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  • 1992  (3,749)
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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 707-707 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] NEW calculations by Caldeira and Kast-ing on page 721 of this issue1 are about the destiny and ultimate demise of the biosphere - which is both dependent on and vulnerable to the evolution of our main-sequence star, the Sun. Their cal-culations provide the best estimate to date as to when the ...
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  • 2
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 711-712 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DWARFS and giants have been cele-brated and feared throughout the ages, but recently they have figured large in establishing the molecular basis of the pituitary hormonal pathway that controls growth. Two new papers, by Lin et al. on page 765 of this issue1, and by Mayo in a recent issue of ...
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  • 3
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 713-714 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Is 'Western science', that is science as we know it today, purely a creation of Western civilization? Have other civiliz-ations also played important roles in the creation and development of science? Or are all non-Western cultures simply bit players in the great 'history of human wonder and ...
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  • 4
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 717-719 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As the typical coronal temperature is 2 x 106 K and the coronal plasma is therefore fully ionized, density inhomogeneities show up in white-light images of the eclipse thanks to Thomson scattering of the Sun's light from free electrons. At equal radial distances, pressure differences observed at ...
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  • 5
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 723-726 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Very few laboratory experiments have been done under fully simulated lower-crustal conditions to estimate the contribution of electrolytes to the in situ rock conductivity, and only one study, to our knowledge, examined carbon-bearing rock14. Here we examine carbon-bearing and carbon-free ...
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  • 6
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 726-728 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Periodic volcanism has occurred on the Kaapvaal craton in southern Africa since the Archaean era, and each episode will have modified the composition of the subcontinental lithos-pheric mantle in which the magmas were generated or through which they passed, or in other words caused mantle ...
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  • 7
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Konso-Gardula (KGA) is on the western flank of the rift in the Segen River's headwaters north of Konso town (Fig. 1). Precambrian basement and 〉50m of Plio-Pleistocene deposits are exposed across 12x5 km between 1,200 m and 1,400 m alti-tude. The local dip of Plio-Pleistocene strata approximates ...
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  • 8
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 705-706 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] NOT since the Rothschild report of more than twenty years ago has Britain's scientific com-munity experienced such ferment over plans for its own future. At that time, it was Lord Rothschild's proposal that applied research be placed on a "customer-contractor" basis that stimulated heated exchanges ...
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  • 9
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 709-710 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHEN Lady Macbeth said "yet who would have thought the old man to have had so much blood in him", she had no notion of how much younger than the victim that blood was. The granulocytes in the blood had been released from his bone marrow only a few hours earlier, and the red cells within the ...
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  • 10
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 712-712 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DAEDALUS is surprised that astronomy works at all. We see the stars and galaxies through a thin veil of interstellar gas. It may be very tenuous, but surely it should blot out almost all distant objects by its sheer enormous thickness? If the enigmatic 'dark matter' of the Universe is also ...
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  • 11
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 715-717 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Over the past two decades it has become clear that tidal forces between disk galaxies can extract ribbon-like 'bridges and tails'; still controversial is the conjecture that disk galaxies can merge to form elliptical galaxies6. One counter-argument to this merger hypothesis is that dwarf elliptical ...
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  • 12
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 721-723 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FIG. 1 Diagram illustrating the positive and negative influences represented in our model. System behaviour may be understood by examining the response to an increase in solar luminosity (S). Increasing S warms the Earth, increasing 7". This enhances both the weatherability of silicate rocks (Fwr) ...
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  • 13
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] 146Sm decays to 142Nd with a half-life of 103 Myr. The presence of 'live' 146Sm in the early Solar System is well established on the basis of several achondrite mineral isochrons; the initial abundance of 146Sm is now established4'9-14 at 146Sm/144Sm = 0.0078 ±0.0010 at 4,566 Myr. Because ...
