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  • Wiley-Blackwell  (52,677)
  • Nature Publishing Group  (18,746)
  • American Association for the Advancement of Science  (16,046)
  • 1985-1989  (87,469)
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  • 1
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The T-cell receptor (TCR) γ polypeptide is expressed associated with CD3(T3) on the surface of normal human peripheral blood lymphocytes. These cells function as non-MHC-restricted cytotoxic T lymphocytes (CTL) and thus may play an important role in host immune defence. The TCR γ ...
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  • 2
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    [s.l.] : Nature Publishing Group
    Nature 325 (1987), 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 Pyrenees were a segment of Hercynian crust that underwent rifting during the Mesozoic followed by compression during Late Cretaceous to Cenozoic time1'3. From a regional study of Hercynian metamorphism in a North Pyrenean massif it was recently proposed4 that 'the Hercynian orogeny in the ...
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  • 3
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    [s.l.] : Nature Publishing Group
    Nature 325 (1987), S. 561-562 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE question whether the British university system will be able, like Lazarus, to rise from the dead will not be settled by the announcement last week that academic salaries are at last to be increased (see p. 567) or by the recommendations of the government committee under Lord Croham which, for ...
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  • 4
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    [s.l.] : Nature Publishing Group
    Nature 325 (1987), S. 565-565 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington THE Canadian government's quarrel with Washington over acid rain has moved into a new and more acrimonious phase, with the Canadians demanding immediate action. At a meeting on 21 January, the Canadian Prime Minister, Brian Mulrony, gave US vice-president George Bush what is ...
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  • 5
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    [s.l.] : Nature Publishing Group
    Nature 325 (1987), S. 565-565 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] New Delhi THE appointment of a successor to Dr Raja Ramanna, retiring chairman of the Indian Atomic Energy Commission (AEC), has been postponed at the last minute in the wake of threats of resignation and an internal power struggle between top scientists at the Department of Atomic Energy ...
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  • 6
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    [s.l.] : Nature Publishing Group
    Nature 325 (1987), S. 567-567 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Tokyo JAPAN'S X-ray astronomy satellite, Astro-C, was successfully launched from the Kagoshima Space Center of the Institute of Space and Astronautical Science (ISAS) on 5 February. Developed jointly by Japanese, British and US scientists, the probe will monitor faint X-ray sources in the far ...
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  • 7
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    Nature 325 (1987), S. 568-568 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sydney AUSTRALIA is to be the site for an international spaceport, if the governments in the top end of the continent have their way. A A$93,000 study commissioned by the Queensland state government is to recommend that at least 2,000 km2 be set aside for a spaceport on the Cape York ...
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  • 8
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    Nature 325 (1987), S. 569-569 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A US DELEGATION poised to travel to Moscow last weekend to sign a memorandum of understanding making the Soviet Union an official member of the Ocean Drilling Program was ordered not to leave just one day before the scheduled trip. The Defense Department postponed the signing by raising concern ...
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  • 9
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    Nature 325 (1987), S. 570-570 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-The communication by R. Russell-Jones on "Cancer risk assessments in light of Chernobyl" (Nature 323, 585; 1986) continues the vapid calculations made following the disaster. It also is technically incorrect as well as misleading. Presumably the 400,000 rem (4,000 Sv) quoted are the product of ...
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  • 10
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    Nature 325 (1987), S. 573-574 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RADIOACTIVE clocks are continuously ticking. In magma source regions, in magma chambers, in minerals crystallized from magmas and after eruption in frozen volcanic effusives, they continue to record time. These clocks are the nuclides of the naturally occurring uranium and thorium radioactive decay ...
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  • 11
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    Nature 325 (1987), S. 577-578 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CAN there still be anything new in the problem of a hydrogen atom in a uniform magnetic field? Most physicists are likely to say no and be surprised that this seemingly simple problem is not yet fully understood and that unexpected and qualitatively new phenomena continue to emerge. Recent ...
