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  • Nature Publishing Group  (39,315)
  • MDPI Publishing
  • 1970-1974  (19,444)
  • 1955-1959  (19,871)
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  • 1
    Electronic Resource
    Electronic Resource
    [News & Views ‘picture story’] (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 193-193 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Painted panels from the ceiling of the Natural History Museum, London. According to The British Architect and Northern Engineer of June 1878 "the chief idea . . . . is that of growth". Left to right: Scots pine Pinus sylvestris peach Amygdalus persica cacao Theobroma cacao; English oak Quercus ...
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    URL: http://dx.doi.org/10.1038/252193b0
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  • 2
    Electronic Resource
    Electronic Resource
    Relationships between sealevels, 18 O variations and orbital perturbations, during the past 250,000 years (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 199-202 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sealevel changes over the past 250,000 yr, determined from dated coral reefs on rising islands, are synchronous with precessional changes in solar radiation when orbital eccentricity is large. Oxygen isotope variations in deep-sea cores correspond in timing but not in amplitude, reflecting changing ...
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    URL: http://dx.doi.org/10.1038/252199a0
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  • 3
    Electronic Resource
    Electronic Resource
    Change of pulse characteristics of the Vela pulsar with frequency (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 210-212 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Average 'total intensity' profiles measured at 4,830 MHz. Each profile is the sum of two integrations at orthogonal position angles of the feed. At each position angle 500 pulses were superposed. The times are Eastern Australian Standard Time on November 8, 1972. Details of the radio ...
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    URL: http://dx.doi.org/10.1038/252210a0
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  • 4
    Electronic Resource
    Electronic Resource
    New extragalactic variable sources from an 8-GHz survey (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 212-214 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We observed every 8-GHz survey source less than 1' in diameter that would not be significantly confused using the 4.7' resolution of the 300-foot telescope at 2.7 GHz. A three-feed system was used to determine declination pointing corrections at every source transit, so that flux densities could be ...
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    URL: http://dx.doi.org/10.1038/252212a0
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  • 5
    Electronic Resource
    Electronic Resource
    New type of smectic mesophase? (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 221-222 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The X-ray diffraction photographs of the smectic phases of the two biphenyls are similar and are of a novel type. They both consist of a sharp inner reflection and two diffuse outer reflections as shown in Fig. 1. All smectic phases previously studied have given X-ray diffraction patterns which ...
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  • 6
    Electronic Resource
    Electronic Resource
    Orientation perception by children (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 222-223 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It follows from such a view that even oblique lines ought to be discriminated correctly by young children when the task is a simultaneous discrimination situation. In such a situation the standard is presented together with the choice cards, so that, according to the match?mismatch hypothesis, the ...
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    URL: http://dx.doi.org/10.1038/252222a0
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  • 7
    Electronic Resource
    Electronic Resource
    Origin of Nicotiana tabacum L. detected by polypeptide composition of Fraction I protein (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 226-227 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Polypeptide composition of Fraction I proteins from N. tabacum and the putative progenitor species. Crystalline Fraction I protein was dissolved in 8 M urea-0.5 M Tris-HCl, pH 8.5 and reduced by the addition of dithiothreitol. The protein was S-carboxymethylated by the addition of iodoacetic ...
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  • 8
    Electronic Resource
    Electronic Resource
    Luteinising hormone and testosterone in man (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 232-233 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Eight healthy men aged between 24 and 29 yr were recruited. Blood samples were collected at intervals of 10?40 min using an indwelling needle inserted into a forearm vein. The trials lasted 6?7 h starting at about 1700h and only two or three subjects were studied in any one evening. After a meal ...
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  • 9
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    Electronic Resource
    Dopamine 3-O-sulphate, an end product of L-dopa metabolism in Parkinson patients (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 237-238 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The administration of 14C-labelled L -dopa to normal people is followed by the excretion of sulphoconjugates of dopamine in the urine3 and Parkinson patients on high oral doses of L -dopa have been shown to excrete up to 80% of the amine in this form4?6. It therefore seems that sulphoconjugation ...
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  • 10
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    Displacement of bound 14 C-fluphenazine by biogenic amines and antipsychotic drugs in homogenates of brain tissue (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 238-241 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] 14C-fluphenazine (4-[3-14C-3-(2-trifluoromethyl) phenothiazin-10-yl) propylH-piperazine ethanol, dihydrochloride, 2.4 mCi mol?1) was synthesised by F. Dondzila (Chemical Development Department, Squibb Institute) by first reacting 1-chloropropyl-3-14C-bromide (3 mCi mmol?1, New England Nuclear ...
