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  • Wiley-Blackwell  (52,677)
  • Nature Publishing Group  (18,746)
  • 1985-1989  (71,423)
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  • 1
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    Initial stages of food ingestion by Sepia officinalis (Mollusca: Cephalopoda) (1988)
    Wiley-Blackwell
    In:  Journal of Zoology, 214 (2). pp. 189-197.
    Details
    Publication Date: 2020-07-17
    Description: The cuttlefish ingests much skeleton from the crustaceans and fish it preys upon. The skeletal pieces are relatively large and their dimensions bear a close relationship to the length of the buccal mass and diameter of the oesophagus. The structures of the buccal mass are instrumental in the breakdown of prey and orientation of long pieces of skeleton to ensure their entry into the oesophagus. Many pieces of skeletal material present in the stomach contents still have attached muscles, showing that there is little, or no, external digestion. Skeletal material may be important for long-term maintenance of young Sepia in captivity.
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  • 2
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    Sexual differences in the absolute growth pattern of the Indo-Pacific sandy shore crab Matuta lunaris (1989)
    Wiley-Blackwell
    In:  Journal of Zoology, 218 (4). pp. 603-608.
    Details
    Publication Date: 2020-07-17
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  • 3
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    Precise single-grain 40Ar/39 Ar dating of a cold to warm climate transition in Central Europe (1989)
    Nature Publishing Group
    In:  Nature, 342 (6249). pp. 523-525.
    Details
    Publication Date: 2018-03-02
    Description: RECENT advances in 40Ar/39Ar dating1,2 have made it possible to date individual K-feldspar grains from Pleistocene tephra, a capability that greatly improves the reliability and temporal resolving power of the method. Here we apply these new techniques to the dating of a phonolite tephra from the East Eifel volcanic field in West Germany, which is sandwiched between loess and palaeosol (alfisol) deposits, and which was therefore erupted during the transition from a glacial to an interglacial period. Our age estimate for this transition is 215±4 kyr (1 σ), which has important implications for the marine δ18O timescale and for models of global climate change during the Pleistocene. The results show that single-grain dating can detect and compensate for the large quantities of xenocrystic contaminants which are found in many tephra deposits. This technique could be used to date the tephra layers found in marine sediment cores and the results could greatly enhance the reliability of the marine δ18O timescale for more rigorous Fourier analysis testing of the Milankovitch hypothesis.
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  • 4
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    Satellite measurements of sea surface cooling during hurricane Gloria (1987)
    Nature Publishing Group
    In:  Nature, 326 (6111). pp. 373-375.
    Details
    Publication Date: 2018-03-02
    Description: Hurricanes and other strong storms can cause important decreases in sea surface temperature by means of vertical mixing within the upper ocean, and by air–sea heat exchange. Here we use satellite-derived infrared images of the western North Atlantic to study sea surface cooling caused by hurricane Gloria (1985). Significant regional variations in sea surface cooling are well correlated with hydrographic conditions. The greatest cooling (up to 5°C) occurred in slope waters north of the Gulf Stream where the seasonal thermocline is shallowest and most compressed; moderate cooling (up to 3 °C) occurred in the open Sargasso Sea where the thermocline is deeper and more diffused; little or no cooling occurred in shallow coastal waters (bottom depth less than 20 m) which were isothermal before the passage of hurricane Gloria. There is a pronounced right-side asymmetry of sea surface cooling with stronger (by a factor of 4) and more extensive (by a factor of 3) cooling found on the right side of the hurricane track. These qualitative results are consistent with the notion that vertical mixing within the upper ocean is the dominant sea surface cooling mechanism of hurricanes.
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  • 5
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    Palaeoceanography: Biomarkers for ancient climates (1986)
    Nature Publishing Group
    In:  Nature, 320 (6058). pp. 107-108.
    Details
    Publication Date: 2016-03-01
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  • 6
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    News from a deepening hole (1987)
    Nature Publishing Group
    In:  Nature, 325 (6104). pp. 484-485.
    Details
    Publication Date: 2016-05-18
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  • 7
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    A Lagrangian mixed layer model of Atlantic 18 C water formation (1986)
    Nature Publishing Group
    In:  Nature, 319 . pp. 574-576.
    Details
    Publication Date: 2019-01-21
    Description: One of the most striking features of the upper North Atlantic Ocean is an extensive layer of water with temperature close to 18°C and salinity close to 36.5‰, (ref. 1). This 18°C water is formed by winter convection in the Sargasso sea2,3, but aspects of the annual rate of 18°C water formation remain obscure4. We have simulated this water mass formation by integrating a one-dimensional model along a 4-yr trajectory of a water column circulating around the Sargasso Sea. Winter convection is deep (≥200 m) in regions where the ocean suffers a net annual heat loss to the atmosphere, and shallow (≤lOOm) where the ocean gains heat each year. The origin of the thermostad (nearly isothermal layer) is a thick layer of nearly homogeneous water subducted beneath the seasonal boundary layer in the year that the water column passes through the line dividing annual cooling from annual heating. We estimate the annual production of 18°C water to be 446,000 km3 yr−1. Downstream, more stratified central water is formed each year at a rate that depends more on Ekman pumping (wind-forced convergence) than on the decreasing depth of winter convection
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  • 8
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    Benthic metabolism and standing stock in the central northern Red Sea (1987)
    Wiley-Blackwell
    In:  Marine Ecology, 8 . pp. 1-20.