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  • 12
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    Nature 325 (1987), S. 581-581 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-Haseltine and Patarca1 have suggested regions of sequence similarity between the 3'-end of the polymerase gene of HIV (human immunodeficiency virus, type HTLV-III)2 and the hamster gene for PrP 27-30, a protein associated with scrapie infectivity34, but Braun and Gonda have since shown that the ...
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  • 13
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    Nature 325 (1987), S. 581-582 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-The B-cell differentiation factor BSF-2 (or BCDF), whose complementary DNA was recently cloned from T cells by Hirano et ai', turned out to be identical to interferon-p2 (IFN-p2, 26K), which we had cloned from human fibroblasts by means of its interferon activity2 4. Billiau5, in pointing out ...
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  • 14
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    Nature 325 (1987), S. 583-584 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IF, IN good illumination (and wearing my glasses!) my eyes alight upon a common object, I have no difficulty in recognizing that there is, for example, a chair some two metres in front of me. This is the exercise of an everyday and seemingly trivial capacity, but one which has long frustrated our ...
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  • 15
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    Nature 325 (1987), S. 587-592 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Seasonal and mean annual temperatures can be reconstructed from radiocarbon-dated beetle remains to yield a synthesis of the palaeoclimatic history of Britain over the last 22,000 years. The reconstructions agree well with independent evidence from periglacial features and provide a detailed ...
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  • 16
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    Nature 325 (1987), S. 605-607 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the past 25 years, CO2 well gases in general1 and CO2-rich well gases from Harding County, New Mexico, in particular, have been extensively investigated for noble gases by several authors. In 1963, Butler et al.2 first found a small, but significant 129Xe excess (~2%) and fissiogenic Xe excesses ...
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  • 17
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The ATP-dependent Ca2+ uptake was studied in liver plasma membrane vesicles prepared according to Prpic et al7. Addition of glucagon( 19-29) (0-50 nM) to the assay medium resulted in a dose-dependent inhibition of the ATP-dependent Ca2+ uptake (Fig. 1). A maximal inhibition of 40-60% was attained ...
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  • 18
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In 1960, Nowell and Hungerford discovered a shortened chromosome 22, designated the Philadelphia (Ph) chromosome, in chronic myelogenous leukaemia (CML)1. This chromosomal aberration, which is now considered the cytogenetic hallmark of the disease, results from a reciprocal translocation between ...
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  • 19
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We obtained four cases of Ph+ acute lymphoblastic leukaemia leukaemia (ALL) for our study (F.B., F.Y., P.N. and A.E.). The Ph chromosome was observed by cytogenetic analysis in each case. Immunophenotyping of the blast cells revealed a common ALL phenotype8 in three patients (F.B., F.Y., P.N.) and ...
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  • 20
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    Nature 325 (1987), S. 470-470 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is a long time since the British shared the belief that others have of them, that their favourite sports are fox-hunting, horse-racing, cricket and rowing, in that order. (To judge by times allocated in broadcasting schedules, the most popular game is now snooker, played with a number of ...
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  • 21
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    Nature 325 (1987), S. 472-472 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington THE table below shows the top ten US universities ranked by federal research funds received in fiscal year 1985, based on data in a recent report from the National Science Foundation. Johns Hopkins owes its ranking to the $299 million a year that went to its Applied Physics ...
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  • 22
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    Nature 325 (1987), S. 474-474 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Hamburg WiDE-ranging recommendations on the applications of genetic engineering are contained in a report of a West German parliamentary commission. Although generally approving the use and exploitation of genetic manipulation, the commission calls for a ban on experiments on fertilized human ...
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  • 23
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    Nature 325 (1987), S. 475-475 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington A CLOUD of 1.0 km3 of carbon dioxide gas released from Lake Nyos in Cameroon last August caused the deaths by asphyxiation of at least 1,700 people, according to a report prepared by a US scientific team that investigated the natural disaster. The US report agrees substantially with ...
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  • 24
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    Nature 325 (1987), S. 477-477 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] New Delhi INDIA'S plan to establish a thousand million dollar missile base at Baliapal on the eastern coast of Orissa state has run into trouble because some 41,000 residents have refused to be evicted. They have virtually sealed all entry points with road blocks and sign boards. No civilian ...
