507 
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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] BOVINE serum albumin is above all a protein chemist's protein; and if its mesmeric effect within such circles does not always communicate itself to those outside, some new studies on aspects of its behaviour deserve to be advertised more widely, both as immaculate pieces of research and for their ...
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  • 16
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    Biotelemetry: Tracking of Wildlife (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 508-509 
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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] WIDESPREAD interest in biotelemetry has existed in South Africa only for the past five years or so. The good attendance at the symposium on biotelemetry, arranged by the Council for Scientific and Industrial Research (CSIR) at the University of Pretoria (November 29-December 2), suggests, however, ...
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  • 17
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    Nutrition: Effects of Alcohol (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 510-510 
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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] AT a symposium on alcohol in nutrition, organized by the Nutrition Society at the Middlesex Hospital Medical School, London, on December 3, the chairman, Professor Sir Charles Dodds, in his opening address stressed the importance of improving knowledge and understanding of the effects of alcohol in ...
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  • 18
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    Change in the Chemical Industry in the 1970s (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 515-516 
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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 worldwide output of the chemical industry during the past decade grew by 9 per cent each year, compared with 6 per cent for the whole of industry. Japan's phenomenal growth in the 1960s averaged 16 per cent a year and, in North America, the growth of annual output was 7.5 per cent a year. This ...
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  • 19
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    Axiom and Process in Genetics (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 521-525 
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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 article, the substance of Professor Darlington's final lecture course to Oxford biologists in May 1971, reconsiders the premises on which genetics has been based in the past hundred ...
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  • 20
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    On the Redshifts of Galaxies (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 534-535 
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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] Five systems of galaxies have been considered: (a) the Virgo cluster, (b) five other clusters with more than fifteen measured redshifts in each, (c) four distant clusters and one nearer cluster, each with two to eight measured redshifts, (d) thirty-five groups with three to nineteen redshifts, and ...
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  • 21
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    Temperature Changes associated with Adiabatic Decompression in Geological Processes (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 539-540 
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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 chief reason for the decompression and the thereby connected isenthalpic temperature rise assumed by Waldbaum is the ascent of masses through the Earth's mantle and crust (Fig. 1 in Waldbaum's article). It is, however, easy to show that the increase of gravity potential during the ascent ...
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  • 22
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    Amino-acid Contamination of Aqueous Hydrochloric Acid (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 548-549 
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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 found considerable amino-acid contamination in commercially available analytical grade hydrochloric acid (37% HCl). One bottle (Allied Chemical) contained 8,300 nmol of amino-acids per 1. ; another (Baker) contained 6,700 nmol per 1. The contaminants were mostly protein amino-acids and several ...
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  • 23
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    Hydrogen Bonding (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 491-492 
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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 aim of this book is to review hydrogen bonding and the many and important applications of this phenomenon. The book is stated to be written particularly for undergraduates and postgraduate students and research workers in the life sciences. Because of the breadth of topics and wide range of ...
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    Fish Adaptation (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 492-492 
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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 SERIES of lectures given at Harvard in 1963, and refurbished in 1964 and in 1967-8 for the Universities of British Columbia and of Miami, is at last published in revised form. The revision must have been thorough, for a large proportion of the bibliographic references are (as one would hope) ...
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    Putting Heads in Bags (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 371-372 
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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 continuing civil disturbance in Northern Ireland is an important counterpoise against the reputation of the United Kingdom for orderly political processes, but most outsiders have in the past few years been willing to acknowledge that the tension between the Protestant and Catholic communities, ...
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    MARS: No Cause for Concern (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 375-375 
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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 successful soft-landing on Mars, at a point approximately 45 S, 158 W?between the Electris and Phaethontis regions? of the instrument capsule from the Mars-3 probe has led to concern among some western observers about the possibility of biological contamination of the planet. The veil of ...
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    Ligandin: a Hepatic Protein which Binds Steroids, Bilirubin, Carcinogens and a Number of Exogenous Organic Anions (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 466-467 
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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 now present strong evidence to show that these three proteins are identical; For example, a comparison of their physical and chemical properties shows a close similarity6'7 (Table 2). Furthermore, preparations of ?-ABP bind bilirubin, bromsulphphthalein and 2-hydroxyoestradiol-glutathione ...