    Details
    Publication Date: 2017-10-05
    Description: Benthic metabolism and standing stocks were investigated in the deep Red Sea between 21o and 27oN, Activity was assessed by the determination of respiration rates with a shipboard method and by calculating oxygen consumption from the activity in the electron transport system. We attempted to compare results from different latitudes within the warm Red Sea and with data from cold Atlantic environments. Our investigations were part of an environmental risk assessment to evaluate future mining of metalliferous sediments from the Atlantis II Deep.
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  • 9
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    Routing of meltwater from the Laurentide Ice Sheet during the Younger Dryas cold episode (1989)
    Nature Publishing Group
    In:  Nature, 341 (6240). pp. 318-321.
    Details
    Publication Date: 2016-06-16
    Description: ROOTH proposed that the Younger Dryas cold episode, which chilled the North Atlantic region from 11,000 to 10,000 yr BP, was initiated by a diversion of meltwater from the Mississippi drainage to the St Lawrence drainage system. The link between these events is postulated to be a turnoff, during the Younger Dryas cold episode, of the North Atlantic's conveyor-belt circulation system which currently supplies an enormous amount of heat to the atmosphere over the North Atlantic region2. This turnoff is attributed to a reduction in surface-water salinity, and hence also in density, of the waters in the region where North Atlantic Deep Water (NADW) now forms. Here we present oxygen isotope and accelerator radiocarbon measurements on planktonic foraminifera from Orca Basin core EN32-PC4 which reveal a significant reduction in meltwater flow through the Mississippi River to the Gulf of Mexico from about 11,200 to 10,000 radiocarbon years ago. This finding is consistent with the record for Lake Agassiz which indicates that the meltwater from the southwestern margin of the Laurentide Ice Sheet was diverted to the northern Atlantic Ocean through the St Lawrence valley during the interval from ~11,000 to 10,000 years before present (yr BP).
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  • 10
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    Seasonal variation in the diet of the king penguin (Aptenodytes patagonicus) at sub-Antarctic Marion Island (1987)
    Wiley-Blackwell
    In:  Journal of Zoology, 212 (2). pp. 303-324.
    Details
    Publication Date: 2020-07-17
    Description: The diet of the king penguin Aptenodytes patagonicus at Marion Island was examined throughout the year by analysis of stomach samples. Fish accounted for 87% by wet mass, 75% by numbers and 69% by reconstituted mass. Their proportional importance by wet mass increased from 68% during winter to almost 100% in summer and probably reflects a real increase in their local availability. Squid comprised most of the remainder with crustaceans forming less than 1% of the diet by numbers. Prey items were generally small, the most abundant being three species of myctophid fish, Krefftichthys anderssoni, Protomyctophum tenisonì and Electrona carlsbergi, and a squid Kondakovia longimana. King penguins took both juvenile and adult Krefftichthys anderssoni and P. tenisoni, but only adult E. carlshergi. The juvenile and adult modal size classes of K. anderssoni and P. tenisoni increased from March through to February and the proportion of juvenile to adult fish increased in winter. The increase in the modal size class of the K. anderssoni/P. tenisoni complex during the year probably reflects growth of the fish, rather than movement of different populations in and out of the area exploited by king penguins. All squid consumed were probably juveniles. The modal size class of Kondakovia longimana increased from March to August, but in September to October smaller squid again formed a large proportion of the squid component of the diet. Numbers of measurable squid beaks recovered from November to February were low. This is the first time that mesopelagic myctophid fish have been shown to comprise a major component of the diet of a vertebrate predator in the Southern Ocean.
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  • 11
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    Anomalous 13C enrichment in modern marine organic carbon (1985)
    Nature Publishing Group
    In:  Nature, 315 (6016). pp. 216-218.
    Details
    Publication Date: 2016-10-26
    Description: Marine organic carbon is heavier isotopically (13C enriched) than most land-plant or terrestrial organic C1. Accordingly, δ 13C values of organic C in modern marine sediments are routinely interpreted in terms of the relative proportions of marine and terrestrial sources of the preserved organic matter2,3. When independent geochemical techniques are used to evaluate the source of organic matter in Cretaceous or older rocks, those rocks containing mostly marine organic C are found typically to have lighter (more-negative) δ 13C values than rocks containing mostly terrestrial organic C. Here we conclude that marine photosynthesis in mid-Cretaceous and earlier oceans generally resulted in a greater fractionation of C isotopes and produced organic C having lighter δ 13C values. Modern marine photosynthesis may be occurring under unusual geological conditions (higher oceanic primary production rates, lower P CO2) that limit dissolved CO2 availability and minimize carbon isotope fractionation4.
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  • 12
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    Does the ocean–atmosphere system have more than one stable mode of operation? (1985)
    Nature Publishing Group
    In:  Nature, 315 (6014). pp. 21-26.
    Details
    Publication Date: 2016-06-10
    Description: The climate record obtained from two long Greenland ice cores reveals several brief climate oscillations during glacial time. The most recent of these oscillations, also found in continental pollen records, has greatest impact in the area under the meteorological influence of the northern Atlantic, but none in the United States. This suggests that these oscillations are caused by fluctuations in the formation rate of deep water in the northern Atlantic. As the present production of deep water in this area is driven by an excess of evaporation over precipitation and continental runoff, atmospheric water transport may be an important element in climate change. Changes in the production rate of deep water in this sector of the ocean may push the climate system from one quasi-stable mode of operation to another.
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  • 13
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    Unpleasant surprises in the greenhouse? (1987)
    Nature Publishing Group
    In:  Nature, 328 (6126). pp. 123-126.
