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  • Nature Publishing Group  (26,601)
  • Public Library of Science
  • 1965-1969  (26,601)
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  • 1
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    [s.l.] : Nature Publishing Group
    Nature 224 (1969), S. 789-789 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Two pairs of observations made at the Pulkovo Observatory in 1956 and 1967 have recently been made available in a personal communication by Professor G. A. Chebotarev. Again I have found that the same orbital elements fit these observations with residuals of only + 2 in mean longitude. On the other ...
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  • 2
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    Nature 224 (1969), S. 791-791 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We originally stated that we consider that the motions of the three plates may be described as approximating to rotation about the Libyan pole of Le Pichon and Hertzler3. One of the reasons for the approximation is that there is some evidence that the plates suffer internal deformation for, ...
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  • 3
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    Nature 224 (1969), S. 791-793 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We easily correlated the magnetic anomalies with the pre-existing magnetic survey3, copies of which came from M. Talwani. The field varies somewhat laterally3, but not nearly as much as the topography does. The topography of the ridge can be divided into (1) outer flanks with low undulating ...
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  • 4
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    Nature 224 (1969), S. 946-947 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Is there a connexion between concentrations of cate-cholamines and fatty acids in the blood and the occurrence of heart attacks ? Evidence has been conflicting, but some recent results suggest that these substances are important. Last year Oliver, Kurien and Greenwood found a significant ...
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  • 5
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    Nature 224 (1969), S. 395-395 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the article "Bremsstrahlung Radiation in. Intense Magnetic Fields" by Simon and Strange (Nature, 224, 49 ; 1969), equation (2) should read : ±=83c 2cosn() nr2Qw df dpz dpz and five lines below read "Assuming that Qw(pz = ± ) f(± ) = ...
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  • 6
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    Nature 224 (1969), S. 395-395 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the article "Petrological, Magnetic and Chemical Properties of Basalt dredged from an Abyssal Hill in the North-east Pacific" by B. P. Luyendyk and C. G. Engel (Nature, 223, 1049; 1969), several lines were omitted from the text. The first few sentences of the second paragraph on page 1050 should ...
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  • 7
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    Nature 224 (1969), S. 396-396 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Monday, October 27 A Basis for a Mathematical Theory of Direction-Defining Radio Beacons (5.30 p.m.) Mr C. W. Earp, Institution of Electrical Engineers, at Savoy Place, London WC2. Scientific Aspects of Margarine (10 a.m.) Society of Chemical Industry; Royal Society of Health; and IFST, at the ...
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  • 8
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    Nature 224 (1969), S. 201-202 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE strange affairs of the British nuclear power industry continue to raise in the minds of honest people the simple question whether the British Government knows what it is trying to accomplish in this important field. A long time has gone since the Ministry of Technology first described, in July ...
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  • 9
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    Nature 224 (1969), S. 203-203 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE undoubted excitement and propaganda stimulus of the multiple Soyuz flight has tended both to re-stress and obscure the current aims of the Russian space programme. Certainly, the prestige of a space spectacular, starring more men in orbit than ever before, would appear to be an attempt to ...
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  • 10
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    Nature 224 (1969), S. 204-205 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A $3-3 MILLION solar telescope at the Sacramento Peak Observatory of the Air Force Cambridge Research Laboratories is now operational. The telescope is described as the most important new instrument for solar observations to be built in the United States for a decade and its resolving power ...
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  • 11
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    Nature 224 (1969), S. 206-206 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE annual battle for staff and funds between university departments is often won by those who shout the loudest, not by those who are most deserving. A notable departure from this laissez-faire situation is the procedure used at Stirling University whereby the allocation of staff between ...
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  • 12
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    Nature 224 (1969), S. 207-207 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Conservative Party Conference resulted in little change in the party's policies on education or the Common Market and consequently there was no change in its attitude towards science. No other motion greatly affecting science and technology was debated and, following the example set by the ...