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  • 11
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    Reaction of human smooth muscle antibodies with human blood lymphocytes and lymphoid cell lines (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 246-247 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Lymphocytes were purified from defibrinated blood by gelatin sedimentation. Phagocytic cells were removed with iron powder and erythrocytes lysed by 0.83% NH4Cl solution. After washing in saline the lymphocytes were cultured with or without the addition of phytohaemagglutinin (PHA) (Burroughs ...
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  • 12
    Electronic Resource
    Electronic Resource
    Differences in the effects of adult thymectomy on T-cell mediated responses in vitro (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 252-254 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] These early changes in the T-cell functions following ATX have been taken to indicate the existence of a newly formed, shortlived T lymphocyte population in the spleen regulated by the intact thymus either through a continuous cell traffic from the thymus or through the action of a thymic hormone7. ...
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  • 13
    Electronic Resource
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    Initiation of polyphenylalanine synthesis and the action of cytokinins in fenugreek cotyledons (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 257-259 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Isolated cotyledons of fenugreek (Trigonella foenum-graecum L.) respond to cytokinins1 and it has become evident that at an early stage the growth response in darkness is dependent on protein synthesis. It has been shown that cytokinin treatment of cotyledons increases the activity of the ribosome ...
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  • 14
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    Support for Trieste (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 87-87 
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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 International Centre for Theoretical Physics in Trieste was established in the early sixties in order to provide a base to which young competent theoretical physicists from developing countries could go occasionally for intellectual exchanges and advanced research. An extensive report on the ...
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  • 15
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    Rhodesia rules (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 90-90 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] "THE University [of Rhodesia] has been exempted by the British Government and others from sanctions." So runs the last sentence of a sheet describing Salisbury, its university and the chair of biochemistry which was being advertised recently. What does this mean in practice? One of our readers ...
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  • 16
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    Washington seen (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 91-91 
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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 abrupt departure last week of Dr John Sawhill as head of the Federal Energy Administration (FEA) came as no surprise to those who have been keeping track of the jockeying for power and political backstabbing which has characterised energy planning in the United States for the past 18 months. ...
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  • 17
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    Sitting Bull? (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 93-93 
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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?I was startled to read (Nature, 251, xviii; 1974) that Colorado State University is encouraging 'ethnic minorities and women" to apply for the position of Chairperson in its Statistics Department. I reject as highly improbable the implicit assumption that ethnic minorities necessarily consist ...
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  • 18
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    Micrometeoroid density from lunar craters (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 94-95 
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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 Solar System not only contains planets, moons, asteroids, comets, meteorites and meteorids but also a plethora of smaller particles known as miicrometeoroids. These are so small that they do not burn out when they enter the Earth's atmosphere but are gently retarded by momentum transfer to the ...
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  • 19
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    The linear differentiation of chromosomes (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 95-97 
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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] FROM the first description of an induced differential staining of plant chromosomes following cold treatment (Darlington and La Cour, J. Genet., 40, 185; 1940) twenty-eight years were to elapse before Caspersson and his colleagues (Expl Cell Res., 49, 219; 1968) showed that chromosomes treated with ...
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  • 20
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    Glassy alloys (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 100-100 
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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] SINCE times prehistoric, metallurgists have quenched iron or steel in water to harden them. Nowadays they know that the hardness is linked to the presence of a metastable crystal form, containing more carbon in solution than iron should at ambient temperature. This crystal form, martensite, has ...
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  • 21
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    Redshifts of Markaryan galaxies (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 110-111 
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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 Distribution of the redshifts of Markaryan galaxies. I present here a preliminary survey of the data which consist of 394 redshifts8?15 (z〈0.08) of which 90, 92, 65, and 147 are for s, sd, ds, and d objects, respectively. The measurements of Ulrich13 and Sargent14 were preferred. The ...
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  • 22
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    Effect of temperature on recombination luminescence and electron tunnelling (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 118-119 
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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] Electron stabilisation occurs in deep intermolecular traps (2?3 eV) during low-temperature radiolysis of polar glasses1. After y irradiation, at 77 K, of aqueous alkaline glasses containing efficient electron scavengers (NO2?, NO3?, Fe(CN)63?), a long range electron transfer occurred, apparently by ...
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  • 23
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    Feature processing in the perception and production of speech (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 121-123 
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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] Subjects were instructed to utter a given consonant + vowel syllable immediately after listening to repetitions of a selected adapting syllable. The utterances were analysed to determine whether a feature of the waveforms systematically varied as a function of perceptual adaptation. We concentrated ...
