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  • Nature Publishing Group
  • 1995-1999  (21)
  • 1999  (21)
  • 1
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    Nature Publishing Group
    In:  Nature, 397 (6718). pp. 389-391.
    Publication Date: 2015-07-16
    Type: Article , PeerReviewed
    Format: text
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  • 2
    Publication Date: 2021-02-25
    Description: The El Niño/Southern Oscillation (ENSO) phenomenon is the strongest natural interannual climate fluctuation1. ENSO originates in the tropical Pacific Ocean and has large effects on the ecology of the region, but it also influences the entire global climate system and affects the societies and economies of manycountries2. ENSO can be understood as an irregular low-frequency oscillation between a warm (El Niño) and a cold (La Niña) state. The strong El Niños of 1982/1983 and 1997/1998, along with the more frequent occurrences of El Niños during the past few decades, raise the question of whether human-induced 'greenhouse' warming affects, or will affect, ENSO3. Several global climate models have been applied to transient greenhouse-gas-induced warming simulations to address this question4, 6, but the results have been debated owing to the inability of the models to fully simulate ENSO (because of their coarse equatorial resolution)7. Here we present results from a global climate model with sufficient resolution in the tropics to adequately represent the narrow equatorial upwelling and low-frequency waves. When the model is forced by a realistic future scenario of increasing greenhouse-gas concentrations, more frequent El-Niño-like conditions and stronger cold events in the tropical Pacific Ocean result
    Type: Article , PeerReviewed
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  • 3
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    Nature Publishing Group
    In:  Nature, 402 . pp. 366-367.
    Publication Date: 2017-02-28
    Type: Article , PeerReviewed
    Format: text
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  • 4
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    Nature Publishing Group
    In:  Nature, 397 . pp. 243-246.
    Publication Date: 2017-02-28
    Description: The overflow and descent of cold dense water from the Denmark Strait sill-a submarine passage between Greenland and Iceland-is a principal means by which the deep ocean is ventilated, and is an important element in the global thermohaline circulation. Previous investigations of its variability-in particular, direct current measurements(1,2) in the overflow core since 1986-have shown surprisingly little evidence of long-term changes in now speed. Here we report significant changes in the overflow characteristics during the winter of 1996-97, measured using two current-meter moorings and an inverted echo sounder located at different depths in the fastest part of the now. The overflow warmed to the highest monthly value yet recorded (2.4 degrees C), and showed a pronounced slowing and thinning at its lower margin. We believe that the extreme warmth of the overflow caused it to run higher on the continental slope off east Greenland, so that the lower current meters and the echo sounder were temporarily outside and deeper than the fast-flowing core; model simulations appear to confirm this interpretation, We suggest that the extreme warmth of the overflow is a lagged response to a warming upstream in the Fram Strait three years earlier (caused by an exceptional amplification of the winter North Atlantic Oscillation). If this is so, over-now characteristics may be predictable.
    Type: Article , PeerReviewed
    Format: text
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 399.1999, Supplementary, A23-, (9 S.) 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Studies of the molecular basis of Alzheimer's disease exemplify the increasingly blurred distinction between basic and applied biomedical research.The four genes so far implicated in familial Alzheimer's disease have each been shown to elevate brain levels of the self-aggregating amyloid-β ...
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 399.1999, Supplementary, A15-, (8 S.) 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Epilepsy, a brain disorder that is characterized by recurrent seizures, refers to a collection of disorders that affect 1–2% of the population worldwide. A seizure is a brief change in behaviour caused by the disordered, synchronous and rhythmic firing of populations of neurons in the ...