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    Forecasting (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 425-425 
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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] SIR,?In your editorial "How Much is Enough?" (Nature, 234, 115 ; 1971) you discuss the difficulty of forecasting population growth, and you ask whether the forecaster?in this case the Government Actuary?should "settle for more modest but more realistic goals". An interesting question, but not ...
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    Actin in the Mitotic Spindle (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 410-410 
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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 Part of a metaphase mitotic spindle, long axis of spindle running from top left to bottom right of picture. Oriented, decorated filaments (DF) are shown, and an undecorated filament (UF) associated with a microtubule (MT) ( ? 108,500). Aronson4 established that fluorescein-labelled heavy ...
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    Protein Polymorphism (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 410-411 
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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] Table 1 shows m a simplified form the results of Prakash et al 1 for loci with three or more alleles (The esterase-5 locus is excluded because it is clearly different from the rest, no fewer than twelve alleles having been identified, the data for the isolated population around Bogota are also ...
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    Infectious Pancreatic Necrosis in Rainbow Trout in Scotland (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 417-418 
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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 signs seen in this outbreak were typical2, general dorsal darkening, swollen abdomen and the white mucous filling the stomach and intestine. Stained sections (haematoxylin and eosin) of the pyloric caecal area showed severe necrosis of the pancreatic tissue, which was well infiltrated with ...
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    Birth Rank and Mental Illness (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 485-487 
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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] Table 1 Percentage Birth Rank Distribution by Sibship Size by Year of Birth of the General Population Control Sample Sibship Birth rank size Year of birth 1 2 3 4 5 6 7 8 9 10 Not known Total Before 1910 45.5 54.5 5 49 2 1910-29 53.9 46.1 4 158 ...
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    Archaeopteryx Again (Reply) (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 479-479 
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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] DR HEPTONSTALL writes: I agree with Yalden that before comparing specimens of a living species with Archaeopteryx with a view to estimating the live weight of the latter, one must know both the weight and the skeletal dimensions of the living specimens. This relationship in Pennycuik's ...
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    Receptor Physiology (1971)
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    Nature 234 (1971), S. 421-422 
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    Notes: [Auszug] The Handbook of Receptor Physiology, to be compiled in eight sections, of which this volume is the first, will represent a major achievement in the literature of physiology. The ability of the cell or organism to perceive, analyse and react to external stimuli is clearly one of the most important ...
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    Estuarine Ecology (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 422-423 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ESTUARIES are complex and variable environments. A recent symposium on estuaries held in America resulted in a volume containing more than 700 pages, with little overlap in the subject material of the various authors. In a book aimed at sixth formers and first year university students, Dr McLusky ...
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    Glacial Ages (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 423-424 
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    Notes: [Auszug] THIS book is a collection of essays by leading authorities on diverse aspects of Cainozoic glacial ages, presented at an international colloquium held in 1969 to honour the retirement of R. F. Flint. The editor of the book, K. K. Turekian, points out that glacial ages are now known to have occurred ...
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    Professor Arne Tiselius (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 426-426 
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    Notes: [Auszug] PROFESSOR ARNE TISELIUS, who won the Nobel Prize for chemistry in 1948, died in Stockholm on October 29, aged sixty-nine. Born in Stockholm in 1902, Tiselius moved early to Gothenburg and thence, after matriculation, to take up academic studies in Uppsala, the city which he was rarely to leave. ...
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    Rothschild vs Dainton (Contd) (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 313-314 
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    Notes: [Auszug] MANY of those who will have listened to Lord Rothschild's speech to the Royal Society of Arts on Wednesday (see page 319) will be rubbing their hands with glee, saying that he has gone too far this time. Surely, the argument will go, it is not possible to make fun in the same speech of Lord ...
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    Mars: Arrival of Russians (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 315-315 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE safe arrival of the Soviet Mars-2 probe in an 18 h areocentric orbit on November 27, 1971, followed on December 2 by the soft landing of an instrument capsule from Mars-3, has led to self-congratulation in the Soviet press that the guidance and orientation problems which led to the failure of ...
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    Equal Pay: No Lib Yet (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 317-317 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE letter from Professor David Layzer and his twenty-two co-signatories (see page 369) has raised the question whether Nature alone lacks a "non-discriminatory advertising code" and the probability that other newspapers and journals are refusing to publish advertisements which state that women are ...