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  • 24
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    All parasense (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 129-130 
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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] Aldous Huxley: A Biography Vol. 2: 1939–1963. By Sybille Bedford. Published by Pp. xii + 378 + 15 photographs. (Chatto and Windus, in association with Collins: London, 1974.) £4.50. THE prefix 'para?', says the OED, means "beside, beyond, wrong, irregular". Excellent?just ...
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  • 25
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    [Book Review Supplement ‘picture story’] (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 131-131 
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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] Ernst Mach (sporting a splendid moustache) lying on his back and sketching the outside world as it presents itself to his left eye. From Logic, Labels, and Flesh. By Stefan Themerrson. Pp. 202. (Gaberbocchus: London, July 1974.) £3.60 boards; £2.40 ...
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  • 26
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    [Book Review Supplement ‘picture story’] (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 134-134 
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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] Hare-headed divinity of ancient Egypt on the coffin of Bakenmut, 21st dynasty. From The Leaping Hare. By G. E. Evans and D. Thomson. Pp. 262 + 24 photographs. (Faber: London, October 1974.) Paper, ...
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  • 27
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    … and for arts students (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 135-136 
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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] Concepts of Contemporary Astronomy . By Paul W. Hodge. Pp. viii+547. (McGraw-Hill: New York, 1974.) $9.95; £5.45. Fundamental Astronony . By Franklyn W. Cole. Pp. xiiiix+476. (Wiley: New York, 1974.) £5.30. WITH deafening regularity new books on astronomy hit the ...
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  • 28
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    Model methods (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 137-137 
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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] Analytical Methods in Planetary Boundary-Layer Modelling . By R. A. Brown. Pp. xii+148+5 plates. (Adam Hillger: London, June 1974.) £8.00. THE scope of this book is narrower than one might guess from the title. It deals primarily with a restricted topic in the theory of the ...
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  • 29
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    Nuclear structure (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 140-141 
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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] Theoretical Nuclear Physics. Vol. 1: Nuclear Structure . By Amos de Shalit and Herman Feshbach. Pp. xxviii+979. (Wiley: New York and London, June 1974.) £14.60. THE appearance of this volume is a notable event for nuclear physicists and yet another reminder of the loss to the ...
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    Denial of quantum physics (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 141-142 
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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 Interpretation of Quantum Mechanics . By Michael Audi. Pp. xiv+200. (University of Chicago: Chicago and London, 1973.) £5.75. THE main purpose of this book is to show that the classical conception of a particle, particularly the attribution of simultaneous position and momentum to ...
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  • 31
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    Molecular chemistry (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 142-142 
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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] Internal Rotation in Molecules . Edited by W. J. Orville-Thomas, Pp. xvii+606. (Wiley-Interscience: New York, 1974.) £13.50. THE last thirty years have seen considerable activity in the study of internal rotation and related ring puckering motions in molecules. Orville-Thomas' ...
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  • 32
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    Connective issues (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 143-143 
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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 structure and Biochemistry of Cartilage . By A. Serafini-Fracassini and J. W. Smith. Pp. vii+236. (Churchill Livingston: Edinburgh and London, 1974.) £8.00. THIS book is a very readable account of the biochemistry of connective tissue components, and of the structure and ...
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  • 33
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    Primates: swinging through the trees … (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 144-144 
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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] Primate Locomotion . Edited by Farish A. Jenkins, jun.. Pp. xii+390. (Academic: New York and London, January 1974.) $34.00; £16.30. THE disadvantages of the current tendency to publish compilations of invited articles on specialised subjects are numerous. Though books of this ...
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    … and adapting to other situations (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 144-144 
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    Notes: [Auszug] The St Kitts Vervet . By Michael McGuire. (Contributions to Primatology. Vol.1). Pp. xi+202. (S. Karger: Basel, London and New York, 1974.) Sfr 56; £8.10; $17.40. VERVET monkeys were introduced to St Kitts, probably from West Africa, in the latter part of the seventeenth ...
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    Living with cosmic rays (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 145-145 
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    Notes: [Auszug] Space Radiation Biology and Related Topics . By Tobias and Todd. Pp. xvi+648. (Academic, subsidiary of Harcourt Brace Jovanovich: New York and London, May 1974.) £15.85. IT is perhaps surprising to see the publication of this volume now when support for space research is declining. It ...
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    [Book Review Supplement ‘picture story’] (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 146-146 
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    Notes: [Auszug] The shovelnose sturgeon, Scaphirhynchus platorynchus, (above), and the slimy sculpin, Cottus cognatus. From Northern Fishes; third edition. By Samuel Eddy and James C. Underbill. Pp. xix + 414. (University of Minnesota: Minneapolis; Oxford University: London, OctO'ber 1974.) ...