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  • 14
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the process of defining the regulatory elements required for spatially restricted domains of Hox-B expression, we have produced lines of mice carrying Hox/ lacZ transgenes that repro-duce the endogenous pattern of Hox-Bl expression, including its ability to respond to retinoic acid22 (H.M. et ...
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  • 15
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Bone marrow cells from mucopolysaccharidosis (MPS) VII mice were infected with the NTK-BGEO vector7'8'11'12 (Fig. la) and transplanted intravenously into eight lethally irradiated adult MPS VII recipients. Spleens from two mice examined 11 days after transplantation contained ...
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  • 16
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The facial nerve of newborn rats was sectioned unilaterally at birth and the effects of three neurotrophins (nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF) and neurotrophin-3 (NT-3)) assessed 7 days later. This nerve was chosen for lesion and local application of neurotrophins ...
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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] Expression screening approaches have identified a new sub-family within the large family of G-protein-coupled seven-trans-membrane-helix receptors (reviewed in ref. 18), including the secretin19), parathyroid20, calcitonin21 and, most recently, vasoactive intestinal peptide (VIP) (ref. 22) ...
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  • 18
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 768-768 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Nature 358, 493-495 (1992) IN this letter dealing with cooperative breeding on the Cousin and Cousine Islands in the Seychelles, in four places in the text Cousin is referred to instead of Cousine. These are in the following places: Line 22 in the right-hand column on page 494; and in lines 1, 4 ...
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  • 19
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 768-768 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Nature 357, 698-700 (1992) IN Fig. 2 of this letter, the last five amino acid residues (401-405) were not shown. They are ...
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  • 20
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 768-768 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Nature 354, 82-84 (1991) IN this paper we inadvertently omitted to cite the work of Furka and colleagues (A. Furka, F. Sebestyen, M. Asgedom and G. Dibo 14th Int. Congr. Biochem. FR013; 1988), who independently described a similar synthetic method for producing multiple peptide sequences (which we ...
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  • 21
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 613-613 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WITHIN the past several days, US President-elect Bill Clinton, with Vice-President and future technology czar Al Gore at his side, has named people to cabinet and other high-level posi-tions in his administration that, taken together, give clues about how the Clinton White House will handle science ...
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  • 22
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 615-615 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Tokyo. After years of lobbying by foreign scientists, Tsukuba science city northeast of Tokyo at last has an international school to educate some of the children of the city's large community of foreign scientists. Tsukuba International School, which opened in September, is only a small start ...
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  • 23
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 617-617 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington. Plans by a US philanthropist to spend $100 million on science in the former Soviet Union during the next several years must somehow find a way to overcome the logistical nightmare of finding and funding the right scientists. George Soros, a financier who made a billion dollars ...
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  • 24
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 618-618 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Munich. The European Molecular Biology Conference, the intergovernmental body that finances the Heidelberg-based European Molecular Biology Organization (EMBO), has voted to include three new members: Turkey, Croatia and Portugal. The current membership is limited to 15 Western European countries, ...
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  • 25
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 620-620 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Despite a certain partiality (11 references to Tokyo University in 9 pages), some of the observations made by John Maddox and David Swinbanks in their report on "Science in Japan" (Nature 359, 573-582; 1992) were so ironically succinct as to make us both groan and laugh in affirmation. That ...
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  • 26
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 620-620 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Declan Butler's statement that "research in plant physiology will be phased out during the next three years" at the Commissariat a TEnergie Atomi-que (CEA, Nature 359, 568; 1992) has caused some concern to researchers here. In fact, only microalgae biotechnology and radioagronomy are to ...
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  • 27
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 623-623 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE profound satisfaction that comes from contemplating the destruction of our entire planet is presumably an infinitely multi-plied form of the satisfaction we get from watching the bad guy's car, at the end of a movie, speed over the edge of a cliff, plunge into a rocky chasm, and burst into ...