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  • 13
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    Nature 224 (1969), S. 208-208 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE last salmon to be taken up river in the lower Thames was caught in June 1833 and the commercial fisheries, some of which brought in annual catches worth £5,000 a year, disappeared a few decades later. The villain of the piece was an English invention, the water closet, which by its ...
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  • 14
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    Nature 224 (1969), S. 208-209 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Council for Nature is in a stronger position than ever before. This is the conclusion of its chairman, Sir Landsborough Thomson, reviewing progress since the adoption of a new constitution in April 1968 (Working for Nature, Council for Nature report 1968-69, 2s). Before the change, which ...
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  • 15
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    Nature 224 (1969), S. 210-211 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE House of Commons Select Committee on Science and Technology has fired several shots across the ambitious bows of the Natural Environment Research Council in the report on the inquiry into the council's operations carried out earlier this year (HMSO, £1 Ss 6d). Although the general tone of ...
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  • 16
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    Nature 224 (1969), S. 977-977 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Dream Psychology and the New Biology of Dreaming Edited by Milton Kramer, in collaboration with Roy M. Whitman, Bill J. Baldridge and Paul H. Ornstein. Pp. xvi + 459. (Thomas: Springfield, Illinois, July 1969.) $17. HERE is an American book devoted to dreams, with contributions from ...
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  • 17
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    Nature 224 (1969), S. 977-978 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] George III and the Mad-Business By Ida Macalpine and Richard Hunter. Pp. xv + 407. (Allen Lane (The Penguin Press): London, November 1969.) 70s. To make a medical diagnosis from historical data is always a risky business. And yet there are many publications on problems as diverse as the Plague of ...
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  • 18
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    Nature 224 (1969), S. 978-979 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Louisiana Its Land and People. By Fred B. Kniffen. Pp. 196. (Louisiana State University Press: Baton Rouge, 1968.) $7.50. Imperial Texas An Interpretive Essay in Cultural Geography. By D. W. Meinig. Pp. 145+17 plates. (University of Texas Press: Austin and London, 1969.) $4.50; 43s. ...
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  • 19
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    Nature 224 (1969), S. 980-980 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Relativity By Ray Skinner, (A Blaisdell Book in Pure and Applied Sciences.) Pp. xii+340. (Blaisdell (Ginn): Waltham, Massachusetts and London, 1969.) $12.50. THERE is fast becoming a standard American textbook style, deriving perhaps from the Feynman Lectures in Physics. The books are ...
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  • 20
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    Nature 224 (1969), S. 804-806 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Chang liver cells were grown in 5 per cent CO2 in Eagle's minimal essential medium with Earle's balanced salt solution supplemented with non-essential amino-acids, antibiotics and 10 per cent heat-inactivated calf serum. The nutrient medium was changed daily and the experiments were performed ...
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  • 21
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    Nature 224 (1969), S. 806-806 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Our experimental design was similar to that of previous studies6-7 in which toxic effects of ethanol on liver and bone marrow in man were demonstrated. Four asymptomatic, haematologically normal adult male volunteers with normal liver biopsies and a history of chronic alcoholism were studied. ...
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  • 22
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    Nature 224 (1969), S. 808-809 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Islets of Langerhans were isolated from male guinea-pigs by collagenase digestion of the pancreas using methods previously described for rabbit pancreas6. Because the glucagon secreting a cells in the guinea-pig are situated uniformly throughout the islet mass7, they are less susceptible to damage ...
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  • 23
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    Nature 224 (1969), S. 809-810 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Long-Evans rats were administered 50 mg Cyclophosphamide per kg weight, intraperitoneally, on alternate days for a total of four injections. The animals were then injected intravenously with a 0*20 ml. suspension containing 2 x 108 viable staphylococci. At various times thereafter, animals were ...
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  • 24
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    Nature 224 (1969), S. 810-811 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I have been immunizing chimpanzees with Australia antigen and now report findings on the presence of Australia antigens in the chimpanzees, as well as the successful immunization of chimpanzees with this antigen, which produced quantities of Australia antigen specific antiserum. These observations ...