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    What is biological control? (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 147-147 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Biological Control of Plant Pathogens . By K. F. Baker and R. J. Cook. Pp. xiv+433. (Freeman: San Francisco, 1974.) $12.50. THE authors of this book admit that writing it was a "mind-stretching" exercise; many readers may think that the effort has somewhat distended their subject. ...
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    Of mites and models (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 147-148 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Functional Response to Prey Density in an Acarine System. (Simulation Monographs.) By H. G. Fransz. Pp. viii+143. (Centre for Agricultural Publishing and Documentation: Wageningen, 1974.) Dfl.20. DURING the last few years ecological theory seems to have outpaced the collection of ...
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    Drugs and toxins (1974)
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    Nature 252 (1974), S. 148-148 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Chemistry, Metabolism of Drugs and Toxins: An introduction to Xenobiochemistry . By Michael and Maxine Briggs. Pp. xii+386. (Heinemann Medical: London, June 1974.) £5.00. THIS pot-pourri of data from chemistry, biochemistry, biochemical pharmacology, pharmacology and toxicology is ...
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    Cyclic expression of a growth conditioning factor (MGF) on the cell surface (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 151-153 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Peritoneal macrophages can be maintained in vitro but do not proliferate; they can, however, be induced to synthesise DNA and divide in medium conditioned by cells of the same species12-14. In our system medium conditioned by L cells in logarithmic growth was used and tested on macrophages ...
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    An electrophysiological study of the hippocampus of the ‘reeler’ mutant mouse (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 153-155 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Here we report evidence which suggests that there is a high safety factor in the developmental processes responsible for ensuring orderly synaptic organisation. Despite the cellular disarray in the hippocampus of the homozygous reeler, the resultant synaptic organisation as revealed by ...
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    Regulation of catecholamine synthesis in the rat brain in vitro by cyclic AMP (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 156-158 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recent experimental evidence demonstrates that dibutyryl cyclic AMP can increase the formation of dopamine from labelled tyrosine when incubated with brain slices9 or synaptosomes10,11 prepared from the corpus striatum. We report here, a stimulation of tyrosine hydroxylase activity in rat?brain ...
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    Different spike mechanisms in axon and soma of molluscan neurone (1974)
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    Nature 252 (1974), S. 155-156 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] In none of these studies, however, were action potentials recorded with intracellular electrodes in the axon at a large distance from the cell soma. We have been able to record from the axon of the right giant (R2) cell in the visceral ganglion of Aplysia at a distance of 3?4 cm from the soma. Our ...
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    Information transmission under conditions of sensory shielding (1974)
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    Nature 251 (1974), S. 602-607 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have investigated the ability of certain people to describe graphical material or remote scenes shielded against ordinary perception. In addition, we performed pilot studies to determine if electroencephalographic (EEG) recordings might indicate perception of remote happenings even in the ...
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    Liposomes can mimic virus membranes (1974)
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    Nature 252 (1974), S. 161-163 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We set out to do this with respect to the membrane associated activities exhibited by many of the enveloped viruses. As the model virus, we used a modification of what has been described as a lipid dispersion, lipid vesicles, or liposomes, that is, single or multiple concentric shells of lipid ...
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    Sickle cell resistance to in vivo hypoxia (1974)
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    Nature 251 (1974), S. 620-621 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Application of this animal system to the study of human sickle cell anaemia erythroctyes (sickle cells) has verified many of their known survival characteristics in man5-7. These include a short intravascular survival, an improved survival with in vivo hyperoxygenation and an improved survival ...
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    Radiological mapping of the ribosomal RNA transcription unit in E. coli (1974)
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    Nature 251 (1974), S. 639-641 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] The ultraviolet light technique for mapping transcriptional linkage is based on the observation that certain lesions induced in DNA by ultraviolet light cause premature termination of transcription at the site of the lesion and that no reinitiation occurs beyond the lesion up to the next ...
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    Friend virus release and induction of haemoglobin synthesis in erythroleukaemic cells respond differently to interferon (1974)
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    Nature 251 (1974), S. 642-644 
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    Notes: [Auszug] Fig. 1 Effect of interferon on Friend virus synthesis in unstimulated FSD1/F4 cells. Mouse interferon was prepared by the infection of L-929 cells with Newcastle disease virus (NDV-California strain). Cell supernatants were dialysed against 0.1 M glycin?HC1 buffer (pH 2.0) for 5 d and further ...