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  • 28
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 626-626 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SYMMETRY arguments are standard tools of the trade in theoretical chemistry and physics. Their power lies in the way they deliver reassuringly definite predictions. Sulphur hexafluoride (SF6) is centrosym-metric and octahedral at equilibrium. Can it support a permanent dipole mo-ment? (No.) Are all ...
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  • 29
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 629-630 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONE obvious and effective way of under-standing the Earth's upper mantle is to study nodules (xenoliths) of mantle peridotite that are brought to the surface by volcanic eruptions. Unfortunately, the vast majority of mantle xenoliths are hosted by magmas that erupt well away from plate margins, few ...
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  • 30
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 631-632 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BY giving mice a gene that nature failed to, or, perhaps by a quirk of evolution, carelessly lost, R. M. Lawn and col-leagues have managed to develop an animal model for atherosclerosis. The gene, for the blood protein apolipo-protein («), is apparently missing from rodents and most other ...
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  • 31
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 632-632 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DAEDALUS once invented a steam lawnmower that burnt its own cuttings. The longer and thicker the grass, the more copious its fuel supply and the more vigorously it worked; and when its task was completed it stopped automatically. He now links this idea to his plan of last week for an agricultural ...
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  • 32
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    Nature 360 (1992), S. 634-635 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Occasionally one reads of anec-dotal references about researchers who have discovered microorganisms that have been preserved for thousands of years. Some researchers have even re-vived and isolated these organisms. Ex-amples include the isolation of organisms from spores upon opening a tomb ...
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  • 33
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 636-636 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Peng et al.l reported apparent long-range correlations within various intron-containing gene sequences up to length scales of about 10 kb, but not in intronless genes. Voss2 later reported such correlations, manifested as spectral density estimates that obey the 1///J law, where /3 ~ 0.8, in ...
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  • 34
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    [s.l.] : Nature Publishing Group
    Nature 360 (1992), S. 638-639 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ROBERT X. Cringely is the pseudonym of the author of this very readable and entertaining book about the history of the modern computer industry and the personalities behind it. The mask evokes as many rumours as the book itself, because Cringely writes the gossip column for Infoworld, which is read ...
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  • 35
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    Nature 360 (1992), S. 641-646 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Between 10 and 20 million years ago, a variety of hominoid primates lived in Africa, Europe and Asia. The question of which of these, if any, lie closest to the ancestries of humans and modern apes remains a lively source of debate. Recent fossil discoveries, though, shed light on the environments ...
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  • 36
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Radiometry obtained since 1978 by the Nimbus 7 and Solar Maximum Mission satellites, spanning more than one 11-year solar activity cycle, showed that the solar total irradiance (the 'solar constant') decreased by 0.08% between the 1980 activity maximum and the 1986 minimum, and then began slowly to ...
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  • 37
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    Nature 360 (1992), S. 505-505 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - In a recent book review (Nature 360, 25; 1992), Richard Dawkins comes close to admitting that evolution by Darwinian selection is so obviously a priori true in this and all other imagined worlds that it belongs to a category of knowledge that 'is more important than the facts that just happen ...
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  • 38
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    Nature 360 (1992), S. 506-506 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Michael Ignatius's concerns1 bet-ray, at best, an excessively narrow view of the place of review articles in modern interdisciplinary research and, at worst, a fundamental misunderstanding of the methods employed in a machine litera-ture search. The salient question about his exam-ple - ...
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  • 39
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    Nature 360 (1992), S. 511-511 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONCE every three years, the Swedish government publishes a bill setting out its future priorities for science. The last one, produced at the beginning of 1990, antici-pated a period of rising research budgets and expressed a desire for "continuity and renewal" in relation to the policies of the ...
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  • 40
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    Nature 360 (1992), S. 513-513 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE geographical isolation of Nordic scientists has long provided an incentive for collaboration with colleagues in other countries, both within Scandinavia and further abroad. A recent study carried out for the Nordic Council of Ministers has shown that the volume of inter-Nordic collaboration ...