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  • 25
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    Nature 325 (1987), S. 478-478 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-It is a myth that preindustrial civilizations lived in harmony with nature, Jared Diamond writes in News and Views1. His argument is unassailable. But by dwelling exclusively on instances of bad natural resource management, he runs the risk of perpetrating a countermyth that sound environmental ...
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  • 26
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    Nature 325 (1987), S. 482-483 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CONODONTS, small tooth-like fossils found in Palaeozoic (570-245 million-year-old) rocks, were until recently a mystery. Many supposed conodont animals have been reported, but it was not until 1983 that an acceptable specimen was described1. New findings2 improve our knowledge of this conodont ...
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  • 27
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    Nature 325 (1987), S. 485-485 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BENJAMIN Levich, the most highly placed 'refusnik' scientist to be allowed to emigrate from the Soviet Union, died on 19 January. Levich was known internationally for his work in physicochemical hydrodynamics, which he was the first to establish as a separate scientific discipline. His research ...
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  • 28
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    Nature 325 (1987), S. 487-487 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-Several recent articles have described members of a rapidly growing family of proteins, each of which contain a similar domain of roughly 200 amino acids that is likely to be involved in nucleotide binding. The majority are bacterial proteins known to be ATP-binding components of periplasmic ...
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  • 29
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    Nature 325 (1987), S. 489-489 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-I would like to challenge several of J. Paul's ideas in his proposal1 that the body temperature of homoiotherms is close to 36°C because the specific heat of water is near a minimum at this temperature. First, not all homoiotherms have body temperatures near the 36°C of eutherian ...
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  • 30
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    Nature 325 (1987), S. 492-493 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FROM Hume to Nelson Goodman, philosophers have been baffled by the problem of justifying induction. Professors Holland, Holyoak, Nisbett and Thagard neatly sidestep the issue by taking the pragmatic line that if it works it works. The reason we do not use the concept grue (green until time t and ...
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  • 31
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    Nature 325 (1987), S. 494-494 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is ten years since the publication of the articles that described the rapid and simple methods used to determine sequences of DNA. So efficient are these techniques that it has been necessary to create international data libraries to record the results. These collections have grown so that the ...
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  • 32
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    Nature 325 (1987), S. 507-509 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Clusters may be bright X-ray sources6, may cause inhomogeneity in the microwave background7, and are often elongated8'9. For a lens that is elongated in projection, the minimal surface mass density necessary for splitting images is smaller1'4 by a factor ~2 than for round lenses3'10. I shall ...
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  • 33
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    Nature 325 (1987), S. 520-522 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Order Marsupialia Illiger, 1811 ?family Stagodontidae Marsh, 1889 Pariadens new genus Type and only species: Pariadens kirklandi, new Diagnosis: Similar to Stagodontidae in having lower molar paraconid as large or larger than metaconid, but lacking the extreme enlargement of ...
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  • 34
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    Nature 325 (1987), S. 525-528 
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    Notes: [Auszug] Fig. 1 Single-channel currents in two outside-out membrane patches (a) activated by 10 u.M aspartate (Vm = -100mV), and (b), activated by lOpiM quisqualate (Vm = -70mV). The single-channel currents are composed of four discrete levels indicated by dotted lines. The slope conductances for aspartate ...
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  • 35
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    Nature 325 (1987), S. 529-531 
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    Notes: [Auszug] This investigation began with the observation that in cultured neurons the magnitude of the whole cell current produced by NMDA appeared to depend on the speed of perfusion of NMDA-containing solutions: slower movement of the perfusion solution resulted in a larger response (L. Nowak and P.A., ...
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  • 36
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    Notes: [Auszug] Retroviral vectors were constructed that contained either human c-fms cDNA or chimaeric genes formed between the feline v-fms and human c-fms genes (Fig. 1). A Bglll site shared by the 3' region of both genes was used to replace the 38 C-terminal amino acids of the v-fms gene product with the ...
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    Nature 325 (1987), S. 556-559 
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    Notes: [Auszug] PHARMACIA has just introduced two new separation columns, and will be providing information on them in booths 1 and 2. The NICK columns are pre-packed with Sephadex DNA Grade, and are specially designed for the separation of nick-translated DNA from unincorporated radiolabelled nucleotides, ...