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    Significance of immunofluorescent staining of lymphocytes with antisera to IgM immunoglobulins (1974)
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    Nature 251 (1974), S. 652-654 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Various means have been devised to prove this point primarily by using high resolution optical devices5 or specific antisera6. Although antisera to IgM immunoglobulins bind specifically to structures on the surface of lymphocytes, in only two cases to our knowledge have IgM immunoglobulins been ...
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    Cell culture pharmacology (1974)
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    Nature 251 (1974), S. 465-466 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE action of drugs on cultured vertebrate cells was the subject of the autumn meeting of the British Society for Cell Biology, held at the University of Strathclyde, Glasgow, on September 19 and 20, 1974. Most of the experiments described had one of four main objectsto increase knowledge of the ...
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    Shades of meaning (1974)
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    Nature 251 (1974), S. 468-468 
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    Notes: [Auszug] Male quagga in Naturhistorisches Museum, Mainz on left; Burchells zebra (type of E. quagga paucistratus) on right. THE quaggy, Equus quagga quagga, no longer roams the Cape Colony having succumbed to the hunters gun in the nineteenth century. The last quagga died in the Amsterdam Zoo in 1883, but ...
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    Implications of heat flow for metallogenesis in the Bauer Deep (1974)
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    Nature 251 (1974), S. 473-475 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Bauer Deep, in the south-eastern equatorial Pacific, is the only deep ocean basin so far known to be characterised by metalliferous sediments throughout the depositional column. The basin was formed when the eastern Pacific spreading centre jumped from the now fossil Galapagos Rise to the newly ...
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    Possible explanations of the ‘high’ number of counts in the solar neutrino experiment (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 488-489 
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    Notes: [Auszug] Fig. 1 Results of the solar v experiment, after Evans et al.1. The errors on individual run rates (open circles) quoted for Run 27 come from the present work, the rest from ref. 1. The mean values are those derived by us. Several methods have been adopted to determine the rate R: I, the maximum ...
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    Evidence of precursive compression for two deep earthquakes (1974)
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    Nature 252 (1974), S. 28-29 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Dziewonski and Gilbert used the 'stacking and stripping' procedure4?6 to construct Fourier transforms of time derivatives of the source time functions. That technique is applicable only at very long periods; as periods become shorter, lateral variations in dispersion become important. Dziewonski ...
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    Evidence of precursive compression for two deep earthquakes (reply) (1974)
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    Nature 252 (1974), S. 29-29 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] If g(?) is the Fourier transform of f(t), then g(??) is the Fourier transform of f(? t). If g(?)=g(??) then f(t)= f(? t). If g(?) is an even function of frequency then f(t) is an even function of time. If f(t) is an even function of time it is precursive. The experimental evidence for the isotropic ...
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    Correlation of strain and velocity during dilatancy (1974)
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    Nature 252 (1974), S. 30-31 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Here we correlate spatial variations in compressional velocity with spatial variations in strain over the extended time interval required for the rock to fail under constant stress. A right circular cylinder of Westerly granite was statically loaded in uniaxial compression and velocity observed ...
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    Tholeiite, alkali basalt and ascent velocity (1974)
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    Nature 252 (1974), S. 31-32 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Engel et all concluded that the great majority of rocks from the ocean floor were tholeiitic basalts, and that the occurrence of oceanic alkali basalts was restricted to the tops of volcanic islands and sea mounts This generalisation is 'still largely valid, though, apparently, a greater variety of ...
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    Ubiquitous trisulphur radical ion S 3 − · (1974)
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    Nature 252 (1974), S. 32-33 
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    Notes: [Auszug] A blue colour develops when sulphur is heated with water and traces of some basic salt2'3. Blue solutions are also formed by sulphur in alkali halide melts4, in liquid potassium thiocyanate above 300 C (refs 5 and 6), by alkali polysulphides in basic solvents7?12, by electrochemical reduction of S8 ...
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    Laser-induced orientation in macromolecular suspensions (1974)
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    Nature 252 (1974), S. 33-34 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Birefringence induced in Bentonite sols, at a wavelength of 488 nm. a, Laser-induced birefringence response; b, YAG laser (?=1.06 mm) 'fixed Q' Pulse of approximately 8 kW maximum power; c, electrically induced birefringence response; d, a direct current electric pulse, of amplitude 31 V ...
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    Evidence for two mechanisms of sclerotisation in insect cuticle (1974)
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    Nature 251 (1974), S. 507-508 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During a study of cuticle sclerotisation I have obtained evidence which confirms an earlier suggestion7 that two mechanisms for forming cross links exist in insect cuticle, one giving a colourless cuticle and the other a dark brown cuticle. Both mechanisms can be active simultaneously in the same ...