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  • 25
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    Nature 224 (1969), S. 806-808 
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    Notes: [Auszug] We show here that when the nutritional level of the medium is suddenly reduced, a transient phase of more rapid TAT degradation appears. This "enhanced degradation" is inhibited by actinomycin D and cycloheximide, in the presence of which TAT degradation approaches its slower "normal" rate. ...
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  • 26
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    Nature 224 (1969), S. 811-813 
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    Notes: [Auszug] Early attempts to identify the factor were hampered by its extreme sensitivity to mild procedures, but did demonstrate that it was not identical with any of fifty selected indoles, including bufotenin. To improve resolution, we developed a new hybrid two-dimensional system utilizing thin-layer ...
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  • 27
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    Nature 224 (1969), S. 813-815 
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    Notes: [Auszug] Although there have been many theories of the meaning of alpha rhythm3-5 the most common EEG index used has been the degree to which alpha rhythm is present. A common assumption underlying use of an alpha frequency index is that it constitutes a measure of cortical excitability. It has been argued ...
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  • 28
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    Nature 224 (1969), S. 815-817 
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    Notes: [Auszug] Using Schistocerca gregaria I have examined the mechanical response of a group of intersegmental muscles to electrical stimulation of the nerve running to them in embryos and in newly hatched hoppers. I denned the stage of development as a percentage of the incubation period of the egg pods from ...
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  • 29
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    Nature 224 (1969), S. 992-992 
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    Notes: [Auszug] Plant Variation and Evolution By D. Briggs and S. M. Walters. (World University Library.) Pp. 256. (Weidenfeld and Nicolson: London, August 1969.) 35s boards; 18s paper. So many of the problems that faced the early workers on variations in plants and animals are easily understandable to us today. ...
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    Nature 224 (1969), S. 993-993 
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    Notes: [Auszug] Planarian Regeneration By H. V. Brondsted. (International Series of Monographs in Pure and Applied Biology, Zoology Division, Vol. 42.) Pp. viii + 276 + 20 plates. (Pergamon: Oxford, London and New York, October 1969.) 100s; $13.50. DALYELL'S arresting aphorism no doubt has ...
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    Nature 224 (1969), S. 993-994 
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    Notes: [Auszug] Practical Invertebrate Zoology A Laboratory Manual for the Study of the Major Groups of Invertebrates, excluding Protochordates. By F. E. G. Cox, R. Phillips Dales, J. Green, J. E. Morton, D. Nichols and D. Wakelin. Biology Series.) Pp. xii + 356. (Sidgwick and Jackson: London, 1969.) 25s. ...
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  • 32
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    Notes: [Auszug] Although there has been much speculation as to the nature of the pigmented bodies within the ciliate, direct morphological and experimental information has been difficult to obtain because attempts to culture the ciliate have failed and because it is extremely sensitive to handling and routine ...
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  • 33
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    Nature 223 (1969), S. 1333-1335 
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    Notes: [Auszug] EVEN though one knows the primary structure of several ZRNA species and one adopts the highly base-paired secondary structure suggested' by Holley et al.1 (Fig. 1) for £RNA^al, there is still a great deal of latitude in the choice of the relative positions of the four base-paired segments. ...
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    Nature 223 (1969), S. 1340-1342 
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    Notes: [Auszug] A new amber suppressor which can exist only in su+/su− heterozygotes inserts glutamine in response to the UAG ...
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    Nature 223 (1969), S. 1335-1339 
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    Notes: [Auszug] Three species of RNA which sediment at 9–10S and are synthesized in the nuclei of cleaving sea urchin embryo cells are tentatively identified as the messenger RNAs for the three chief classes of ...
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    Nature 223 (1969), S. 1342-1348 
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    Notes: [Auszug] These electron transfer agents often have unusually low redox potentials. Eighteen are known from higher plants and bacteria, and are involved in nitrogen fixation as well as ...