    Details
    Publication Date: 2016-06-10
    Description: There is now clear evidence that changes in the Earth's climate may be sudden rather than gradual. It is time to put research into the build-up of carbon dioxide in the atmosphere on a better footing.
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  • 14
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    New evidence from the South China Sea for an abrupt termination of the last glacial period (1988)
    Nature Publishing Group
    In:  Nature, 333 (6169). pp. 156-158.
    Details
    Publication Date: 2016-06-10
    Description: Abrupt changes in climatic conditions have been seen at high latitudes in the North Atlantic and the Antarctic at 13 kyr BP. It is important to determine whether this abrupt change was confined to high-latitude regions or whether it was global. Here we present results demonstrating an abrupt change in the rate and character of sedimentation in the South China Sea at the close of the last glacial period. Radiocarbon dating and its position in the oxygen isotope shift suggest that this change may be coincident with the changes found at high latitudes.
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  • 15
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    New evidence from the South China Sea for an abrupt termination of the last glacial period (1988)
    Nature Publishing Group
    In:  Nature, 333 (6169). pp. 156-158.
    Details
    Publication Date: 2016-06-15
    Description: Abrupt changes in climatic conditions have been seen at high latitudes in the North Atlantic1 and the Antarctic2,3 at 13 kyr BP. It is important to determine whether this abrupt change was confined to high-latitude regions or whether it was global. Here we present results demonstrating an abrupt change in the rate and character of sedimentation in the South China Sea at the close of the last glacial period. Radiocarbon dating and its position in the oxygen isotope shift suggest that this change may be coincident with the changes found at high latitudes.
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  • 16
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    Size change in the phylogeny of Foraminifera (1988)
    Wiley-Blackwell
    In:  Lethaia, 21 (4). pp. 375-382.
    Details
    Publication Date: 2020-07-15
    Description: In the animal kingdom evolutionary size changes involved increasing, decreasing and stationary patterns. Planktic and benthic Foraminifera chiefly increased their size during evolution. This increase, however, did not always occur gradually, but could be interrupted by periods when the animals maintained or even decreased in size. The rate of the size increase is different for the various species examined, some benthic forms grew only 10% during the Oligocene-Pleistocene interval, while for others this figure was up to 96%. Some benthic species increased in size in certain areas, but not in others. It is not improbable that some phylogenetic trends of planktic Foraminifera representing, according to stratigraphers, the evolution of one species into another, represent in reality, from the biological point of view, specimens of the same species which changed their size and in addition some minor morphological traits which are encompassed by the normal span of intraspecific variability. A comprehensive understanding and explanation of the size change of Foraminifera needs much additional research.
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  • 17
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    Geochemical and climatic effects of increased marine organic carbon burial at the Cenomanian/Turonian boundary (1988)
    Nature Publishing Group
    In:  Nature, 335 (6192). pp. 714-717.
    Details
    Publication Date: 2016-10-24
    Description: Perhaps the most significant event in the Cretaceous record of the carbon isotope composition of carbonate1,2, other than the 1–2.5 ‰ negative shift in the carbon isotope composition of calcareous plankton at the Cretaceous/Tertiary boundary3, is the rapid global positive excursion of ~2 ‰ (13C enrichment) which took place between ~91.5 Myr and 90.3 Myr (late Cenomanian to earliest Turonian (C/T boundary event))1,4,5. This excursion has been attributed to a change in the isotope composition of the marine total dissolved carbon (TDC) reservoir resulting from an increase in rate of burial of 13C-depleted organic carbon, which coincided with a major global rise in sea level5 during the so-called C/T oceanic anoxic event (OAE)6. Here we present new data, from nine localities, which demonstrate that a positive excursion in the carbon isotope composition of organic carbon at or near the C/T boundary7,8 is nearly synchronous with that for carbonate and is widespread throughout the Tethys and Atlantic basins (Fig. 1), as well as in more high-latitude epicontinental seas. The postulated increase in the rate of burial of organic carbon may have had a significant effect on CO2 and O2 concentrations in the oceans and atmosphere, and consequent effects on global climate and sedimentary facies.
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  • 18
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    Gold and native copper in supergene sulfides from the Mid-Atlantic Ridge (1988)
    Nature Publishing Group
    In:  Nature, 333 (6168). pp. 64-66.
    Details
    Publication Date: 2014-04-25
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  • 19
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    Effects of microbe activity (1988)
    Nature Publishing Group
    In:  Nature, 333 (6168). pp. 17-18.
    Details
    Publication Date: 2019-05-06
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  • 20
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    Blidingia ramifera stat. nov. (Chlorophyta): a new marine alga for eastern North America (1987)
    Wiley-Blackwell
    In:  Nordic Journal of Botany, 7 (3). pp. 359-363.
    Details
    Publication Date: 2018-10-02
    Description: Blidingia minima var. ramifera is reported for the first time in eastern North America. It occurs in the Gulf of St. Lawrence, Nova Scotia and in Maine. In the estuary of the West and Rights Rivers (Antigonish Harbour, Nova Scotia) it is the most common intertidal alga and during its maximum growth period (June‐August) covers 75–90% of the intertidal zone for several km of shoreline at the mouth of the Rights River. In culture, spore germination and early development were typical of the taxon as described from Europe. The taxon is raised to specific status as Blidingia ramifera stat. nov. Blidingia subsalsa is confirmed from New England based on observations of spore germination in plants from Maine and Connecticut.