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    European Laboratory: Still Waiting (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 318-318 
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    Notes: [Auszug] THE absence through ill health of Professor G. Puppi, chairman of the Esro council, from the council meeting held in Paris on November 23 and 24, caused the expected press conference to be cancelled and probably saved Esro a great deal of embarrassment. The Esro council continued its meeting this ...
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    National Science Foundation: Stever Confirmed (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 321-321 
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    Notes: [Auszug] AFTER twenty minutes of gentle and rambling questioning of Dr H. Guyford Stever last week, the Senate Committee on Labour and Public Welfare agreed, as everybody expected, that Dr Stever is suitably qualified to be the next director of the National Science Foundation, The Senate later went through ...
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    Human Evolution: Darwin Centenary (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 325-326 
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    Notes: [Auszug] ON October 28-30, Rome was the setting for another celebration of the centenary of the publication of the Descent of Man by Charles Darwin (see last week's issue: 234, 251; 1971). The occasion was marked by a distinguished gathering of international scientists at the Palazza Farnesina, home of the ...
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    Black Holes and Binary Stars (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 342-342 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Drs Hawking and Gibbons write: The two main points that Batten and Olowin make about our paper are: 1. The measured eccentricities of short period binaries are unreliable and may not represent real eccentricities. 2. There may be a selection effect which makes the detection of higher ...
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    Imaging the Rhodium Atom with a Conventional High Resolution Electron Microscope (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 345-347 
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    Notes: [Auszug] Although resolutions of better than 0.2 nm (2 Å) have been reported with conventional transmission electron microscopes, little hope had been given that these instruments could be used to obtain the image of a single atom. The problem was one of lack of contrast between the heavy atoms and ...
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    Design and Synthesis of Controlled Release Pesticide-Polymer Combinations (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 349-351 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The fundamentals of such controlled release systems are currently being investigated primarily for forestry applications such as the 5 yr suppression of competitive deciduous brush in the presence of conifers in the temperate Pacific North-West4-6 and in tropical Costa Rica7, the prevention of ...
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    Unambiguous Billion (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 426-426 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,?For a long time we have had to live with the annoying fact that Americans and Europeans cannot use the word billion without a risk of confusion. Perhaps it would be possible to persuade people on both sides of the Atlantic to add just two extra letters to indicate how big the billion is meant ...
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    Muscarinic Action of Acetylcholine (1971)
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    Nature 234 (1971), S. 355-355 
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    Notes: [Auszug] We report that the excitation of spinal Renshaw cells by a cholinomimetic which interacts with muscarinic receptors cannot be selectively reduced by DNP. The excitation of these cells by acetyl-?-methylcholine is very sensitive to atropine and is relatively insensitive to dihydro- ? -erythroidine4, ...
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    Space: Ionosphere Probe (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 316-316 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EARLIER this week the latest in the Ariel series of British satellites was being prepared for launch from the Western Test Range in California on December 11. The satellite is a repetition of the previous satellite in the series, Ariel 3, but with many significant modifications and improvements. An ...
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    Royal Society (1971)
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    Nature 234 (1971), S. 316-316 
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    Notes: [Auszug] PROFESSOR A. L. HODGKIN was re-elected president of the Royal Society at the anniversary meeting of the society held last week. The other officers re-elected were Sir Frederick Bawden, Rothamsted Experimental Station, treasurer; Sir Bernard Katz, University of London, biological secretary; and Sir ...
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    Science Policy: Lord Rothschild Says It Again (1971)
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    Nature 234 (1971), S. 319-320 
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    Notes: [Auszug] THE Royal Society of Arts, more fully known as the Royal Society for the Encouragement of Arts, Manufactures and Commerce, heard from Lord Rothschild himself, on Wednesday this week, of the philosophy underlying his proposals for the reorganization of the British government's interests in civil ...
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    Astronomy: New Face for Arecibo (1971)
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    Nature 234 (1971), S. 321-321 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A CONTRACT has at last been awarded for resurfacing the 1,000 foot radio antenna at Arecibo in Puerto Rico. The work, which will cost about $3.76 million, will take about two and a half years to complete, and should improve considerably the sensitivity of the telescope?allowing detection of ...