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    Nature 223 (1969), S. 1349-1350 
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    Notes: [Auszug] We have analysed in some detail the evolution of these condensations during the cooling down of the universe, and the results are described here together with the consequences for galaxy and quasar formation. There are distinct differences between the hadronic and leptonic era and the radiation ...
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    Nature 223 (1969), S. 1350-1351 
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    Notes: [Auszug] There are several difficulties in first attempts to interpret these observations. For example, Kraft and Demoulin3 suggested that Cyg X-2 may be a triple system in order to account for their observation that the radial velocities passed through separate minima on two nights at about - 200 km s-1, ...
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    Nature 223 (1969), S. 1351-1352 
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    Notes: [Auszug] We briefly examine here a simple radiation mechanism based on the vectorial acceleration of relativistic electrons with y= (j^/mc2)^〉l. A more detailed discussion of this and alternative mechanisms will be published separately. We shall concentrate on the class of models of "intermediate" and ...
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    Nature 223 (1969), S. 1353-1354 
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    Notes: [Auszug] This change qualifies Creer's argument and, moreover, shows that the polar wandering curve for South America was undefined in the long period between the Permian and the Middle Cretaceous. Table 1. THERMOREMANENT MAGNETIZATION OF LOWER TRIASSIC LAVAS (35 S, 68 W) (FORTY SAMPLES) Declination ...
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    Nature 223 (1969), S. 1354-1355 
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    Notes: [Auszug] Considering one half of a symmetrical model for a mid-ocean ridge, the formation of new crust by igneous activity requires the release of heat at a rate, Q^ where (?*〉 = wAp(£ + (7pAjP) andi£ is the half spreading rate, h is the thickness of the igneous material in the crust, p its ...
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    Nature 223 (1969), S. 1356-1356 
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    Notes: [Auszug] Samples from the same terrace were taken for dating by ion exchange1. Soil samples were taken at intervals of 4 inches for the first 2 feet beneath the surface and then at intervals of 1 foot to a depth of 5 feet. The samples were screened and the fine fraction (that which passed through a screen ...
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    Nature 223 (1969), S. 1356-1359 
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    Notes: [Auszug] Since collection, the cores have partially dried out and the bright coloration mentioned in the shipboard log of core 5233 is no longer apparent, the banding being domin-antly red-brown in a buff matrix of calcareous sediment (Table 1). The loss of colour since collection is tentatively attributed ...
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    Nature 223 (1969), S. 1359-1359 
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    Notes: [Auszug] The orange bands of FeO at X 6000 A have been known for many years9. More recently they have been observed in absorption in flash photolysis10 and in flash heating11. Low pressure arcs provide a better source of the bands in emission, and some of the lines of bands of a v' = 0 progression have ...
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    Nature 224 (1969), S. 844-845 
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    Notes: [Auszug] 'NITINOLS', a range of alloys approximating to the composition NiTi, have unique mechanical properties, which should make them very useful. An object made of 'Nitinol' can be deformed to an arbitrary shape, briefly heated to "fix" that shape, and then possesses a "memory". If it is straightened or ...
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    Nature 223 (1969), S. 1361-1362 
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    Notes: [Auszug] I now show that concentrated solutions or sols of oriented F-actin do in fact give a strong equatorial diffraction maximum, the position of which varies with concentration in the manner expected for an array of regularly packed, mutually repulsive cylinders. The spacing has been observed between ...
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    Nature 223 (1969), S. 1364-1365 
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    Notes: [Auszug] During a survey of the ribosome profiles of E. coli growing at various growth rates, I found a 30$, 50$ and 70$ pattern similar to that described by Kohler et al*. When, however, NaCl was substituted for KC1 in the buffer of the sucrose gradients, the amount of 70$ ...