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  • 21
    Electronic Resource
    Electronic Resource
    British quartet named (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 107-107 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE commercial-sector space mission Juno has announced the four final candidates from whom Britain's first astronaut will be chosen. They are Gordon Brooks, a 33-year-old physician in the Royal Navy; Major Timothy Mace of the Army Air Corps, also 33; Clive Smith, 27-year-old aerospace lecturer at ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/342107d0
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  • 22
    Electronic Resource
    Electronic Resource
    Congress to abandon ship? (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 109-109 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE outlook for the proposed US space station Freedom looks bleak after a showdown last week between officials from the National Aeronautics and Space Administration (NASA) and members of the US House of Representatives Committee on Science, Space and Technology. The committee's support has been ...
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    URL: http://dx.doi.org/10.1038/342109a0
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  • 23
    Electronic Resource
    Electronic Resource
    An end to patronage? (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 112-112 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] London THE East German Academy of Sciences last week issued a statement calling for appointments to management posts in science, education, the health service and the economy to be made on merit, not by Party allegiance. In what amounts to a rejection of the nomenklatura system, the Presidium ...
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    URL: http://dx.doi.org/10.1038/342112a0
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  • 24
    Electronic Resource
    Electronic Resource
    Attention please (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 113-113 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIRá€"Stephen Jay Gould seems to be both right and wrong in his defence of the word 'attendee' to describe someone who attends a meeting (Nature 340,424; 1989). He is no doubt right to say that the Oxford English Dictionary recognizes the use of the word, but he is surely wrong in ...
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    URL: http://dx.doi.org/10.1038/342113b0
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  • 25
    Electronic Resource
    Electronic Resource
    Reversed charges (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 114-114 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIRá€"One method to slow rising journal costs (Nature 341, 349-350; 1989) is to put more of the publication costs on the authors, because they receive the major benefits of their publications. Many learned societies already have page charges and lower subscription costs than ...
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  • 26
    Electronic Resource
    Electronic Resource
    Diversity of laser snowflake crystal forms (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 126-126 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] LASER SNOW is the name given to powdery clouds first observed by A. Tarn, G. Moe and W. Happer in a caesium vapour exposed to laser light (Phys. Rev. Lett. 35, 1630-1633; 1975). It seems that the grains consist of caesium hydride, made when caesium atoms excited by the laser radiation react with ...
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    URL: http://dx.doi.org/10.1038/342126b0
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  • 27
    Electronic Resource
    Electronic Resource
    Floating on air (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 130-130 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE hovercraft supports itself on a cushion of pressurized air, maintained between its underside and the ground. But lacking sides, the cushion leaks absurdly freely. Air has to be pumped down into it at an enormous rate to sustain the pressure. Daedalus is now designing a novel leak-proof ...
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  • 28
    Electronic Resource
    Electronic Resource
    Pruning the tree of life (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 129-130 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE enormous diversity of life is the result of many evolutionary radiations over billions of years. Key questions about the overall diversification of life and especially individual adaptive radiations were tackled at a recent meeting*. The best-known example of radiation, that of the ...
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  • 29
    Electronic Resource
    Electronic Resource
    Angiosperm origins (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 132-132 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MARTIN, GIERL AND SAEDLER REPLYá€" Molecular phylogenies13 and estimates of angiosperm age14 were derived many years ago through protein sequencing of plant mitochondrial cytochrome c in the laboratory of Don Boulter. The ages suggested in these pioneering studies vastly exceeded ...
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  • 30
    Electronic Resource
    Electronic Resource
    Pre-Quaternary Milankovitch frequencies (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 133-133 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIRá€"According to the Milankovitch theory1'2 external climatic forcing results from changes in the orbital parameters of the Earth's path around the Sun which affect the amount of solar radiation received at the top of the atmosphere. The main periods during the past 5 Myr of the ...
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  • 31
    Electronic Resource
    Electronic Resource
    DNA-binding domain ancestry (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 134-134 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIRá€"We would like to point out a similarity between the DNA-binding domain of the Myb family of proteins and homoeodomain-containing factors. This relationship indicates a common ancestry for the DNA-binding domains of these two classes of eukaryotic nuclear regulatory proteins, ...
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    Annihilation of ecosystems by large asteroid impacts on the early Earth (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 139-142 
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    Notes: [Auszug] Large asteroid impacts produced globally lethal conditions by evaporating large volumes of ocean water on the early Earth. The Earth may have been continuously habitable by ecosystems that did not depend on photosynthesis as early as 4.44 Gyr BP (before present). Only a brief interval after 3.8 Gyr ...
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    Molecular outflows in protostellar evolution (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 161-163 
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    Notes: [Auszug] L1641 is the nearest (480 pc) giant molecular cloud in Orion showing evidence of extensive recent star formation5"7, and therefore providing a unique opportunity to carry out the statistical study required to address the evolutionary status of molecular outflow. We focus on the area of L1641 at ...
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    Reduced Nm23/Awd protein in tumour metastasis and aberrant Drosophila development (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 177-180 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The nm23 complementary DNA was identified by differential hybridization to messenger RNA from K-1735 melanoma lines of varying metastatic potentials2; nm23 RNA levels were uniformly reduced in high metastatic potential rodent cell lines (Fig. la). Human infiltrating ductal breast carcinomas from ...