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    Nature 325 (1987), S. 557-557 
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    Notes: [Auszug] BioTechnica Ltd, the Cardiff-based biotechnology company, has thought up a unique way to harness the information storage capability of DNA. It has developed a labelling system, using DNA fragments, to protect companies against illicit marketing and counterfeiting of their products (Reader Service ...
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    Nature 325 (1987), S. 378-378 
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    Notes: [Auszug] London DESPITE having placed much confidence in the assurances of the Central Electricity Generating Board (CEGB) and the Nuclear Installations Inspectorate (Nil) on the safety aspects of the pressurized water reactor (PWR), the Layfield Inquiry was scathing in its criticisms of the poor ...
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    Nature 325 (1987), S. 377-377 
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    Notes: [Auszug] London BRITAIN'S proposed £1,300 million pressurized water reactor (PWR) to be based at Sizewell in Suffolk and planned to be the forerunner of five similar complexes thoughout the United Kingdom, has been recommended in the report See page 378 for more on Sizewell. The 'Summary of ...
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    Nature 325 (1987), S. 382-382 
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    Notes: [Auszug] Tokyo THE first Japanese woman to be officially recognized as a victim of AIDS (acquired immune defiency syndrome), died last week, awakening Japan to the fact that the disease is not confined to homosexuals and haemophiliacs. According to the Health and Welfare Ministry, the number of ...
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    Nature 325 (1987), S. 384-384 
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    Notes: [Auszug] SIR-Many measurements have shown that the ozone layer in the troposphere is unstable, that carbon dioxide, carbon monoxide, methane, oxides of nitrogen, halocarbons and other trace gases and dust are increasing in the atmosphere, and that sea surface temperatures are warming, glaciers are receding ...
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    Nature 325 (1987), S. 384-384 
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    Notes: [Auszug] SIR-L.M. van Valen (Nature 323, 664: 1986) is wrong in suggesting that provision of a helpful taxonomic service is incompatible with doing interesting research. Studies by taxonomists or others on the evolution of molecular biology of their organisms need not be used to evoke the nuisance of ...
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    Nature 325 (1987), S. 386-387 
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    Notes: [Auszug] IN A recent News and Views article (Nature 324, 406-407; 1986) I argued the case for rigorous proof in mathematics. But it would give a very one-sided picture of mathematics to lay emphasis on a technical necessity - proof - while ignoring the essence of the subject - ideas. So how do ...
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    Nature 325 (1987), S. 389-389 
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    Notes: [Auszug] UNDERSTANDING olfactory transduction has been a sticky problem. As recently reviewed in News and Views ', modern molecular and electrophysiological techniques are beginning to reveal details of the mechanism. On page 442 of this issue2, Nakamura and Gold report that isolated membrane patches pulled ...
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    Nature 325 (1987), S. 393-393 
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    Notes: [Auszug] The old adage, that many fossil discoveries are made in the museum basement, is confirmed by a recent study of ichthyosaurs, extinct marine reptiles like dolphins in form and habits, which highlights the often forgotten scientific importance of fossils in provincial museums1. Leicestershire Museums ...
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    Nature 325 (1987), S. 395-395 
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    Notes: [Auszug] SIR-As a result of a paper by Fisher1, and early discussion of the topic, the view has become widespread (for example, ref. 2) among those who have not bothered to read the biological literature, that Mendel falsified some of his data. Several analyses3"6 do not confirm this view, and results like ...
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    Nature 325 (1987), S. 396-396 
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    Notes: [Auszug] SIR-It is gratifying to me that a recent spin-coupled valence-bond treatment of the benzene molecule by Cooper, et al.1 should have led the authors to conclude that the Kekule description of the molecule, as expressed in the classical VB form, is much closer to reality than a description in terms ...
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    Nature 325 (1987), S. 399-399 
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    Notes: [Auszug] HUNDREDTH birthdays often warrant a letter from the Queen. The sesquicenten-nial of the University of London gets instead some kind words from Princess Anne, its Chancellor since 1981, to preface Negley Harte's splendid illustrated history of the institution. The 366 pictures and their informative ...