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    Nature 224 (1969), S. 829-830 
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    Notes: [Auszug] Sir,-May I, in the interests of accuracy, make two comments on Dr Macleod's interesting article, "Private Army of Contributors", in the centenary issue of Nature (224, 445; 1969) ? (1) The statement that I "was writing a biography of Lockyer in 1927-28" may strengthen a false impression that there ...
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    Notes: [Auszug] SIR,-The current term "environmental studies" would seem to be of use as a general description of the total or some convenient grouping of parts, but, because of the considerable overlap between the various components, unification has been, and is being, pursued in order to systematize further the ...
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    Notes: [Auszug] SIR,-This year it has become fashionable to talk of human biology as one might talk of physics or philosophy, and the new school of human sciences at Oxford (see Nature, 223, 660; 1969) has encouraged some to see in it a great leap forward. I do wonder, however, what are the concrete gains to be ...
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    Notes: [Auszug] University News Dr J. O. L. King, faculty of veterinary science, has been awarded the status and title of professor at the University of Liverpool. The title of professor of urology has been conferred on Mr J. P. Blandy, in respect of his post at the London Hospital Medical College, University of ...
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    Notes: [Auszug] Monday, November 24 Factors Controlling Plasma Albumin Metabolism (4 p.m.) Dr R. Hoffen-berg, University of London, at the Royal Postgraduate Medical School, Du Cane Road, London W12. Force and Inertia in Seventeenth Century Dynamics (5.30 p.m.) Dr W. A. Gabbey, British Society for the History of ...
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    Notes: [Auszug] Prior treatment of human allograft recipients with aggregate-free normal horse immunoglobulin circumvents the problem of antibody formation in subsequent anti-lymphocytic globulin ...
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    Nature 224 (1969), S. 631-632 
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    Notes: [Auszug] THERE seems very little chance that the British medical profession and the British press will find a sensible way of safeguarding their different interests in the management of the publicity which inevitably attends operations for the transplantation of human hearts. Last week, the Press Council ...
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    Notes: [Auszug] A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE "To the solid ground of Nature trusts the mind which builds for eye."-WORDSWORTH From a review by C. Kingsley of The World of the Sea, by M. Moquin Tandon, from Nature, 1, 78, November 18, 1869. For the sake, therefore) of preserving the virtue of ...
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    Nature 224 (1969), S. 633-633 
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    Notes: [Auszug] BECAUSE the biological sciences have never been regarded as capital intensive, the grant of £200,000 which has just been awarded for biochemical engineering at University College London seems large. In relation to the cost of the equipment being used, and the possibilities which may be opened ...
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    Notes: [Auszug] THE surprising appointment of Professor Hans Leussink to the post held with such eclat by DY Gerhard Stoltenberg (CDU) in the previous West German government, together with a change of title, suggests that the new minister will have a different role from that of his predecessor and that university ...
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    Nature 224 (1969), S. 634-634 
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    Notes: [Auszug] THE prospects for a large scale British carbon fibre industry were dealt a severe blow last week. After an extensive survey of the possible market for carbon fibre, Imperial Chemical Industries Ltd has announced that it is to drop its plans for a £5 million factory to produce the material. It ...
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    Notes: [Auszug] CAMBERLEY in Surrey ought to be safe from rabies after the Ministry of Agriculture's two-day shoot of local wild life at the end of October. The hunt, intended to eliminate as far as possible any spread of infection from a dog called Fritz which died of the disease (see Nature,224, 399; 1969), ...
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    Notes: [Auszug] ALTHOUGH there was an improved performance by the British scientific instrument industry last year, the industry's research association has not done as well as was hoped when the association celebrated its golden jubilee a year ago. The annual report of the Scientific Instrument Research ...
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    Notes: [Auszug] THE United Kingdom has an import bill for fish meal and oil of more than £20 million a year, equivalent to more than one million tons of fish, and the Marine Laboratory at Aberdeen is one of the laboratories concerned to reduce this bill. In its report for 1968 (HMSO, 15s) the laboratory, ...