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    lonomycin-regulated phosphorylation of the myeloid calcium-binding protein p14 (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 189-192 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have recently described a monoclonal antibody, designated mAb 5.5, that recognizes an epitope present in p8 and p!4 (refs 5, 6; I.E. et al, manuscript in preparation). In vivo the two proteins are noncovalently associated as a heterodimeric complex, indicating that they function as a dimer (J.E. ...
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    Association of a Ras-related protein with cytochrome b of human neutrophils (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 198-200 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Stimulation of human neutrophils with a variety of agents induces microbicidal responses which include the generation of superoxide anion at the cell surface1'3. The plasma membrane superoxide-generating system consists of a flavoprotein NADPH-oxidase4, which oxidizes intracellular NADPH, thereby ...
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    Catalogue of errors (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 2-2 
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    Notes: [Auszug] GOVERNMENTS everywhere have well-tried ways of avoiding unwelcome advice. One is to respond energeti-cally to the least unpalatable bits and to ignore the rest. That is how the British government responded, in 1982, to the trenchant and prophetic complaints of the House of Lords Select Committee on ...
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    Monsoon prediction model (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 4-4 
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    Notes: [Auszug] New Delhi ACCURATE predictions of the behaviour of the Indian monsoon for the past two years have bestowed a new confidence on the scientists of the Indian Meteorological Department (IMD) and their new long-range forecasting model. Monsoon fore-casts have great economic and even poli-tical ...
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    Unions turn green in Australia (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 6-6 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sydney CONCERN over the fate of South-East Asian rainforest has led Australian labour unions to take an interest in ecology. The Building Workers Industrial Union (BWIU) for the state of Victoria, noting the daily loss of 11 square kilometres of Malaysian forest, has banned the use of imported ...
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    Move raises problems (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 8-8 
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    Notes: [Auszug] Munich THE uncertain life of the West Berlin Academy of Sciences, which must leave its present home by July next year, seems destined to continue. Criticism from the opposition Social Democrats (SPD) in the Land of Hesse may prevent the beleaguered academy from moving there, despite earlier ...
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    Dupont battles with Cetus (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 9-9 
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    Notes: [Auszug] Washington A BATTLE over the lucrative market for the widely used DNA amplification tech-nique PCR (polymerase chain reaction) has set the US biomedical research com-munity buzzing. When Dupont announced in August a challenge to the PCR patents owned by Cetus (see Nature 341, 418; 1989) it ...
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    Six of one . . . (1989)
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    Nature 342 (1989), S. 12-12 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIRá€"Although one instinctively feels that all information is of value, the data quoted in your recent News and Views comment (Nature 341, 181; 1989) on the British National Survey of Sexual Attitudes and Lifestyles suggest that Mrs Thatcher was right to doubt its value. You ...
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    Variations without forcing (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 15-16 
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    Notes: [Auszug] ATMOSPHERIC conditions can vary over a vast spectrum of timescales á€" extending up to the Milankovic cycles operating over millenia and forced by variations in the Earth's orbit. But James and James warn on page 53 of this issue1 against reading too much into correlations between ...
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    Floodwaters mark sudden rise (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 20-21 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] GIVEN the wide public concern about the scale of rise in sea level that will occur as a result of the current global warming, many will be intrigued by new studies1 by J. Shaw of flooding events at the end of the last glacial. From the evidence of erosion and deposition in Saskatchewan, Canada, ...
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    Transcriptional silencing and lamins (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 24-24 
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    Notes: [Auszug] SIRá€"The SIR4 protein in the yeast Saccharomyces cerevisiae is required for transcriptional silencing of the HM mating-type loci and for high mitotic stability of silencer-containing plasmids. As a result of comparing the sequences of proteins involved in DNA replication and ...
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    Primary structure and functional expression of the inositol 1,4,5-trisphosphate-binding protein P 400 (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 32-38 
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    Notes: [Auszug] Cloning and expression of functional P400 protein from cerebellar Purkinje neurons shows that this protein is a receptor for inositol 1,4,5-triphosphate, a second messenger that mediates the release of intracellular ...
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    Critical currents near 10 6 A cm -2 at 77 K in neutron-irradiated single-crystal YBa 2 Cu 3 O 7 (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 55-57 
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    Notes: [Auszug] Thin films, in which we expect both different defects and a far higher defect density, can sustain supercurrents of 〉4x 105Acm~2 at 77 K and 20 kOe, with low dissipation levels4 (measured by magnetization). Until now, such high values have not been reported in bulk YBa2Cu3O7. Various methods of ...
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    Hydrothermal oil of Guaymas Basin and implications for petroleum formation mechanisms (1989)
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    Nature 342 (1989), S. 65-69 
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    Notes: [Auszug] Guaymas Basin, located in the central part of the Gulf of California, is part of a rift zone that links the East Pacific Rise in the south with the San Andreas Fault leading north. The tectonic graben-like basin is covered by thick layers of sediments (up to ~500m), consisting of diatomaceous ooze ...
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    Production of antibodies in transgenic plants (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 76-78 
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    Notes: [Auszug] The source of immunoglobulin mRNAs was a hybridoma cell line expressing a catalytic IgGj antibody (6D4) which binds a low molecular weight phosphonate ester (P3) and catalyses the hydrolysis of certain carboxylic esters. Constructs used for immunoglobulin expression in plants consisted of ...
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    Purified inositol 1,4,5-trisphosphate receptor mediates calcium flux in reconstituted lipid vesicles (1989)
    [s.l.] : Nature Publishing Group
    Nature 342 (1989), S. 87-89 
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    Notes: [Auszug] The Ins(l,4,5)P3 receptor protein was solubilized using CHAPS as a detergent, rather than Triton X-100 which has been used previously2, because Triton detergent is not compatible with the dialysis technique of vesicle reconstitution.5'6 The Ins(l,4,5)P3 receptor protein was purified as previously ...