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    Nature 325 (1987), S. 405-411 
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    Notes: [Auszug] Observations of splitting in free oscillations spectra can be used to constrain the three-dimensional distribution of heterogeneity in the Earth. Modes sampling mainly the Earth's mantle are compatible with the distributions of mantle heterogeneity inferred from P-wave travel times. The anomalously ...
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    Notes: [Auszug] The Solea graben is the oldest and best-exposed of three asymmetric structural grabens identified along the northern margin of the Troodos ophiolite1. Originally steep dykes and normal faults dip toward the graben axes, whereas originally horizontal lavas dip away. The eastern margin of the Solea ...
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    Nature 325 (1987), S. 435-437 
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    Notes: [Auszug] Many aquatic animals that swim fast for long distances have adopted the mode of propulsion Lighthill4 terms carangiform with lunate (crescent) tail. Forward thrust is generated exclusively by the caudal fin mounted on the slender tail section of the heavy body. Scombroid fishes (Fig. la) have the ...
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    Nature 325 (1987), S. 445-447 
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    Notes: [Auszug] ICa was determined in differentiated N x G cells by the whole-cell clamp technique15, using Ba2+ as charge carrier. Outward currents were minimized by replacing K+ with Cs+. On step-depolarizations from -40 to OmV, /Ca had a density of 11.5± 2.4(xAcm~2 (mean±s.d.; n=46); the ...
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    Nature 325 (1987), S. 456-458 
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    Notes: [Auszug] It has been demonstrated for a variety of cells and tissues that receptor occupancy leads to the rapid hydrolysis of phos-phatidylinositol 4,5-bisphosphate (Ptdlns 4,5 P2) with subsequent formation of 1,2-diacylglycerol (DG) and inositol 1,4,5-trisphosphate (InsP3). Whereas InsP3 appears to be an ...
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    Nature 325 (1987), S. 463-463 
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    Notes: [Auszug] IN a recent article Caplin et a/.1 reported an event, event-160. They rejected many possible terrestrial causes for event-160 and offered the event as a candidate magnetic monopole sighting. Here I demonstrate that although the precise cause of event-160 remains unknown the experimental record of ...
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    Nature 325 (1987), S. 287-287 
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    Notes: [Auszug] SYDNEY Brenner, who was made a Companion of Honour in the British New Year's Honours list, is now also £340,000 better off as a result of his share in the 1987 awards of the Louis Jeantet Foundation for Medicine. Of this sum, £40,000 is a personal award and the rest is to be used to ...
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    Nature 325 (1987), S. 289-289 
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    Notes: [Auszug] London A GROUP of Moscow refusniks who pubished a letter recently in Nature (324, 204; 1986) report reprisals from the KGB and Public Prosecutor's Office. The letter was addressed to Professor Jean-Marie Legay, president of the World Federation of Scientific Workers (WFSW), and two of the ...
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    Nature 325 (1987), S. 289-289 
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    Notes: [Auszug] Washington THE Strategic Defense Initiative (SDI), President Reagan's plan to erect a "peace shield" against ballistic missiles over the United States, could become a reality by the middle of the 1990s, although it is still in its research phase. Various reasons are given for this new impetus, ...
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    Nature 325 (1987), S. 291-291 
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    Notes: [Auszug] London THE British government intends further to reduce the amount of public spending, in proportion to national income, over the next three years and to demand greater value for money from its investments, including scientific research. Researchers on government projects will receive a modest ...
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    Nature 325 (1987), S. 293-293 
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    Notes: [Auszug] London HUNGARY needs increased investment in research and development, according to the Central Committee of the Hungarian Socialist Workers' Party. A position paper prepared by Dr Lenart Pal, formerly chief secretary of the Hungarian Academy of Sciences and now a secretary of the Central ...
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    Nature 325 (1987), S. 294-294 
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    Notes: [Auszug] SIR-In clarification of your story about the Plant Gene Expression Center (Nature 324, 103; 1986), Peter Quail will be an employee of the University of California in Berkeley, but our other six newly named staff members will be federal civil servants. Because the centre is a cooperative venture ...