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    Nature 224 (1969), S. 895-895 
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    Notes: [Auszug] But when the dimensions of the reaction system become greatly enlarged, for example on the geological scale, energy dissipation for even weak detonations becomes relatively much less important1. Weak detonations are thus a definite possibility for really large masses of reacting material. Tentative ...
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    Notes: [Auszug] In this article we call attention to the polarization characteristics along particular frequency-time elements ("fine-structures"2) in a PC 1 event. The sonogram (Fig. 2) shows the event to be a normal periodically structured PC 1 event except for two conspicuous elements which extend up to higher ...
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    Nature 224 (1969), S. 899-901 
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    Notes: [Auszug] Fig. 1. Scanning electron micrographs of Globorotalia truncatulinoides and Globorotalia tosaensis in core Eltanin 21-5. Top, G. truncatulinoides from upper part of the core; middle, G. tosaensis from middle part of core; bottom, G. truncatulinoides from lower part of core. G. truncatulinoides has ...
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    Nature 224 (1969), S. 902-904 
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    Notes: [Auszug] Two contrasting patterns of surface temperature distribution can be distinguished from the ART results: one associated with active upwelling and high wind velocity (see Fig. la), and the other with quiescent conditions and moderate winds (see Fig. 16). The wind blew constantly from the southeast ...
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    Notes: [Auszug] Anderson2 has shown that for reasonably compressible materials such as quartz and cadmium the previously neglected equation originally derived by Murnaghan3 In V0/V=1/B0in[B0(P/Bo)+1] where B0 and B'0 are the ambient isothermal bulk modulus and its first pressure derivative, agrees well with ...
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    Nature 224 (1969), S. 907-908 
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    Notes: [Auszug] The theory of tunnelling across a dielectric separating two metallic films or plates is well described by Simmons2, but that between small islands where the transfer of charge can significantly effect their relative voltages is still obscure. Neugebauer and Webb describe charge transfer where some ...
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    Nature 224 (1969), S. 640-640 
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    Notes: [Auszug] A FEW months ago Bahcall, Gunn and Schmidt (Astrophys. J. Lett., 157, L77; 1969) announced that the quasi-stellar object B 264 has the same red-shift (z = 0.09) as a cluster of galaxies in which it is situated on the plane of the sky. Although they were cautious about the significance of their ...
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    Nature 224 (1969), S. 639-640 
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    Notes: [Auszug] THE annual recurrence of the Leonid meteor shower on November 17 is not expected to be anything like as impressive as in 1966, but the display could still be above average. Last year, observers in the United States and Japan reported sighting up to a hundred meteors during an hour of observing ...
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    Notes: [Auszug] ONE of the surprising turns taken by astronomy in the past year has been the way the study of the constituents of interstellar space has become almost overnight as much the province of the chemist as of the astronomer. The particular problem is the nature of the interstellar material?gas and ...
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    Nature 224 (1969), S. 641-641 
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    Notes: [Auszug] THE traditional image of prisoners sewing mail bags in Her Majesty's prison workshops will be transformed by the news that four prisoners at Arundel open prison are now punching geomagnetic data on computer cards. This is part of an international scheme for putting into machine readable form all ...
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    Notes: [Auszug] GLASSES, like liquids, have long been viewed askance by physicists because they are so resistant to theoretical treatment. But now there is a search for more sophisticated statistical models for the disordered, "amorphous" structure of glasses. An important step in refining the structure of pure ...
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    Nature 223 (1969), S. 1388-1388 
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    Notes: [Auszug] Fig. 1. Plasma ammo-acids. 1, Phenylketonuria (Ph, phenylalanine): 2, normal plasma; 3, tyrosinosis (T, tyrosine; M, methionine); 4, marker (Y, yellow; 0, orange; It, red). We cut against the "grain" two plates (10x20 cm) from the 20 cm square layers supplied. .(Solvent flow with the grain is 20 ...