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    Measurements of K, Rb, U, Sr and Pb in diamonds containing inclusions (1974)
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    Nature 252 (1974), S. 35-37 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Here we report preliminary measurements of the K, Rb, Sr, U and Pb concentrations in diamonds. As far as we know the only other reported measurements are by Fesq et al.1 who used instrumental neutron activation analysis to determine the concentrations of Sr, Rb and K. They found that these elements ...
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    Skull of Palaechthon nacimienti (1974)
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    Nature 252 (1974), S. 37-38 
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    Notes: [Auszug] The skull is unevenly crushed in the dorsoventral plane and lacks the zygomata and the anterior extremity of the rostrum. Its caudal end is missing, including the greater portion of the petrosals and basioccipital, the occipital condyles and foramen magnum, and the corresponding portions of the ...
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    ADP binding to relaxed scallop myofibrils (1974)
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    Nature 252 (1974), S. 38-39 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The mechanism of the myosin ATPase in vertebrate muscle, in which regulation is thin filament-linked, has been widely studied. Myosin rapidly binds and hydrolyses ATP to form a myosin-ADP.P1 intermediate9'10. The breakdown of this complex is the rate limiting step of hydrolysisii and actin ...
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    In vitro activity of cells from genetically lethal embryos of Drosophila (1974)
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    Nature 252 (1974), S. 40-41 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Deep orange (dor) is an X-linked (1?0.3) recessive mutant of D melanogaster3. In addition to an alteration in pteridine pigments of the eye4, dor causes a peculiar type of sterility3?6. When dor females are mated to dor males, all offspring die during the course of embryonic development. When ...
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    Do immunologically privileged sites require a functioning spleen? (1974)
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    Nature 251 (1974), S. 553-554 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To determine the status of a lymphatic drainage route from the AC, we used a local graft-versus-host lymph node assay. Lymph node cells from Fischer rats specifically sensitised to tissue antigens of DA strain rats were inoculated into either the AC or the subconjunctival space (SCS) of (F x DA)F1 ...
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    Evolution of populations (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 556-556 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROFESSOR MATHER?S latest book is a survey of topics in population genetics, intended for advanced undergraduate and postgraduate students seeking a general orientation. The subject is the way in which proportions of genetic types change from generation to generation in response to various factors, ...
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    Natural death (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 557-557 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN recent years, increasing concern at the possible pollution of the environment by chemical pesticides has directed attention back to studies of non-chemical methods of pest control. Before DDT and other efficient synthetic insecticides were brought into general use in the 1940s, control of pests ...
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    Corrigendum (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 558-558 
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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 ?Exchange of neuro-transmitter amino acid at nerve endings can stimulate high affinity uptake? by G. Levi and M. Raiteri (Nature, 250, 735; 1974) the sentence at lines 21?22, p. 737 should read: Net uptake, which may or may not have a high affinity component . . ...
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    Glucose accumulation by rat small intestine during absorption in vivo (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 512-513 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] About 20 cm of jejunum from male Wistar rats (200?250 g) was exposed under ether anaesthesia, and the lumen gently rinsed with 10 ml ice cold 0.9%. NaCl. The segment was cannulated and the lumen perfused, in situ (that is, with intact mesentery), with Krebs-Ringer bicarbonate medium, in a gas lift, ...
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    TRH potentiates behavioural changes following increased brain 5-hydroxytryptamine accumulation in rats (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 524-526 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recently a report5 has suggested that thyrotrophin releasing hormone (TRH) produced a rapid, though transient, improvement in depression when given intravenously. Because the combination of tryptophan plus a monoamine oxidase inhibitor has antidepressant properties6 and because reserpine7 and ...
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    Quantitation of adrenaline in rat brain nuclei and areas by mass fragmentography (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 530-531 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In our preliminary experiments, 15 brain nuclei were dissected and assayed for their catecholamine content. Male rats (125?175 g) were killed by cervical fracture and the brain rapidly removed and frozen in powdered dry ice. The frozen brains were serially sectioned (400 µm, knife angle 30 to ...
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    Adaptations of plants to drought (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 380-380 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE C4 dicarboxyl acid pathway of carbon fixation has now been recognised in a wide variety of plant species from at least six orders of flowering plants. In this process CO2 combines with phosphoenolpyruvate and is transported to the bundle sheath cells in the form of dicarboxylic acids, where it ...