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    Nature 325 (1987), S. 297-297 
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    Notes: [Auszug] A MOST interesting experiment is about to be tried in Birmingham. A Company has obtained Parliamentary powers to supply power from a central station by compressed air through pipes laid in the streets. No fairer field for such an experiment could be found than in Birmingham, which is marked out ...
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    Nature 325 (1987), S. 298-299 
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    Notes: [Auszug] EVOLUTION is often described as the movement of populations through an adaptive landscape1: the mathematical nature of much of population genetics theory means that this is only too often a landscape with figures. The allegorical terrain is usually hilly, with most evolving populations at or near a ...
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    Nature 325 (1987), S. 302-303 
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    Notes: [Auszug] THE main evidence that heavy atomic nuclei are still being fashioned by stars throughout our Galaxy was the observation of the 1.809-MeV gamma-ray line arising from the decay of 26A1, an isotope with a half-life of only a million years, by the High Energy Astronomy Observatory (HEAO-3)1 and Solar ...
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    Nature 325 (1987), S. 305-305 
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    Notes: [Auszug] SIR-The ambiguities inherent in the presentation of data in graphs and tables in the ways discussed by Ferreira (Nature 324, 215-216; 1986) may be eliminated by applying the multiplier term to the physical quantity, not to the unit. Thus, to use the example given by Ferreira, the axis would be ...
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    Nature 325 (1987), S. 306-306 
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    Notes: [Auszug] SIR-Artefacts closely resembling the mystery object recently encountered by Wolstenholme et al. (Nature 323, 300; 1986) in a chromosome preparation are routinely fabricated in electronics laboratories by means of positive-resist electron-beam lithography. During the fabrication of certain ...
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    Nature 325 (1987), S. 309-309 
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    Notes: [Auszug] LIKE it or not, the scientific editor's role has changed. Once concerned mostly with house style and peer review, and balancing the competing elements in his journal, he has now had other preoccupations thrust upon him: duplicate publication; piracy, plagiarism and forgery; and hidden commercial ...
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    Notes: [Auszug] Subunits ofguanine nucleotide regulatory proteins purified from bovine cerebral cortex were used to perfuse the intracellular surface of excised patches of chick embryonic atrial cells. Single-channel current measurements unexpectedly indicate that the βγ, and not the a subunits, are ...
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    Nature 325 (1987), S. 332-335 
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    Notes: [Auszug] The existence of an 1C of the Earth was first proposed just over 50 years ago by Lehmann1 to explain an apparent increase in the magnitude of the P-wave velocity deep in the core. Her interpretation was immediately confirmed by the travel-time studies of Jeffreys and Bullen2 and Gutenberg and ...
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    Nature 325 (1987), S. 341-343 
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    Notes: [Auszug] The flow of water over mobile, non-cohesive bed material such as silt, sand and gravel usually produces a series of sediment sandwaves4. These waveforms have been observed on the bottom of all aquatic environments where active water flow occurs over unconsolidated bed material. For this reason ...
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    Notes: [Auszug] In our experimental arrangement the tip of the sperm head is held in the tip of a micropipette by gentle suction, with the planar flagellar beat4 lying approximately within the focal plane of the microscope. The micropipette is oscillated by a piezoelectric driver capable of vibrating along any ...
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    Notes: [Auszug] Early Drosophila embryogenesis is initiated by 13 rapid and synchronous nuclear cleavages which occur within a syncytium. At the end of the 13th cycle, cellular membranes begin to form at the periphery of the embryo; their completion defines the cellular blastoderm10. Soon after, gastrulation ...
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    Nature 325 (1987), S. 359-361 
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    Notes: [Auszug] The effects of transformation by ras on PI metabolism were investigated in NIH 3T3 cells recently transformed either by transfection with activated Ha-ras or by infection with Kirsten sarcoma virus, to avoid artefactual changes resulting from long-term cell-line divergence. Steady-state levels of ...