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 399.1999, Supplementary, A32-, (8 S.) 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Parkinson's disease (PD) is one of the major neurodegenerative disorders of middle and old age, and was originally described by James Parkinson in 1817. It is characterized by a trio of cardinal symptoms—muscle rigidity, tremor and bradykinesia—but can also involve postural deficits and ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 399.1999, Supplementary, A7-, (8 S.) 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There is growing optimism among researchers in the field of brain ischaemia, as human stroke has at last become treatable and current research efforts delineate several new, potential therapies. Most strokes are caused by acute interruption of the brain arterial blood supply by a thrombus, leading ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 399.1999, Supplementary, A40-, (8 S.) 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The cause of multiple sclerosis remains unknown after more than a century of study. Unconfirmed work has once more indicated that a viral infection may be important in the aetiology of the disease, and there is considerable evidence for an important genetic influence on disease susceptibility. The ...
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  • 10
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Dimerization is a biological regulatory mechanism employed by both soluble and membrane proteins. However, there are few structural data on the factors that govern dimerization of membrane proteins. Outer membrane phospholipase A (OMPLA) is an integral membrane enzyme which participates in ...
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  • 11
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 398 (1999), S. 4-5 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] On 13 January this year, Brazil suffered a shock which, if you listen to some commentators abroad, shook it to its very core. In São Paulo the following week, however, the locals were unfazed. By Latin American standards, a devaluation of 25 per cent (later 45 per cent) is not much to get ...
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  • 12
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 398 (1999), S. 7-9 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ...Last year, Luis Herrera-Estrella thought he saw an opportunity to use his science to contribute to Mexico's economy. Herrera-Estrella, a plant biotechnologist at the Centre for Research and Advanced Studies of the National Polytechnic Institute (CINVESTAV), was one of several scientists invited ...
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  • 13
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 398 (1999), S. 9-20 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The challenge of combining high-quality basic research with a mission to address the country's wider needs is embodied in the experience of UNAM's Nitrogen Fixation Research Centre, in Cuernavaca. The centre was founded in 1980 with the aim of studying the molecular basis of biological nitrogen ...
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  • 14
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 398 (1999), S. 10-10 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Even for those fortunate scientists in Latin America who manage to obtain adequate funding, have bright graduate students to work with and fast Internet links connecting them to the world of science, a major obstacle remains on the road to first-rate research: fast access to equipment and ...
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  • 15
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 398 (1999), S. 11-12 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ...Whichever way you look at it — by the reputation of its leading researchers abroad or the orderliness of its universities, by the amount its government spends on science or the number of papers its researchers publish each year in international journals — Chile's small scientific ...
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  • 16
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 398 (1999), S. 13-13 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ...Many astronomers regard Chile as the best place on Earth for astronomy. A stroll at night outside the dome at the Cerro Tololo Inter-American Observatory (CTIO) near La Serena in northern Chile reveals why. The sky is crystal clear, and so still that stable images of stars are a near certainty. ...
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  • 17
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 398 (1999), S. 14-15 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ...After a hectic day fighting to save his country from currency contagion — it's Monday on the week after the Brazilian réal collapsed, and speculators have the Argentinian peso in their sights — the Argentinian chef de cabinet, Jorge Rodríguez, is relaxed and relieved to ...
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  • 18
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 398 (1999), S. 16-18 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ...One of the least welcome tasks facing researchers at the Federal University of Rio de Janeiro — the second largest research university in Brazil — is to review grant applications from their colleagues 300 miles inland in São Paulo. “They ask for money for ...
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  • 19
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 398 (1999), S. 19-19 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ...This year, if schedules hold, Brazil will finally realize its 20-year ambition to join the first rank of spacefaring nations. The agenda for 1999 has all the ingredients of a mature space programme, from the debut of a new Brazilian rocket to the selection of astronauts to fly on the ...
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  • 20
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 398 (1999), S. 20-21 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ...The people of the Amazon basin are among the poorest of South America, but the region's rainforests are home to the richest diversity of life in the world. The potential of that wealth for the region was recognized implicitly for the first time in 1992, when representatives of 150 nations ...
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  • 21
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 398 (1999), S. 22-23 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ...“Cuba's future must, by necessity, be a future of scientists,” Fidel Castro declared in 1960, soon after the Cuban revolution. Almost 40 years later, his prophesy is some way from fulfilment. But in one area of applied science — biotechnology — a concerted national effort ...
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