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    Pronounced antiviral activity of human interferon on bovine and porcine cells (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 543-545 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The origins of the interferon preparations and the cells used in their assay are presented in Table 1. Several interferon preparations were prepared in our laboratory and standard techniques were used to eliminate residual inducing virus. All cells were cultivated in Eagle?s medium with 10% calf or ...
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    Dangers of lead (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 557-557 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE authors define sub-clinical lead poisoning as the production of morbidity or mortality without the appearance of the classical signs or symptoms of lead poisoning. This is a highly emotive subject and (the authors are to be congratulated for dealing with it in a balanced and scientific manner. ...
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    Announcements (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 558-558 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Miscellaneous United States Public Health Service International Postdoctoral Research Fellowships. Up to six awards may be made to Australians for research training in ?health-related? fields in the USA. Applications to the Executive Secretary, Australian Academy of Sciences, PO Box 216, Civic ...
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    Business: problems for Ferranti (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 369-369 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ANOTHER British company, the electrical and electronics group Ferranti which makes a wide range of things from naval and aviation electronic equipment to the humble domestic electricity meter, is short of money and has persuaded the government to help out. Looking on the gloomy side and assuming ...
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    Washington seen (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 372-372 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE US Atomic Energy Commission has run into yet another snag with its liquid metal fast breeder reactor (LMFBR) programme. The commission has now acknowledged what has been rumoured for some months?the estimated cost of building and operating a demonstration LMFBR has increased by 250% in two ...
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    Spatial ability, throwing accuracy and man's hunting heritage (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 410-412 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Moreover, this is an interesting focus for anthropological research because the existence of an X-linked behavioural trait in the present would constitute independent evidence for a sexual division of labour during the 99 % of human history that men have been hunters. Certainly, directional ...
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    Inhibition of cell growth by oxygenated derivatives of cholesterol (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 419-421 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We now report that prolonged incubation of L cells with the inhibitory steroids diminishes the concentration of cellular desmosterol, results in the reduction or cessation of the growth of the culture, and creates a requirement for an external supply of an appropriate sterol or for a sterol ...
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    Asbestos induces selective release of lysosomal enzymes from mononuclear phagocytes (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 423-425 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It as accepted that the initial event after inhalation of toxic particules such as asbestos is their attachment to and often phagocytosis by mononuclear phagocytes (MP) in the pulmonary alveoli4. As we consider that MP play a central role in the generation of chronic inflammatory lesions5, we have ...
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    Effect of prostaglandins E 1 , E 2 and F 2α on human blood coagulation (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 430-431 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The prostaglandins, dissolved in absolute ethanol, were added to samples of the plasma to give a final concentration of 1, 10 and 100 ng ml?1. Each 0.1 ml of plasma contained the equivalent of 1.0 ng of ethanol, which was added to similar samples of plasma during control runs of coagulation tests. ...
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    Control of translation of globin mRNA in embryonic cells (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 436-437 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Rabbit or mouse globin mRNA is translated into globin when injected into fertilised frog eggs4?6, which differ in several respects from oocytes. Mouse mRNA yields a low, although somewhat variable, ratio of a to ? globin synthesis in eggs and embryos of all stages (Table 1), as it does in oocytes ...
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    Ethnicity is a significant factor in the epidemiology of rubella and Hodgkin's disease (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 441-442 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Our recent study (unpublished) of 61 Caucasians (28 males) with congenital rubella revealed an increased incidence of HL-A antigens 1 and 8 (HL-A1 : c2 = 9.57, P corrected for 25 comparisons (Pc) 〈 0.05; HL-A8: c2=4.40, Pc 〈 0.89), because of the very high occurrence of these antigens in the ...
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    DNA polymerase activity determined by the ultraviolet-protecting plasmid, R-Utrecht (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 432-434 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The strains used are derivatives of S. typhimurium strain M7471, which is of the 'FIRN' wild-type and differs from LT2 by absence of fimbriae and failure to ferment inositol and rhamnose3. The parent strain, SL4525, has the following genotype: M7471 (ColEl-30) leu-1051 malB479 cyslll73 hisC527 ...
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    Cytophotometric factors causing apparent differences between Feulgen DNA contents of different leukocyte types (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 439-440 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Air-dried smears of normal adult human blood were fixed in methanol?formalin?acetic acid (80: 10:5) for 1 h at room temperature, washed in running tap water for 60 min, hydrolysed in 5 N HCl at 25 C for 80 min (found in pilot experiments to give maximum staining intensity), rinsed in distilled ...
