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  • Articles  (129)
  • American Institute of Physics  (116)
  • Nature Publishing Group  (13)
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  • Articles  (129)
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  • 1
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    Antarctic-wide array of high-resolution ice core records reveals pervasive lead pollution began in 1889 and persists today (2014)
    Nature Publishing Group
    In:  EPIC3Scientific Reports, Nature Publishing Group, 4, pp. 5848, ISSN: 2045-2322
    Details
    Publication Date: 2014-12-17
    Description: Interior Antarctica is among the most remote places on Earth and was thought to be beyond the reach of human impacts when Amundsen and Scott raced to the South Pole in 1911. Here we show detailed measurements from an extensive array of 16 ice cores quantifying substantial toxic heavy metal lead pollution at South Pole and throughout Antarctica by 1889 – beating polar explorers by more than 22 years. Unlike the Arctic where lead pollution peaked in the 1970s, lead pollution in Antarctica was as high in the early 20th century as at any time since industrialization. The similar timing and magnitude of changes in lead deposition across Antarctica, as well as the characteristic isotopic signature of Broken Hill lead found throughout the continent, suggest that this single emission source in southern Australia was responsible for the introduction of lead pollution into Antarctica at the end of the 19th century and remains a significant source today. An estimated 660 t of industrial lead have been deposited over Antarctica during the past 130 years as a result of mid-latitude industrial emissions, with regional-to-global scale circulation likely modulating aerosol concentrations. Despite abatement efforts, significant lead pollution in Antarctica persists into the 21st century.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 2
    Electronic Resource
    Electronic Resource
    Receptor Organs in Tunicata (1948)
    [s.l.] : Nature Publishing Group
    Nature 162 (1948), S. 1000-1000 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] NOTHING was known of tunicate receptors before 1899, when Herdman1, in his description of Ascidia, mentioned a few structures that might act as receptors, but gave no proof or details. Lorleberg2, on the other hand, stated in 1907 that in Stylopsis “there is ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1621000a0
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  • 3
    Electronic Resource
    Electronic Resource
    Nervous Mechanism in Tunicata (1948)
    [s.l.] : Nature Publishing Group
    Nature 162 (1948), S. 963-963 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DESPITE the contributions of Lorleberg1, Hilton2, Hecht3, Cate4, Bacq6, and Das6, the picture of tunicate nervous relations is still incomplete. Although the central nervous system consists of only one ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/162963a0
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  • 4
    Electronic Resource
    Electronic Resource
    Delayed Neutrons (1948)
    [s.l.] : Nature Publishing Group
    Nature 162 (1948), S. 853-853 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN his paper “Mechanism of Nuclear Fission”, Bohr1 has explained the emission of delayed neutrons from certain members of the fission chains as due to the product being in a sufficiently highly excited state after the emission of β-particles. Of the other possibilities, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/162853a0
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  • 5
    Electronic Resource
    Electronic Resource
    British Folliculinidæ (Ciliata, Heterotricha) (1948)
    [s.l.] : Nature Publishing Group
    Nature 162 (1948), S. 534-534 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SINCE February 1947, I have had the opportunity of making an intensive search for Folliculinids at Plymouth, where I found four species, and at Culler-coats where five species were discovered. Except for Folliculina (Folliculinopsis ?) ampulla, no record of Folliculinid species existed at these ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/162534a0
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  • 6
    Electronic Resource
    Electronic Resource
    British Folliculinidæ (Ciliata, Heterotricha) (1947)
    [s.l.] : Nature Publishing Group
    Nature 159 (1947), S. 502-502 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHILE examining plates submerged in sea water at Cullercoats, I have come across two species of Folliculinidæ which, to my knowledge, have not been reported so far from Great Britain. They are Folliculinopsis (Folliculina) producta Wright and Folliculina simplex Dons. The Folliculinopsis ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/159502a0
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  • 7
    Electronic Resource
    Electronic Resource
    Alterations in the Carotenogenesis in Staphylococcus aureus after Adaptation to Pyrithiamine (1962)
    [s.l.] : Nature Publishing Group
    Nature 196 (1962), S. 295-296 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Previous studies show that there is either complete suppression of carotenogenesis by S. aureus as in the case of adaptation to tetracyclines2, or an alteration in the nature of the pigments as hi the case of adaptation 430 Wave-length to sulphathiazoles3 or fluoropyrimidines4. The absorption ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/196295a0
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  • 8
    Electronic Resource
    Electronic Resource
    Hydrogen Ion Concentration, Plankton and Fish in Fresh-water Eutrophic Lakes of India (1961)
    [s.l.] : Nature Publishing Group
    Nature 191 (1961), S. 511-512 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The investigations show that pH values range from 7-2 to 9-2 during the year. A high pH is observed in the months of July and August, when the average is about 8-6. But the values decrease during September and October and reach 7 -4 in the last two weeks of October. November and December maintain ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/191511b0
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  • 9
    Electronic Resource
    Electronic Resource
    X-Ray Diffraction by Supercooled Liquid Sulphur (1939)
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 332-332 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has been observed that sulphur may be kept, with a little care, in the supercooled liquid state at the ordinary room temperatures (25°−30° C.) in the form of small globules on clean glass surfaces. In some cases it has been possible to keep one and the same globule in the supercooled state ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/143332a0
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  • 10
    Electronic Resource
    Electronic Resource
    Conversion of Vitreous and Monoclinic (α) Selenium to the Hexagonal Modification (1939)
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 165-165 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SELENIUM is known to exist in several stable allotropic modifications, of which the structures of the hexagonal and the monoclinic varieties (α and β) have been determined by Bradely1 and Klug2 respectively. Prins and Dekeyser3 have investigated the gradual ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/143165a0
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