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  • 41
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    Nature 360 (1992), S. 518-519 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AARHUS (correctly spelled Arhus) is an agricultural market town in the western province of Denmark which is dominated by a new, quickly growing and excellent university. If you arrange to get there by air and early in the morning, at this time of the year the place will look like a Japanese print, ...
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  • 42
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    Notes: [Auszug] Saccharomyces cerevisiae contains at least two FK506-binding proteins, a cytosolic protein (yFKBP-12) of Mr 12,000 (12K) and a 13K membrane-associated protein (yFKBP-13)7. Here we report the characterization of a high-molecular-weight binding complex. Extracts incubated with [3H]dihydro-FK506 and ...
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  • 43
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    Nature 360 (1992), S. 695-695 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Nature 351, 579-583 EXAMINATION of the sequence for a homologue of the poly-peptide described in the above paper (EMBL accession number X62160) raised the possibility that a small segment of the rat sequence as originally reported was in an incorrect translational frame. We have closely ...
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  • 44
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    Nature 360 (1992), S. 499-499 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE world embarked on a perilous military venture last week when the United Nations resolved to invade Somalia for humanitarian purposes. An estimated two million Somalis, their stomachs bloated, their ribs showing, are said to be in danger of imminent starvation because warring clan lords are ...
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  • 45
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    Nature 360 (1992), S. 501-501 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington. After passing Earth at close range for the second time on 8 December, the Galileo spacecraft is now finally on its way to Jupiter, its ultimate destination. Its main antenna remains partially unfurled, severely curtailing its data transmission ca-pacity, but mission planners at the ...
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    Nature 360 (1992), S. 503-503 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington. Fusion research at the Prince-ton Plasma Physics Laboratory (PPPL), one of the principal US fusion research centres, would be shut down for as long as nine years under a recent plan submitted to the US Department of Energy (DOE). The Fusion Energy Advisory Committee, which was asked by ...
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    Nature 360 (1992), S. 503-503 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington. A proposal that the US gov-ernment should collect more data on re-search animals has renewed debate about the flaws in the existing system. Although many researchers believe that additional information is unnecessary and could be used by activists campaigning to eliminate animals from ...
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    Nature 360 (1992), S. 504-504 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington. Continuing its efforts to ex-pand outside the United States, the wealthy Howard Hughes Medical Institute is weigh-ing the idea of supporting researchers in the republics of the former Soviet Union and Eastern Europe. Purnell Choppin, the Hughes president, says that the institute is ...
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    Nature 360 (1992), S. 506-506 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] SIR - In the 10 years or so I have done editorial work for the Journal of the American Chemical Society (JACS), I have from time to time incurred the anger of authors whose papers I felt it my duty to reject, both with and without advice from referees. One colleague threatened a lawsuit, one ...
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    Nature 360 (1992), S. 510-510 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WILL entry into Europe mean the end of efforts to increase inter-Nordic coopera-tion in research? In the short term, most people agree that the impact will, indeed, be negative. Looking longer ahead - or perhaps just being more optimistic - the argument is that, once membership of the European ...
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    Nature 360 (1992), S. 513-513 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EVER since the Middle Ages, Sweden has welcomed foreign scholars to its univer-sities. The benefits have been mutual, since the Swedish academic community has used these visits to keep in touch with the outside world of scholarship. But many of today's scientists find it difficult to work separated ...
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    Nature 360 (1992), S. 515-515 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MANY success stories have modest beginnings. Back in the mid-1970s - or so they like to tell it in Stockholm - a small Swedish venture capital company called Kabigen agreed to buy the air-ticket of a young Californian entrepre-neur invited to Sweden to discuss collabo-ration on a joint research ...