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    Nature 325 (1987), S. 374-374 
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    Notes: [Auszug] Nature 324, 388-391 (1986). IN this letter Figs 1 and 2 were transposed. The legends arecorrect as ...
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    Nature 325 (1987), S. 181-182 
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    Notes: [Auszug] THE remarkable document on pp 207-214 of this issue should be read only in conjunction with the comment thereon by Dr Eugene Braunwald (pp 215-6) and the following explanation of Nature's role and interest in this unusual affair. Drs Walter Stewart and Ned Feder are two tenured members of the ...
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    Nature 325 (1987), S. 183-183 
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    Notes: [Auszug] BRITAIN has no cash to award new development space contracts because of the government's reaction to a 15-year space plan, completed at the end of last summer by the British National Space Centre (BNSC), is more than two months overdue. The delay is causing considerable embarrassment at BNSC, ...
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    Nature 325 (1987), S. 185-185 
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    Notes: [Auszug] Washington A NEW steroidal compound that may be used for treating cancer, glaucoma and even AIDS (acquired immune deficiency syndrome) is nonetheless at the centre of a political storm because of its most promising property: the ability to terminate early pregnancy with a single, 600-mg dose. ...
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    Nature 325 (1987), S. 187-187 
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    Notes: [Auszug] Washington As a result of a delay in 1987 budget negotiations between Congress and the National Oceanic and Atmospheric Administration (NOAA), work on the two newest Land Remote Sensing Satellites (Landsats 6 and 7) has ground to a halt. The Earth Observation Satellite Company EOSAT, ...
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    Nature 325 (1987), S. 188-188 
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    Notes: [Auszug] London THE current cold spell has caused considerable disruption to the Soviet Union's already over-stretched energy supplies. With temperatures the lowest of the post-Stalin era, there has been inevitably an increased demand for electricity. But, even before the cold set in the situation was ...
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    Nature 325 (1987), S. 190-190 
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    Notes: [Auszug] SIR-Joseph Palca's article "Living outside regulation" (Nature 324, 202; 1986) reports that a genetically manipulated yeast developed in the United States may be tested in England at least in part to avoid the US regulatory process. The article might be interpreted by some readers as implying that ...
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    Notes: [Auszug] SINCE the flowering of the Cold War, diplomats everywhere have known what is meant by the domino effect; one country falls under pressure from an aggressor and, in doing so, knocks over its nearest neighbour, which knocks over the next, and so on. Not all diplomats may know that the phrase comes ...
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    Nature 325 (1987), S. 193-193 
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    Notes: [Auszug] STUDY of the surfaces of Mars, Mercury and the Moon has revealed the existence of wrinkle ridges, complex geomorphic structures variously proposed to have volcanic, tectonic or combined volcanic/tectonic origins. Generally they consist of long linear ridges, with heights measured in metres, that ...
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    Nature 325 (1987), S. 196-196 
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    Notes: [Auszug] THE two hemispheres of the human brain are (roughly) symmetrical at the level of gross anatomy, yet their functional capacities are quite distinct; many domains of visuo-spatial cognition have their neuronal substrate in the right hemisphere, whereas the left is specialized for core ...
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    Notes: [Auszug] A MOST extraordinary snowstorm occurred here today (January 7). In fifty years' experience I have seen nothing like it. It would be impossible to realize the gigantic size of the snowflakes without seeing them. I can only compare them to a fall of oranges, though the diameter of an ...
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    Nature 325 (1987), S. 198-198 
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    Notes: [Auszug] NOMADIC pastoralism in the semi-arid regions of the world is a hazardous occupation because of the unpredictability of water supply and therefore the unreliability of forage production1. The vegetation of such areas is often patchy2 but contains a range of species that vary in their ...
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    Nature 325 (1987), S. 201-201 
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    Notes: [Auszug] SIR-Heaton et at.1 report that the 15N/14N ratios of bone collagen from prehistoric humans with little or no access to marine protein show a negative correlation with present rainfall levels in the areas of South Africa they inhabited. Such a correlation cannot, however,be accepted uncritically, ...
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    Notes: [Auszug] SIR-John Lawton1 has drawn attention in News and Views to the important simulation model of Shorrocks and Rosewell2 which assumes that aggregation of individual Drosophila species is reflected through the parameter k of the negative binomial distribution. The model is based on successive sums of ...