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    Biological decay of the 5′-triphosphate termini of the RNA of E. coli (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 74-76 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We followed the decay of 32P-labelled triphosphate termini in cell cultures after rifamycin SV had been added to stop further initiation of RNA synthesis9. Since E. coli is relatively resistant to rifamycin, we used the mutant strain E. coli H-101 (ref. 10), which is sensitive. To determine whether ...
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    Necessity for DDT (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 449-449 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE number of books on pesticides must by now be big enough to construct a largish pulpit from which to continue the environmental argument over such chemicals in general, and over the chlorinated insecticides, long since cast as the villains of the piece, in particular. To those of us involved in ...
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    Medical meeting (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 451-451 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WITH all the turmoil in research circles following the British government's acceptance of the Rothschild "customer/ contractor" principle of research funding and organisation, this meeting was very timely. Twenty-two speakers from all the major countries in western and eastern Europe except for the ...
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    Please take note (1974)
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    Nature 251 (1974), S. 452-452 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Professor of Industrial Management at the University of Newcastle has aimed his book at engineers and scientists in industry; there are chapters on how to write specifications, sales literature, contracts, patents and handbooks. But the sections on writing articles and reports, on organising ...
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    A theoretical view of life (1974)
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    Nature 251 (1974), S. 454-454 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MOLECULAR biologists at work may be compared to industrial archaeologists: pieces of the machinery are carefully retrieved, dusted and measured and parts of the mechanism are put together in the test tube and made to work. This sort of activity has been in full swing for fifteen years or more and ...
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    Fruits of a Faustian bargain (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 270-271 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CHARLES COLSON, former President Nixon's one-time hatchet man, announced soon after the 1972 election that the Administration would take no vindictive action against those who had the temerity to oppose it. In fact, said Colson, a large federal programme was already in the works for the only state ...
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    300 universities look to the future (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 273-274 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE General Assembly of CRE meets once every five years; often enough, it might be thought by those to whom the sight of one Vice-Chancellor is daunting enough, let alone 300. The theme of the Assembly at its meeting recently in Bologna was '"The European Universities 1975?1985", and the Assembly ...
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    Do pulsars make supernovae? (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 277-277 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE brilliant explosion of a supernova heralds the demise of a highly-evolved, massive star. When stars in the mass range 3?8 solar masses (M?) have exhausted the hydrogen and helium in their central regions, they all evolve to red-giant configurations of very similar structure. They have a dense ...
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    In search of a meaning (1974)
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    Nature 251 (1974), S. 279-280 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE first plenary meeting of the International Society for Research on Aggression, whose objects are as much educational as scientific, was held in Toronto on August 17 and 18. The constitution of the society refers to "the destructive and constructive aspects of aggression", but does not define ...
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    Indian astronomy in the era of Copernicus (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 283-285 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An observatory, in use in India during the time of Copernicus, was part of an astronomical tradition dating back to the second millenium ...
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    Direct observation of rock macerates (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 294-295 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In a preliminary study we used a dark, laminated, shaly sandstone from the Diabaig Formation of the Torridon Group, in north-western Scotland1 (NG799605)2. This formation is believed to be older than 995 ± 24 106 yr (ref. 3), and was selected because samples from other outcrops of this ...
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    Mad dogs and Englishmen (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 663-663 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE most notable feature of the current outbreak of rabies in Europe is the involvement of wildlife. When the disease was eliminated from Britain and certain other European countries at the turn of the century, rabies had been maintained in the domestic dog. Now it is the fox population which acts ...
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    Astronomers share Nobel Prize (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 664-664 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] NOT before time, the Nobel Prize for Physics has been awarded for work in radioastronomy. Given that at last the prize was to go in such a direction, it could hardly have been awarded to anyone other than Sir Martin Ryle, who pioneered the technique of aperture synthesis (cited by the Nobel ...
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    Oxygen microenvironment and respiratory oscillations in cultured mammalian cells (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 317-319 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Oscillations of microenvironmental pO2 in the medium overlaying attached cultures of 107 cells per 50 mm Petri plate were measured amperometrically with calibrated Pt/Ir micro-oxygen cathodes polarised between 0.6 and 0.8 V. The oscillations were traced on a strip chart recorder connected to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/251317a0
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    Electronic Resource
    Electronic Resource
    Proteoid roots are microbially induced (1974)
    [s.l.] : Nature Publishing Group
    Nature 251 (1974), S. 316-317 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Nine hundred gram lots of two soils poor in nutrients (a podzolised soil, Mount Burr sand, South Australia4 with 3 p.p.m. sodium bicarbonate extractable P; and a lateritic podzolic soil from Dwellingup, Western Australia"5 with less than 1 p.p.m. extractable P) were wetted to 70% field capacity ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/251316a0
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