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Rapid progress has been made in understanding the system-atics of heavy alkali intercalation into the interstices of crystal-line C60 fullerene3'4. Attention has mainly been focused on [MyM'1_〉)]xC6o binary and ternary face-centred-cubic (f.c.c.) compounds with x = 3 and where M and M' represent K, ...
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    Nature 360 (1992), S. 413-413 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DECIDING whether the Universe will expand forever or instead one day fall back on itself is very easy. All one needs to do is find two objects of identical luminosity, one nearby and one farther away, and measure their apparent brightnesses. For uniform cosmological models in which the single ...
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    Nature 360 (1992), S. 546-546 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] OUR 'big sister' Andromeda is one of a handful of galaxies that can be seen with the naked eye. Many readers may recall its being pointed out to them when they were young, with hushed tones re-minding them that its light had started out on its two-million-year journey before humans had evolved. ...
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    Nature 360 (1992), S. 420-420 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] GENE therapists exercise their skills with high-tech tools borrowed from viruses to correct faulty genes in cells. A different approach to the same end is described by R. Stribling et al., who used cationic liposomes to wrap up a prokaryotic gene for direct delivery by aerosol into the lungs of ...
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    Nature 360 (1992), S. 420-421 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] MAJOR advances in the cloning of neurotransmitter transporters over the past three years make this the best of times to examine how these high-affinity reuptake systems terminate synaptic transmission. The notable exceptions to this cloning onslaught have been the eagerly anticipated DNA sequences ...
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    Nature 360 (1992), S. 576-578 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To test for a relationship between species diversity and sedi-ment particle size diversity (referred to as sediment diversity) we collected quantitative benthic samples from bathyal depths (250-3,029m) in the western North Atlantic. We used 0.25m2 boxcores from the Atlantic Continental Slope and ...
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Careful observations of the size distribution of n.s.s. SOj" in the MBL have shown that a substantial fraction of it is found in large, predominantly sea-salt particles5"7. These large particles have high dry deposition rates, and removal of sulphur in this way to the ocean's surface must be ...
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    Nature 360 (1992), S. 583-585 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Experiment 1 reproduced the conditions of Warren and Han-non13 except we used constant, faster rotation rates (actual or simulated) from 0 to 5 deg s"1 and a vertical axis of rotation. In addition, the fixation point was positioned slightly above the horizon and moved independently of the ground ...
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    Nature 360 (1992), S. 585-587 
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    Notes: [Auszug] We stimulated natural viewing of a set of inducing discs which were partially occluded by an 'invisible' three-dimensional sur-face having no contrast with the surround4'12 (Fig. 1). Relative depth information could be presented using either or both motion and stereo cues: motion parallax was ...
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    Nature 360 (1992), S. 701-701 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] San Francisco. Seed money from the Uni-versity of California (UC) would fund start-up companies based on faculty inventions under a plan to bolster projects languishing between government funding and commer-cial development. A new, for-profit Tech-nology Development Corporation, of which the ...
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    Nature 360 (1992), S. 449-451 
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    Notes: [Auszug] We have measured the N2O content in air trapped in the deep ice core from Byrd Station, Antarctica, drilled in 1968 (ref. 9). Ice samples (-500 g) were milled in a dry extraction vacuum system with a milling cutter to open the air bubbles10"12. CO2 was separated at liquid nitrogen temperature from ...
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    Nature 360 (1992), S. 452-454 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The 1969 paper of Goldreich and Toomre11 renewed the interest of the geophysical community12 in the role of polar wandering in Earth's dynamics. Their example of a colony of beetles crawling on the surface of a quasi-rigid Earth suggests that large excursions of the axis of rotation with respect to ...
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Viscous fingering11'18 is the process by which a complex interface develops when a fluid of lower viscosity is injected into a more viscous one; the driving fluid may penetrate, rather than grossly displace, the stationary fluid, with some of the more viscous fluid remaining behind the interface in ...
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    Nature 360 (1992), S. 399-399 
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    Source: Nature Archives 1869 - 2009