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    Predator Control: How to Kill Coyotes (1971)
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    Nature 234 (1971), S. 322-322 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] LAST year, 74,000 coyotes were killed as a result of federally financed poisoning programmes, which have been under the control of the Department of Agriculture for the past 40 years. But, according to Senator Gale W. McGee, there has never been a census taken of the number of coyotes in the United ...
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    Haematology: Sickle Cell and Flight (1971)
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    Nature 234 (1971), S. 326-327 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has been known for about twenty years that aircraft flights can cause illness among people with sickle cell disorders?a hereditary disorder of the blood that affects negro populations. But many negroes have only mild forms of the disease and are unaware that they are sufferers. To what extent ...
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    Distinguishing Atlantic Cherts (1971)
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    Nature 234 (1971), S. 327-327 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONE of the many unexpected results to emerge from the JOIDES Deep Sea Drilling Project has been the discovery of cherts in drill cores over a wide area of the north Atlantic. But what exactly are cherts? In general terms they are highly siliceous rocks comprising micro-crystalline quartz and/or ...
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    Chemical Constituents of Interstellar Clouds (1971)
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    Nature 234 (1971), S. 332-334 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The application of organic chemistry to the interstellar medium has considerably heightened the appreciation of the complexity and variety of interstellar clouds. Results obtained during the past three years suggest that only a start has been made in the identification of the molecular constituents ...
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    Further Evidence for Collapsed Objects in Binary Star Systems (1971)
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    Nature 234 (1971), S. 342-343 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Single-line Binaries from the Trimble and Thorne List with P 〈 5 Days, e 〈 0.13 Star Spectral Aprox-type imate Period (days) Corrected . v , radial velo- ' KR' e City VR 〈 K2r 〉i distance (km s"1) HD 40005 B3V 430 pc 3.306 (0.037) + 5 0.5 201 G Sgr A3III 140 pc 4.625 (0.049) ...
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    Absolute Gamma-ray Dosimetry by Recoil Electron Spectroscopy (1971)
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    Nature 234 (1971), S. 260-262 
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    Notes: [Auszug] The difficulties associated with the measurement of continuous gamma-ray spectra can be overcome by a new absolute dosimetry method which does not require the use of other detectors or of radiation ...
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    Slowly but Steadily with Information (1971)
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    Nature 234 (1971), S. 268-269 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE doctrine of the free flow of scientific information is a little like the concept of democracy?everybody is for it in theory but most people hope against their better judgment that they will not themselves be too seriously diverted from their individual objectives. At the beginning of October, ...
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    Medical Care (1971)
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    Nature 234 (1971), S. 271-272 
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    Notes: [Auszug] Medical History and Medical Care: A Symposium of Perspectives. (Arranged by the Nuffield Provincial Hospitals Trust and the Josiah Macy jun. Foundation.) By Gordon McLachlan and Thomas McKeown. Pp. xii + 244. (Oxford University: London and New York, 1971.) £3. THIS book is the record of a ...
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    Abstracts (1971)
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    Nature 234 (1971), S. 273-274 
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    Notes: [Auszug] Abstracts and Abstracting Services. By Robert Collison. Pp. 122. (Clio: Santa Barbara, California, and Oxford, May 1971.) $4.75., THIS book gives a fairly wide survey of the history and current practice of abstracting, and deals with the nature and style of abstracts, the writing, editing ...
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    Ions and Membranes (1971)
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    Nature 234 (1971), S. 286-286 
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    Notes: [Auszug] Ion Transport and Membranes—A Biophysical Outline. By A. B. Hope, Pp. 121. Published by (Butterworth: London, March 1971.) £3.00. THE content of this book is not a great deal more than often found in a review article. It consists of just over a hundred pages which make up ten short and ...
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    Embryological Methods (1971)
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    Nature 234 (1971), S. 284-284 
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    Notes: [Auszug] Methods in Mammalian Embryology. Edited By Joseph C. Daniel jun, Pp. xv+ 532. Published by(W. H. Freeman: San Francisco and Reading, July 1971.) £10.70. MILESTONES in the development of mammalian embryology were the first sighting of mammalian eggs and pre-implantation embryos by Cruikshank ...
