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  • 1
    Electronic Resource
    Electronic Resource
    Stellar Structure. (1931)
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), S. 894-894 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BY an unaccountable slip, a numerical error crept into our recent communication1 concerning the nuclei of planetary nebulæ. With the assumed data for a typical nucleus, it is the superficial area which is 1/43 of the sun's. With mass equal to the sun, the mean density comes out ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/127894b0
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  • 2
    Electronic Resource
    Electronic Resource
    Stellar Structure. (1931)
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), S. 661-662 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ZANSTRAS recent determination of the temperatures of the O-stars in planetary nebulæ1 makes it appear extremely likely that these stars are all generically in the ‘white dwarf’ class, with mean densities far above anything known on the earth. He has found temperatures between ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/127661a0
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  • 3
    Electronic Resource
    Electronic Resource
    Do Oceanic Plankton Animals Lose Themselves? (1930)
    [s.l.] : Nature Publishing Group
    Nature 125 (1930), S. 17-17 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RECENT researches into the behaviour of plankton animals in the sea as to their vertical movements from day to day indicate that light intensity is an important factor. The animals appear in Nature to be brought around an optimum intensity by some tropistic mechanism and, assuming this, there ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/125017a0
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  • 4
    Electronic Resource
    Electronic Resource
    Vitamin Content of Marine Plankton. (1930)
    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 472-472 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE appearance of the letter in NATURE of Sept. 13, by J. C. Drummond and E. R. Gunther, on the vitamin content of marine plankton, simultaneously with the résumé on p. 423 of the same issue, of the paper by G. Belloc, R. Fabre, and H. Simonnet on the study of plankton sterols, stresses the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/126472a0
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  • 5
    Electronic Resource
    Electronic Resource
    Fats of Brown Sea-weeds (1932)
    [s.l.] : Nature Publishing Group
    Nature 129 (1932), S. 654-655 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] INVESTIGATIONS recently carried out in this department on the marine algæ have shown that there would appear to be some connexion between the depth of immersion of such weeds and their metabolism, as expressed by their chemical composition. Such connexion has been traced in regard to their ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/129654b0
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  • 6
    Electronic Resource
    Electronic Resource
    Chemistry of the Red and Brown Algæ (1934)
    [s.l.] : Nature Publishing Group
    Nature 133 (1934), S. 651-651 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN view of the fact that a study of the literature on the red and brown algæ revealed considerable uncertainty as to whether true cellulose occurs in these plants, the following seaweeds were examined for cellulose by the usually accepted methods :— among the red algæ, Corallina officinalis, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/133651a0
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  • 7
    Electronic Resource
    Electronic Resource
    Tunny in the North Sea (1933)
    [s.l.] : Nature Publishing Group
    Nature 132 (1933), S. 860-860 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MR. F. S. RUSSELL1 is certainly correct in assuming that the occurrence of tunny (Thunnus thynnus L.) in the North Sea is not of recent date. The Fisheries staff, during their investigation of herring trawling in 1912 and 1913, frequently observed this magnificent fish in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/132860c0
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  • 8
    Electronic Resource
    Electronic Resource
    Ball Lightning. (1930)
    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 809-809 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROF. R. W. WOOD'S letter in NATURE of Nov. 8, p. 723, is a valuable contribution to our knowledge of this type of lightning. His reference to increasing our knowledge by touching the globe perhaps calls for a word of warning. I think that touching the globe would certainly cause a very severe ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/126809a0
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  • 9
    Electronic Resource
    Electronic Resource
    The Swimming of Cuttlefish. (1930)
    [s.l.] : Nature Publishing Group
    Nature 125 (1930), S. 893-893 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT may not perhaps be generally realised that the common cuttlefish, Sepia officinalis, uses its siphon for slow swimming in all directions, as well as for the more violent backward leaps. We recently had an opportunity of watching the behaviour of cuttlefish which were swimming at eye level ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/125893a0
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  • 10
    Electronic Resource
    Electronic Resource
    Intermetallic Compound in Mercury. (1930)
    [s.l.] : Nature Publishing Group
    Nature 125 (1930), S. 89-89 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ATTENTION has not previously been directed to the possibility of formation of intermetallic compounds (other than with mercury) in liquid mercury. It is expected a priori that if such compounds are formed they would be unstable. With Mr. P. V. F. Cazalet I am investigating this problem and our ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/125089a0
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