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  • Nature Publishing Group  (47,852)
  • Periodicals Archive Online (PAO)  (31,519)
  • 2020-2024
  • 1975-1979  (36,759)
  • 1950-1954  (23,104)
  • 1945-1949  (19,508)
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  • 1
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    Nature Publishing Group
    In:  Nature, 275 (5680). pp. 547-549.
    Publication Date: 2019-06-20
    Description: THE rare deep-sea octopod Cirrothauma murrayi Chun 1910 was first described from a single specimen caught during the Michael Sars Expedition of 1910 (ref. 1). Until now it has been caught only four more times2. We describe here three specimens of this species that were recently caught during biological cruises of RRS Discovery (Fig. 1). All of these animals, including the Discovery ones, have been caught at depths of more than 1,500 m, except one that was dip-netted through the ice of the Arctic Ocean3.
    Type: Article , PeerReviewed
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  • 2
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    Nature Publishing Group
    In:  Nature, 275 (5680). pp. 536-538.
    Publication Date: 2018-01-22
    Description: THE Sierra Leone Rise, located in the east equatorial Atlantic, forms a discontinuous chain of seamounts as shallow as 2 km extending with a general NE–SW trend from near the Sierra Leone coast of Africa, to the St Paul fracture zone near the Mid-Atlantic Ridge (Fig. 1). The origin of this feature has remained a topic of discussion. Sheridan et al.1 have hypothesised that the Sierra Leone Rise is a volcanic structure formed at the beginning of the opening of the Atlantic in the early Cretaceous period. The twin features of the Sierra Leone and the Ceara Rises are probably of oceanic origin and were created 80 Myr ago or later in their present-day position with respect to Africa and South America2. The Atlantic ocean exhibits several similar aseismic structures which appear symmetrically oriented with respect to the mid-oceanic ridge, such as the Walvis–Rio Grande Rise and the Iceland Faeroes–Iceland Greenland Ridges. These structures are volcanic edifices having a composition similar to that found in their associated islands3–7. Deep sea drilling of the Ceara Rise8,9 penetrated a basaltic basement of the upper Cretaceous period (Maestrichtian) (Leg 39, Site 354). Similarly, a DSDP hole (Leg 41, Site 366) on the Sierra Leone Rise, penetrated sediments of the same period, without reaching basement10. We report here the discovery of alkali-rich volcanics in an area of the Sierra Leone Rise. The sediment overlying the rock fragments is aged ∼45 Myr.
    Type: Article , PeerReviewed
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  • 3
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    Nature Publishing Group
    In:  Nature, 257 (5525). pp. 380-381.
    Publication Date: 2016-11-15
    Description: THE class Cephalopoda is represented by over 10,000 fossil species and about 1,000 living species. Almost the entire fossil record so far described consists of external or internal calcareous shells of the Ammonoidea, the Nautiloidea and some members of the Coleoidea. The subclass Coleoidea includes all but three (Nautilus spp.) of the living species of cephalopods, and is represented in the fossil record largely by the order Belemnitida which is important from the early Jurassic to the Eocene. Another coleoid order, the Sepioidea, including the living Sepia and Spirula have internal calcareous shells, and have left traces from the Upper Jurassic (Voltzia) to the present. The three remaining coleoid orders, the Teuthoidea, the Vampyromorpha and the Octopodida include all the remaining living cephalopods, comprising 29 teuthoid or squid families, one vampyromorph family and 12 octopod families.
    Type: Article , PeerReviewed
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  • 4
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    Nature Publishing Group
    In:  Nature, 272 (5648). pp. 43-46.
    Publication Date: 2016-09-02
    Description: The past 20,000 yr have witnessed tremendous climatic changes, a glacial maximum at about 18,000 yr BP and a climatic optimum centred on about 6,000 yr BP, both of which mark extreme situations for the Quaternary. This paper attempts to show that active sand dunes were extensive 18,000 yr ago. Conversely, it seems that sand dunes were generally dormant 6,000 yr ago. Thus the former textbook concept1,2 of an arid climatic optimum and a pluvially active glacial maximum is reversed.
    Type: Article , PeerReviewed
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  • 5
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    Nature Publishing Group
    In:  Nature, 268 (5622). pp. 720-722.
    Publication Date: 2016-04-15
    Description: A SIMPLE model for continental basement structures at rifted continental margins comprises large fault blocks which trend approximately parallel to, and step down towards, the continental–ocean boundary (for example, see ref. 1). These blocks may be cut by faults which strike across the margin, and, in many theoretical discussions, are shown as being separated from the true oceanic crust by an intermediate zone (see transitional crust of Fig. 3, ref. 2). On many rifted margins these features are deeply buried by young sediments and cannot be stutied in detail. On Goban Spur (Fig. 1), a marginal plateau south-west of Ireland, the young sediment cover is abnormally thin, however, and we have been able to map in detail a 150 km wide continental basement fracture pattern of horsts and grabens using a simple seismic reflection system (160 inch3 air-gun and two-channel hydrophone array). We also suggest a location for the continent–ocean boundary between the Spur and Porcupine Abyssal Plain. There are few previously published data from Goban Spur relevant to our study, although valuable sampling3 and geophysical3–5 results have been obtained north and south of the area.
    Type: Article , PeerReviewed
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 386-387 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN connexion with the annual meeting of the British Association an exhibition has been arranged at the University of Birmingham to illustrate the topic "Energy in the Service of Man" suggested by Unesco for world-wide discussion and study in 1950. The exhibition has been sponsored by the National ...
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 384-385 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR. W. B. TURRILL'S presidential address to i^J Section K (Botany) reviews briefly some reasons for the relative neglect of plant systematics in recent times, particularly in universities. Taxonomists have tended to be too rigid in principles and methods ; the rise of other branches of botany has ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 387-387 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Prof. C. Batho PROF. CYRIL BATHO, who retires in September, has occupied the chair of civil engineering in the University of Birmingham since 1924. Educated at the University of Liverpool, he later studied at Berlin and Charlottenburg and in 1908 was appointed lecturer in civil engineering, and in ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 387-388 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Dr. J. Ramsbottom, O.B.E. AFTER almost forty years' service, the last twenty as keeper of botany, Dr. J. Ramsbottom will retire from the British Museum (Natural History) in October. In this key position he has had a profound and beneficent influence on British botany. On going to the Museum he ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 388-388 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A HUNDRED years ago, on August 27 at Bologna, Augusto Righi, the Italian physicist, renowned for his researches in electricity, magnetism and light, was born. Most of Righi's life was spent in Bologna and he was professor of physics in the University from 1889 until his death on June 8, 1920. His ...
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