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    Human Hair (1971)
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    Nature 234 (1971), S. 285-285 
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    Notes: [Auszug] The basal part of a hair of the human head. The epidermal surface is covered with leaf-like cells which, when peeled off, will form dandruff. (Magnification xi,020.) Taken from Atlas of Scanning Electron Microscopy in Medicine, by T. Fujita, J. Tokunaga and H. Inou. (Tokyo: Igaku Shoin; Amsterdam, ...
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    Explosive or Detonative Phase Transitions on a Geological Scale (1971)
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    Nature 234 (1971), S. 293-294 
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    Notes: [Auszug] In nature, a phase change may take place in volumes of the order of cubic kilometres. This change would spread through the volume accompanied by a shock wave. In fact for this mechanism to operate, the transition must be induced by the shock wave and the transition itself must add energy to the ...
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    Animals of the Arctic (1971)
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    Nature 234 (1971), S. 288-288 
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    Notes: [Auszug] Seven species of phocid seal are found in the Arctic, though their patterns of distribution in the region differ widely. They and all other species of Arctic wildlife are documented and illustrated in Animals of the Arctic: The Ecology of the Far North by Bernard Stone-house. Pp. 172. (Holt ...
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    Thallium as a Vital Stain for Yeast Mitochondria (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 297-297 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The cristate mitochondria are not visible in the living yeast cell and are difficult to fix and stain, but Mr Michael Todd, working with Dr Hewson Swift, has established (by an original staining method, personal communication) that a single layer of regularly arranged, cristate mitochondria (almost ...
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    Formation of a Carcinogen in Human Skin irradiated with Ultraviolet Light (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 306-308 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Formation of Photo-oxidation Products in Skin Treatment Oxidation products* Control 1.04 Irradiated (min) 2 1.43 10 1.84 20 3.68 60 9.20 * Levels of polar photo-oxidation products were determined as the percentage radioactivity remaining at the origin of TLC plates, ...
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    Environment Conference (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 309-309 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,?I should like you to know how much I appreciated the coverage of the Canberra meeting of SCOPE on September 1-31. I must point out, though, that your correspondent entirely misunderstood the main thrust of my remarks on the question of the organization of environmental activities within the UN ...
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    Population and Economics (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 310-310 
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    Notes: [Auszug] SIR,?I suppose that your highly irresponsible editorial of November 5 (Nature, 234, 2; 1971) under the heading "Alice Economics" need not be considered seriously, but there is a danger that what you have written will be read by "young people and other innocents", to use your own phrase in the other ...
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    100 Years Ago (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 164-164 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] M. JOLY, a distinguished member of the French Academy of Medicine, has recently read a paper before that learned society, in which he attributes the enervation of the nation, as evinced during the late war, to the combined effect of alcohol and nicotine upon the national character. "Tobacco," says ...
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    University Grants Committee (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 165-165 
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    Notes: [Auszug] MRS MARGARET THATCHER, Minister of Education and Science, announced in the House of Commons last week that she was increasing the universities recurrent grant for the 1971-72 academic year from £225 million to £238.1 million. The increase, according to Mrs Thatcher, is to take into ...
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    Computers: All Things to All Men (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 166-167 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH computer companies in Britain have reacted favourably to the Select Committee on Science and Technology's report on prospects for the British computer industry, there have been some misgivings about the criteria for purchase preference that have been proposed (see Nature, 234, 117; 1971). ...
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    How Far will this Special Action Office Go ? (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 168-168 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PRESIDENT NIXON'S campaign against drug abuse, launched in his message to Congress in June this year, has become bogged down in congressional committees. Last week, the Senate Committee on Government Operations reported out a bill that differs in some important respects from Nixon's original ...
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    Gravitational Lenses and the Structure of the Universe (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 172-173 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE are several possible ways of explaining the redshift of the emission lines observed in the spectra of quasars. The most obvious view, and the one that is most widely accepted, is that quasars are at cosmological distances, and that their redshifts are due to the expansion of the universe ...
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    Zoology: New NERC Unit (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 177-177 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Insect Pathology Unit (under Dr T. W. Tinsley) at the University of Oxford, which has been supported for the past five years by a grant in aid from the Natural Environment Research Council, has now been brought directly under the council with the title of Unit of Invertebrate Virology and with ...