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    Engineering monoclonal antibodies (1989)
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    Nature 342 (1989), S. 99-100 
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    Notes: [Auszug] MURINE monoclonal antibodies (mAbs) conjugated to drugs, isotopes, or toxins are being utilized as the targeting com-ponents of diagnostic and therapeutic agents for cancer, cardiovascular and other diseases. However, because of the limitations of administering nonhuman proteins, efforts to ...
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    California lessons (1989)
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    Nature 341 (1989), S. 673-674 
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    Notes: [Auszug] CALIFORNIANS are almost as taken aback that last week's earthquake should have killed fewer than 200 people as by the circumstance that there should have been a further relief of stress on the San Andreas Fault (see pages 676 and 677). In spite of the tragedy that now afflicts the families bereaved ...
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    Galileo takes off at last (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 675-675 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington ON Wednesday, 18 October, the spacecraft Galileo finally began its six-year journey to Jupiter. The space shuttle Atlantis took off after one more day of delay, due to weather, at 12.53 p.m. About seven hours later Galileo, released from the shuttle cargo bay, was steered by its own ...
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    First woman nominated (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 678-678 
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    Notes: [Auszug] Washington THE deputy director of the National Institute of Child Health and Human Development, Antonia Novello, is likely to be the next surgeon-general of the United States, replacing the forthright C. Everett Koop who left earlier this year. Selection of a replacement has been slow, it is ...
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    Death-knell for LD50? (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 680-680 
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    Notes: [Auszug] London BELIEVING that a more humane alternative now exists, the European Commission has decided to put a stop to the assessment of the toxicity of chemicals by the present LD50 (lethal dose — 50 per cent) criterion, in the determination of which large numbers of animals are killed. The ...
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    Plagiarism. (1989)
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    Nature 341 (1989), S. 682-682 
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    Notes: [Auszug] SIRá€"The view of the National Institutes of Health Investigating Committee as reported in Nature (340, 173; 1989) is surely mistaken. Plagiarism is not "at least as serious a misconduct in science as outright fabrication of experimental data". Both fabrication and plagiarism are ...
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    The future of research in medicine (1989)
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    Nature 341 (1989), S. 683-685 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] No ONE with any sense disagrees with the British government's aim to make the country's National Health Service (NHS) more effective. It is ironic therefore that its proposals for re-organization laid out in the White Paper Working for Patients, a statement of the government's intentions published ...
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    Controlling crystal growth (1989)
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    Nature 341 (1989), S. 689-689 
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    Notes: [Auszug] EPITAXY, from the Greek 'arranged upon', describes a mode of crystal growth in which the atoms of one crystal are registered perfectly on the atoms of another. (DNA can also be regarded as a kind of epitaxial structure, Watson and Crick originally suggesting that one DNA helix 'crystallizes' on ...
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    Twitching and switching (1989)
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    Nature 341 (1989), S. 690-691 
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    Notes: [Auszug] SINGLE-CELL recordings from both vertebrate and invertebrate neuronal networks suggest that certain types of neurons can be identified by their unique physiological characteristics. Usually, the local connections made by the cell are unknown, but it is generally assumed that each cell's functional ...
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    Hopeful genes and immunology (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 693-694 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH both environmental and genetic factors are believed to contribute to the pathogenesis and etiology of multiple sclerosis (MS), it is the genetic contribution which is attracting most attention in research laboratories at present, and which was the main focus of a recent workshop*. The ...
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    High table tales (1989)
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    Nature 341 (1989), S. 695-695 
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    Notes: [Auszug] SIRá€"Robert May (Nature 341, 386-387; 1989) has Haldane's famous beetle story elicited by a question from Jowett. Haldane was born (in Oxford) on 5 November 1892, Jowett died on 1 October 1893, having left Oxford in September of that year. So while they could have met, they ...
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    In the political orbit (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 697-698 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE recent flight past Neptune by Voyager 2, the culmination of a 12-year journey of discovery in the outer Solar System, was a triumph for the brand of space exploration championed by Bruce Murray in his book Journey into Space. With a relatively modest expenditure of money compared to annual ...
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    The Eagle Nebula (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 699-699 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Eagle Nebula (M16) - a detail taken from one of the prints in Precision Astrophotography, a set of 10 (llx 14 inch) photographs by Kim Zussman. The collection, together with two others in colour (The Finest Galaxies and Deep-sky Photography), is published by Kalmbach, 21027 Crossroads Circle, ...
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    Cooperative tandem binding of met repressor of Escherichia coli (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 711-715 
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    Notes: [Auszug] We present biochemical and genetic data to support the hypothesis that the Escherichia coli met repressor, MetJ, binds to synthetic and natural operator sequences in tandem arrays such that repression depends not only on the affinity of the DNA–protein interaction, but also on protein-protein ...
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    Biases in satellite-derived sea-surface-temperature data (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 728-731 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Three of the SST analyses we use here were produced at the Climate Analysis Center (CAC) of the US National Meteorological Center, and comprise an in situ, a satellite and a blended analysis. The in situ SST analysis uses radio-transmitted data from ships and buoys. The satellite analysis uses the ...