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    Notes: [Auszug] I AM sure that most people will agree that the most important advance in our understanding of biology in the first half of the sixties was the solution of the genetic code. How this was achieved is the subject of Dr M. Ycas's monograph. But it was in the early days of coding, the 1950s, that the ...
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    Notes: [Auszug] FROM the time of discovery to the present day, American Indians have exercised a strong influence over our minds and imaginations. The appeal of the Wild West begins with playing cowboys and Indians, but goes on to Westerns and thrillers on television. The many facets of their cultures have added ...
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    Nature 224 (1969), S. 643-644 
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    Notes: [Auszug] BIOCHEMISTRY grew up with some picturesque names for the enzymes?"old yellow enzyme", "Zwischen-ferment", and so on?but names that were satisfactory in the days of Warburg are not necessarily acceptable today. The picturesque has had to make way for a colourless and systematic codification of ...
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    Nature 223 (1969), S. 1391-1391 
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    Notes: [Auszug] THE birds of paradise and bower birds are two closely related families, evidently evolved in the Papuan sub-region of the great Australasian zoogeographical area. They are close relatives of the crows and probably developed in the first place from rather starling-like ancestors. They are of quite ...
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    Nature 224 (1969), S. 925-925 
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    Notes: [Auszug] THIS book is concerned with the application of methods of matrix calculus to the solution of problems in discontinuous systems and so covers an aspect of control theory which is often neglected in modern texts. The first chapter is meant as an introduction to control and describes in detail the ...
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    Nature 224 (1969), S. 926-926 
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    Notes: [Auszug] ONE of the major developments in organic chemistry in recent years has been a concentrated study of reactive intermediates, both actual and potential. After a first generation of radicals, carbonium ions and carbanions prominent among the second generation of reactive intermediates are carbenes, ...
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    Notes: [Auszug] WHAT makes Professor Smyth's books so readable is that he does not forget the parasite when discussing its physiology and biochemistry. To paraphrase Edward Reinhard: when the physiology of tapeworms is stripped of its host/parasite background it becomes dull, without face, voice or spirit. Its ...
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    Notes: [Auszug] THE rapid publication of important pharmacological results is becoming increasingly difficult and sometimes many months elapse before a paper appears in print. This new journal represents an attempt to fill the gap and at present this appears to be highly successful in these two parts of volume ...
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    Notes: [Auszug] VALENTIN ALEKSEEVICH KARGIN, who died on October 21, aged sixty-three, was a colloid and polymer chemist with a high reputation all over the world. He was born on January 23, 1907, in Dnepropetrovsk, and began his active scientific career at the age of fifteen, publishing several papers on ...
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    Notes: [Auszug] SIR,-In the note "Enzymes at Houston" (Nature, 223, 336; 1969), you wrote that "the mood of practising doctors in Britain seems to be running somewhat against enzyme assays just now, at any rate for purposes such as the diagnosis of myocardial infarction". This is not correct. Assays of enzymes, ...
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    Notes: [Auszug] SIR,-I would like to refer to the article "Few Leonids Expected" (Nature, 224, 639; 1969). I had the wonderful experience of observing the Leonid meteor shower in November 1933 at Ste Radegonde near Tours, France, from the terrace of the Chateau de Chatenay. This was destroyed during the war, but ...
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    Notes: [Auszug] University News Professor A. M. Gleason has been appointed the Hollis professor of mathematics and natural philosophy at Harvard University. He succeeds Professor J. H. van Vleck, who has retired. Professor F. M. Carpenter has been appointed the Fisher professor of natural history at Harvard ...
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    Notes: [Auszug] In the article "Distribution and Temperature of Interstellar Electron Gas" by A. H. Bridle and V. II. Venugopal (Nature, 224, 545; 1969), in line 44 for " 〈 R 〉 = 0. 011±0. 03" read "〈 R 〉 =0. 11 ±0. 03". In line 70, for ?? (10) = 0. 010 ±0.02" read " ? (10) = 0-10 ...