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    Organic Analyses of Selected Areas of Surveyor III recovered on the Apollo 12 Mission (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 210-211 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The camera mirror and middle shroud were extracted for organic material by washing the surface with benzene or benzene and methanol (3:1) squirted on by a syringe and collected in a beaker. The area of the mirror which was washed with benzene was approximately 35 cm2. The whole operation was ...
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    Complete Fusion induced by Krypton Ions: Indications for Synthesis of Superheavy Nuclei (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 215-216 
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    Notes: [Auszug] The apparatus was tested by carrying out experiments with an argon beam and a dysprosium target3 that produced the known alpha emitters 200Po and 199Po. Also the reaction 84Kr+74Ge?153Er + 5n was studied and found to give a maximum cross section of 20 mbarn at a bombarding energy of 370 MeV. The ...
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    Quantitative Method for assessing One Symptom of the Withdrawal Syndrome in Mice after Chronic Morphine Administration (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 223-224 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] If nalorphine, a narcotic antagonist, is injected into mice which have been chronically injected with morphine, it precipitates a withdrawal syndrome which includes hyper-motility, tremors, diarrhoea, micturition and piloerection2. The "intensity" of the syndrome was rated by Huidobro and Maggiolo ...
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    Verbal Communication with L -Dopa Treatment (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 224-225 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Placebo was given for 1 week and then replaced by oral L-dopa for 2 weeks, in a dose of 1 g in the first week and 2 g in the second week. All patients remained on their previous neuroleptic medication throughout the study to yield a reliable and steady behavioural base line. Ten of the original ...
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    Sampling Variation of Reported Results (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 230-231 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A survey of 321 university students, made as a statistical exercise in the conducting of a sample survey, rather than for medical implications, is shown in Table 1. (The X2 values are calculated using Yate's continuity correction.) Table 1 Handedness and Birth Order All Male Female Birth ...
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    Coral Reefs (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 233-233 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] INTEREST in coral reefs is growing and the republication of this small book, which first appeared in 1948, is welcome. It deals with the coral fauna of the Caribbean and Gulf of Mexico with outlying populations as far north as Bermuda and as far south as the coast of Brazil. Many of the shallow ...
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    Primary Battery (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 235-235 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is more than twenty years since G. W. Vinal's well known book on primary batteries was published. In this time a commercial demand has been established for MnO2/KOH/Zn and HgO/KOH/Zn batteries, and AgO,Ag2O/KOH/Zn batteries have proved important for special high power density applications. Fuel ...
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    Eastern Libraries (1971)
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    Nature 234 (1971), S. 236-236 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] INFORMATION about the development of libraries and librarianship in the East is scattered throughout Unesco and other report literature, or appears in short articles in the periodicals of the countries concerned. Thus it is difficult to obtain a complete picture and especially to study progress on ...
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    Preserving Rare Breeds (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 237-237 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,-I was interested to read your report, "Keeping Fossils Alive"1, of a conference on "rare breed survival" which was held on October 15. This correctly refers to the fact that rare breeds of cattle, sheep and poultry had been kept as a "gene bank" at Whip-snade, but is wrong in saying that the ...
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    Erratum (1971)
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    Nature 234 (1971), S. 238-238 
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    Notes: [Auszug] The review in last week's Nature by Lancelot Law Whyte "Science and Synthesis" (Nature, 234, 159; 1971) was unfortunately published under the wrong bibliography. This should have been as follows: Science and Synthesis. (An International Colloquium organized by Unesco on the Tenth Anniversary of the ...
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    How Much is Enough ? (1971)
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    Nature 234 (1971), S. 115-115 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE most respectable of all numbers games is the prediction of population, as in the United Kingdom. Unlike other forms of gaming, bingo or blackjack, for example, trying to tell how many young people will need desks in schools ten years ahead, or how many older people will need hospital beds in ...
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    Industrial Relations: Battle or the War ? (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 119-119 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE majority ruling of three Appeal Court judges last week means that Mr Jack Hill has won his battle with C. A. Parsons, the Newcastle engineering company who dismissed him for refusing to change his trade union. It remains to be seen, however, whether the United Kingdom Association of ...