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    Separation of nitrogen and oxygen isotopes by liquid chromatography (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 727-728 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In addition to the conventional isotope separation methods including chemical exchange, distillation and ion-exchange chromatography, laser-based methods have been intensively studied recently. With the exception of ion-exchange chromatography1'6, these methods require special equipment for the ...
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    Arachidonic acid induces a long-term activity-dependent enhancement of synaptic transmission in the hippocampus (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 739-742 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A push-pull cannula was used to perfuse the dentate gyrus in anaesthetized rats, while recording extracellular synaptic potentials evoked by test stimuli delivered to the perforant path. Addition of arachidonic acid (200 jxM) to the artificial cerebro-spinal fluid for 35 min usually caused a slight ...
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    A macrophage Fc γ receptor and the mast cell receptor for IgE share an identical subunit (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 752-754 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Because Fc receptors are structurally and functionally related, the differences in their structural complexity are surprising: TABLE 2 Expression of FcyRII on the surface of transfected COS-7 cells Binding of labelled FACS ...
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    Correlation between the anaesthetic effect of halothane and saturable binding in brain (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 766-766 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Nature 328, 157-160 (1987). IN a previous issue of Nature, we reported that the anaesthetic effect of halothane correlated with the occupancy of a saturable chemical environment in rat brain1. We have extended these observations by examining the equilibration of halothane between cerebral ...
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    Fluorescence energy transfer shows that the four-way DNA junction is a right-handed cross of antiparallel molecules (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 763-766 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The in vitro construction of defined DNA junctions11'15'17 has been essential to the understanding of the structure of the four-way junction. The structure introduces a sharp bend in the DNA11. Using a technique related to that of Cooper and Hagerman12, we studied the configuration of a series of ...
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    Agricultural contest (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 554-554 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH it is high time that an influential body such as the National Research Council (NRC) complained that the US Department of Agriculture (USD A) should spend its research funds more intelligently (see page 561), it should not be surprised if its arguments fail to be reflected in the shape of ...
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    RNA's catalytic role (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), 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] London THIS year's Nobel prize for chemistry has been awarded jointly to Sidney Altman of Yale University and Thomas Cech of the University of Colorado, Boulder, for their independent discoveries that RNA can have catalytic activity. These discoveries may have profound implications for our ...
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    Soviet's Freudian slip (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 558-558 
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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] Athens THE Soviet Ail-Union of Psychiatrists and Narcologists (AUSPN) is preparing a special session on Freudian theory, and has already begun publishing Freud's collected works, Soviet psychiatrists told a press conference at the World Psychiatric Conference this week. Speaking on "Psychiatry ...
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    JESSI enters critical phase (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 559-559 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Munich As part of its commitment to the European microelectronics initiative known as JESSI (Joint European Submicron Silicon), West Germany announced on 28 September the foundation of a new institute for silicon technology. The institute will concentrate on the development of smaller memory ...
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    Resettlement demands (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 561-561 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Moscow TENS of thousands of people carried banners through the streets of Minsk, the capital city of Byelorussia, on 30 September to protest against delays and misinformation over the clean-up of contamination from the Chernobyl nuclear reactor explosion of April 1986. Although city ...
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    UK university rankings (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 562-562 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIRá€"In the UK university system, activity in research is widely held to nurture good teaching, but supporting evidence is hard to come by. Teaching quality is difficult to assess directly but might be reflected in the employment record of graduates. In conjunction with the ...
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    Complexities and strategies (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 566-567 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SET the difficult task of deciding the best research strategies in AIDS, participants at a recent meeting* were somewhat diverted, but not particularly cheered, by the recent US decision in favour of giving AZT, still the only licensed drug against HIV (human immunodeficiency virus), to those who ...
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    Small, beautiful and essential (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 569-571 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] HUMAN mitochondrial DNA (mtDNA) is remarkable both for its small size and for the immaculate economy of organization of the genes encoded by it1. Regarded by some as merely a relic of the event that brought a symbiotic bacterium into an ancestor of the eukaryotic cell, by others as a molecular ...
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    Moving proteins (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 575-575 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIRá€"Kucik et al.1 state that "no forward transport of particles has previously been reported" on locomoting cells and, again, that "only rearward transport of surface particles had been observed". This is not the case. As detailed in my recent review2 of the entire literature on ...
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    Mass loss in PSR 1957+20 (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 576-576 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIRá€"Although the precise mechanism of the eclipses in the binary system containing pulsar PSR 1957+20 is still unclear1"5, it is generally agreed1" that the ~ 0.02M0 companion1 in circular orbit (e 〈 0.0002) (ref. 2) is losing mass. Measurement of the mass-loss rate of this ...
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    The correlation business (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 579-579 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BORING stuff, stratigraphy á€" that seems to be a commonly held opinion in many quarters. To judge from the programme of the Twenty-eighth International Geological Congress in Washington last July, however, it is alive, well, and indeed so robust as to command an appreciable amount ...
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    Brief history of the Phobos mission (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 581-585 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] No spacecraft were sent to Mars for 13 years after the Viking 1 mission. This 'moratorium' was broken in 1988 by the launch of two Soviet spacecraft, Phobos 1 and Phobos 2. The main destination of the mission was not Mars, but Phobos, one of its two moons. This reflected the growing interest in the ...
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    Thermal imaging of the surface of Mars (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 593-595 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Multispeetral scanning is the best technique for the physical interpretation of the data obtained, providing the simultaneous FIG. 1 Scanning geometry In the session of 11 February 1989. a, Position of the spacecraft in scanning session, b, The areographic coordinates of the scanned area. ...