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    Notes: [Auszug] SOLID state chemistry is a tough subject and for many years was rather unfashionable. Synthetic techniques are at the Neanderthal stage compared to those used in organic synthesis. Characterization of the reaction product is invariably difficult, because it is often non-crystalline - in these ...
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    Nature 325 (1987), S. 206-206 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ECOLOGISTS have been slow to wrestle with the importance of spatial and temporal scales in population, community and ecosystem processes. By way of illustration, imagine a coral reef, and the myriads of jewel-like fish that call it home. How important are interspecific interactions between the fish ...
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    Nature 325 (1987), S. 223-228 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Transgenic mice expressing simian virus 40 T antigen under control of the insulin gene regulatory region vary in their response to this protein. Each lineage is characteristically either tolerant to T antigen, or not, in which case autoantibodies arise with high frequency, and lymphocytes ...
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    Nature 325 (1987), S. 232-234 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Studies on the physics of the liquid state and the phase transitions between liquids and solids have been hampered by the difficulties of labelling molecules in order to study their diffusional motion. However, one of the major developments in the field of colloid science over the past few decades ...
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    Nature 325 (1987), S. 239-242 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A long-range explosion seismology experiment was carried out in August 1985 as part of KRISP 85 (Kenya Rift International Seismic Project 85) by a group of institutes from the United Kingdom, United States, West Germany, Switzerland, Kenya and Zimbabwe. The major aims of this experiment were (1) to ...
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    [s.l.] : Nature Publishing Group
    Nature 325 (1987), S. 251-253 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The goldfish is well suited for studies of pheromone release by females and pheromonal effects on males because ovulation is synchronized with the light-dark cycle and can be manipulated under laboratory conditions. Goldfish which have completed vitellogenesis at 12-14 °C ovulate spontaneously ...
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    [s.l.] : Nature Publishing Group
    Nature 325 (1987), S. 259-262 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Three types of neurons were identified in the abdominal ganglion of Aplysia. Under voltage clamp at resting potentials, these neurons responded to ACh, HA, and/or DA with a distinct outward current4"6, which reversed to an inward current when the membrane was hyperpolarized below the equilibrium ...
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    Notes: [Auszug] We and others have previously demonstrated stimulation of transcription by the SV40 enhancer in an in vitro system derived from cultured cells7'10. Accordingly, transcription extracts should contain factors that can bind to enhancer and promoter sequences. To monitor this binding directly, we ...
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    [s.l.] : Nature Publishing Group
    Nature 325 (1987), S. 276-279 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Experimental system. A, Schematic drawing of the cerebel-lar cortex with recording and stimulation electrodes attached. Ml, M2 and M3, glass-coated tungsten microelectrodes. The tip of Ml was exposed for 15 (xm, and those of M2 and M3 for 100 jim. M4, double- or triple-barrelled glass ...
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    Nature 325 (1987), S. 94-94 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONCE upon a time (in August 1982) there was a successful manufacturer of constructional materials called the Manville Corporation, incorporated in the United States. By evil chance, Manville had grown rich by selling constructional materials based on asbestos, which had been recognized, long before ...
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    Nature 325 (1987), S. 95-95 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE European Molecular Biology Organisation (EMBO) won approval from member governments at its December council meeting to increase the number of long-term (2- 3-year) fellowships awarded annually from 160 to lO-199 by ...
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    Nature 325 (1987), S. 95-95 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Victor Hugo award for 1986 will go to Leonid Brailovskii, son of Irina and Viktor Brailovskii, the Moscow mathematicians who for many years have been prominent in the organization of the Moscow Sunday Seminars, for Jewish refusnik scientists dismissed from their scientific posts after ...
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    [s.l.] : Nature Publishing Group
    Nature 325 (1987), S. 96-96 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington THE Reagan Administration's proposed $1,024 million million budget for the fiscal year beginning next October provides substantial increases for basic research in the big science agencies. The increases continue a largesse towards science that is all the more remarkable given the ...
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