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    Pesticides: A Few Loopholes (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 121-121 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IF a bill passed last week by the House of Representatives finds its way to the statute books, the federal government will for the first time have the power to regulate and control the manufacture and use of pesticides. At present, federal controls on pesticides apply only to their labelling and to ...
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    Lipid Membranes: Nervous Hysteresis (1971)
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    Nature 234 (1971), S. 126-127 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MORE than thirty years ago the lipid bilayer was put forward by Danielli as an important structural element in biological membranes. Interest in the role of membrane lipids has since fluctuated but is currently very strong and one of the recent areas of activity concerns the role of lipid phase ...
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    RNA Phages: Progeny Release (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 127-128 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE know more about the biology of R17, QB and the other RNA phages- the simplest known phages-than any other group of viruses. The three genes which comprise their genome have been mapped and their functions defined, and two of the proteins specified by these genes have been sequenced. Large ...
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    Detection of Plutonium-244 in Nature (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 132-134 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Mass spectrometric measurements of plutonium isolated from Precambrian bastnasite confirm the presence of 244Pu in nature. Although the existence of 244Pu as an extinct radioactivity has been postulated to explain the xenon isotope ratios observed in meteorites, this ...
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    Mineralogy of Apollo 15415 “Genesis Rock” : Source of Anorthosite on Moon (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 138-140 
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    Notes: [Auszug] Table I Pyroxenes ; wt. % Oxides; Mol % End Members Group 1 Group 2* No. 1 No. 2 Average Range Na20 0.0 0.0 0.03 0.01-0.04 MgO 19.6 19.8 14.0 13.7-14.3 A1203 0.63 1.43 1.32 0.97-1.51 SiO2 51.0 51.7 52,2 51.7-52.6 CaO 1.16 1.70 21.6 20.8-22.8 TiO2 0.24 ...
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    What Flux Limits can be Set for X-ray Pulses accompanying Weber's Pulses ? (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 142-143 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] X-ray satellites5 could in principle be used to look for occasional bursts of X-rays, but with an expected event rate of ~ 1 day-1 (rf. 4), it is unlikely, however, that they could be spared for the necessary long periods of observation. Moreover, many of the satellite instruments have narrow ...
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    Model for a Two-adversary Arms Race (1971)
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    Nature 234 (1971), S. 158-158 
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    Notes: [Auszug] In this model the responsive coefficients are non-negative constants. If both ut and u[ are positive, so must u%. Should one's stockpile be kept stationary («1 = 0), the foe's will still grow («2〉0) by the second equation. A slight decrease in one's stockpile («? negative but small) will not ...
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    Reaction of Metallic Copper with Biological Substrates (1971)
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    Nature 234 (1971), S. 153-154 
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    Notes: [Auszug] This loss of metallic copper has prompted me to investigate the interaction of metallic copper with various biological substrates. In all experiments electrolytic grade copper foil of various dimensions was placed in solutions of substrates incubated at 37.5 C. After various times of incubation ...
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    Standards: All Things being Equal (1971)
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    Nature 234 (1971), S. 63-63 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE International System of units (SI) was rounded off for the time being by the decisions of the 14th General Conference of Weights and Measures (CGPM) in Paris last month. The conference agreed that the mole should become a base unit of substance within the SI with the pascal and Siemens being ...
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    Nuclear Weapons: Lessons from Cannikin (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 66-67 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHAT the US Atomic Energy Commission scientists learnt from the Cannikin test on "the Island of Amchitka will probably never be known, being apparently vital to national security. The lessons for all other participants in the affair are more obvious. The drama associated with Cannikin was ...
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    Mariner 9: Into Orbit around Mars (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 67-67 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE arrival of Manner 9 in the vicinity of Mars today will open up a new chapter in the exploration of the solar system. If the craft successfully enters orbit around the planet, its sensors should be able to resolve some of the questions concerning the environment of Mars which have been puzzling ...
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    Sexual Selection: Mating Preferences (1971)
    [s.l.] : Nature Publishing Group
    Nature 234 (1971), S. 69-70 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DARWIN'S notebooks showt that he deduced his theories of sexual and natural selection at about the same time. Sexual selection was briefly mentioned in The Origin of Species and discussed in detail in The Descent of Man published in 1871. Although direct observations of natural selection were first ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/234069a0
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