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    Magnetic fields near Mars: first results (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 604-607 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Phobos 2 carried two triaxial flux-gate magnetometers: the experiment MAGMA (magnetic fields near Mars) and the FIG. 1 Main boundaries and events observed by the FGMM and MAGMA experiments during the first three low-altitude elliptical orbits (El, E2 and E3) and during circular orbits (outer ...
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    Energetic ions in the close environment of Mars and particle shadowing by the planet (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 616-618 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FIG. 1 In the circular orbits around Mars (-6,900 km) in March 1989 the particle fluxes observed by SLED were enhanced because of solar and interplanetary activity. Arrows (bottom) indicate significant depressions in flux resulting from the shadowing by the body of the planet. The ...
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    Tropospheric lifetimes of halogenated anaesthetics (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 635-637 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Halothane, enflurane and isoflurane are popular potent inha-lation anaesthetics4. Almost all of the administered doses will end up in the atmosphere5, but only those species with a tropos-pheric lifetime of more than about two years will reach the stratosphere in significant quantities. The ...
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    Cortical magnification factor and the ganglion cell density of the primate retina (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 643-646 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There are three main problems in quantifying the ganglion cell density gradient of a primate retina. First, the population of displaced amacrine cells has to be estimated. In all mammalian retinae it is difficult to distinguish displaced amacrine cells from ganglion cells15'16. Second, in the ...
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    Identification of a novel retinoic acid receptor in regenerative tissues of the newt (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 654-657 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To identify RARs that could participate in amphibian limb regeneration, we screened an amplified newt-forelimb blastema Xgtll cDNA library with a human RARa probe11 under low-stringency hybridization conditions. Fifty plaques out of a population of 1.2 x 106 gave positive signals and five of these ...
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    Kluyveromyces lactis toxin does not inhibit yeast adenylyl cyclase (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 666-668 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The addition of toxin to a culture of sensitive 5. cerevisiae cells leads to a cessation of cell division within 1-2 generations, as indicated by the complete block in accumulation of cells after treatment with toxin (Fig. la). In treated cultures, we saw no further increase in cell numbers for ...
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    Austrian innovation covered by US patent (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 473-473 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Paris Groupe Limagrain's legal adviser said last week that a literature search had been carried out before the agreement with CSIRO was signed, but added that he was in the process of studying the dossier on gene shears. He would not say whether Groupe Limagrain had decided to go ahead with the ...
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    Greenhouse seen from South Pole? (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 473-473 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] London A SIGNIFICANT loss of snow and ice near the British Antarctic Survey (BAS) base at Rothera has been recorded, according to a Natural Environment Research Council (NERC) report, but whether the inferred temperature rise is symptomatic of greenhouse wanning or the result of a natural climate ...
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    Indian dams go ahead (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 474-474 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Bangalore To the disappointment of Indian environmentalists, the World Bank has not only agreed to provide around 10 per cent of the estimated cost of the gigantic Nar-mada Sagar-Sardar Sarovar dam project but has also expressed its satisfaction over the plans drawn up to resettle the people ...
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    Next US tokamak in question (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 476-476 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington WITH both sides professing to have the best interests of the US nuclear fusion research programme at heart, the fusion physics community and the Office of Energy Research at the Department of Energy (DoE) are displaying a remarkable capacity to derive opposite conclusions from the ...
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    New plan for Mono Lake (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 478-478 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] San Francisco MONO Lake, in northern California, is a unique ecological site, with hundreds of migratory bird species attracted to the algae and brine shrimp that thrive in its alkaline waters, and a tourist attraction too, drawing hundreds of thousands of visitors every year to see the ...
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    Problems at Max Planck (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 480-480 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIRá€"I would like to respond to your article on the structural problems of the Max Planck Society (MPS) (Nature 340; 335;1989). The MPS does not consist only of directors and slaves; there is also a sizeable number of middle-rank employees (equivalent to tenured associate ...
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    Women in physics (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 480-480 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIRá€"Only 130 out of 1,302 doctorates granted in physics in the United States in 1988 went to women (Nature 340, 417; 1989). In the same issue, you wrote "By now, of course, every schoolboy knows that the quintessential point in space-time is the occasion of the Big Bang ..." ...
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    Baikal centre takes step forward (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 481-481 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Listvianka (on Lake Baikal) How do you set about founding an international research centre the like of which has not been seen before? That is the question with which a group of Soviet and overseas limnologists wrestled last week. They got as far as signing a declaration of intent, but the hard ...
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    Firm base for basal body DNA (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 485-486 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BASAL bodies and their alter ego the centriole are amongst the most enigmatic cell organelles1. They seed the growth of flagella and cilia, they have a complex pin-wheel structure (see figure), they can undergo Jeckyll and Hyde-like inter-conversion at specific points in the cell cycle and, most ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/341485a0
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    Hot bubbles drive explosions (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 489-490 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] OUR understanding of the initial moments of a supernova was convincingly confirmed by the events following SN1987A: the exhausted core of a main-sequence star collapses under its own weight and emits a massive pulse of neutrinos. Several hours later the explosion of a highly evolved, 12-solar-mass ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/341489a0
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    Quick reactions (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 490-490 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MICROWAVE heating is bringing about a small revolution in chemistry. All sorts of reactions go much faster in a microwave oven than over a traditional burner, and it is hard to believe that the effect is merely thermal. Daedalus points out that many molecules, and most reaction intermediates, have ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/341490a0
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