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    Notes: [Auszug] We regret that in the article "Placenta Critics Placated" (Nature, 224, 747; 1969) the name of Dr W. D. Billington was in several instances misspelt as Billingham. We apologize to him for the ...
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    Nature 224 (1969), S. 737-738 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A GOOD deal of skirmishing will certainly take place at Helsinki before the talks on the limitation of strategic weapons become serious. Both the United States and the Soviet Union are understandably nervous at em barking on what is plainly the most momentous step towards arms control since the ...
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    Nature 224 (1969), S. 659-663 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Chromosome motion during mitosis can be explained by combining the facts available about the equilibrium between the mitotic spindle and its subunits with the postulate that the recently described cross-bridges between spindle microtubules are capable of sliding adjacent tubules over one ...
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    Nature 224 (1969), S. 739-739 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE view that the British process plant industry should be organized in larger units is the dominating theme of the report of the expert committee which has been investigating the industry for the Ministry of Tech nology (HMSO, 3s d). The report was promptly blessed by Mr Anthony Wedgwood Benn, the ...
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    Nature 224 (1969), S. 739-740 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE decision by the French Government last week to confirm its earlier commitment to the CERN 300 GeV accelerator makes it almost certain that the council of CERN will finally decide to go ahead with the project when it next meets on December 18. French participation had been cast in doubt by the ...
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    Nature 224 (1969), S. 741-742 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A MOTLEY gathering including lawyers, scientists, patent agents and commercial executives attended a conference on the legal protection of computer programs at Brighton on November 13 and 14. They heard from Dr A. S. Douglas (London School of Economics) that the "unbundling" of software from ...
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    Nature 224 (1969), S. 742-742 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Beecham Group's growing interest in pharma-ceuticals other than antibiotics has found a new home in a Medicinal Research Centre at Harlow, officially opened on November 11 by Professor Sir Charles Dodds. By his account, the group's research will in future include the development of psychiatric ...
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    Nature 224 (1969), S. 744-745 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHAT follows is an account of an informal exchange of views at the Royal Society on November 14. Stimulated by the arrival of the first lunar samples a few weeks ago, people are debating whether the arrangements for planetary science in Britain are satisfactory. Are British scientists doing enough ...
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    Nature 224 (1969), S. 745-745 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE. " To the solid ground 0; Nature trusts the mind which builds for aye."?WORDSWORTH. Ethnological Society, Nov. 23.?Prof. Huxley, F.R.S., President, in the chair.?Dr. G. W. Leitner gave an account of his visit in 1866 to Ladak, Little Tibet, Kashmere, and ...
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    Nature 224 (1969), S. 747-748 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE literature of molecular biology in the past five years is an impressive demonstration of the increasing sophistication of the tricks which can now be played. On page 768 of this issue of Nature, Beckwith's group at Harvard report another technical tour de force, the isolation of a structural ...
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    Nature 224 (1969), S. 749-750 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE attractions of biochemistry and rodents seem to be dominating evolutionary studies of mammals at the moment. This at least was the impression to be gained at the symposium on variation in mammalian populations held by the Mammal Society and the Zoological Society in London on November 14 and ...
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    Nature 224 (1969), S. 750-750 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ARE cover to cover translations of Russian geophysical journals necessary, or even useful ? The question needs to be asked because the American Geophysical Union (AGU) has announced that its translation programme is likely to be in financial difficulty in the near future. The union now publishes ...
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    Nature 224 (1969), S. 759-763 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A new model for transfer ribonucleic acid seems to explain the available experimental evidence better than do the models proposed ...
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    Nature 224 (1969), S. 751-751 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AN analysis of optical plates obtained with the 48 inch Schmidt telescope at Palomar Mountain and studied by A. Braccesi and L. Formiggini of the National Radio Astronomy Laboratory in Bologna suggests that the time scale of the optical evolution of quasi-stellar objects is consistent with the time ...
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