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  • Kaiser, D.  (122)
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Year
  • 1
    Article
    Article
    Language: English
    In: Nature, September 2019, Vol.573(7775), pp.487-490
    Description: In some ways, the British were playing catch-up. Since the mid-nineteenth century, local universities throughout the German-speaking states had been recruiting academic talent in contests for prestige - latter-day Galileos were snatched up by government-funded institutions. Before long, he was consulting...
    Keywords: Government ; History ; Policy ; Research Management
    ISSN: 00280836
    E-ISSN: 1476-4687
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  • 2
    Article
    Article
    In: Nature, 2011, Vol.472(7341), p.30
    Description: One hundred and fifty years ago this week, on 10 April 1861, the Massachusetts Institute of Technology (MIT) received its charter. Although hardly the oldest institution of higher learning in the Anglo-American world — Harvard University was already well into its third century by then, and the British universities of Cambridge and Oxford were each on the cusp of their eighth — MIT quickly became a trendsetter. Founder William Barton Rogers built a curriculum around the school's motto Mens et manus: mind and hand. He and his faculty members incorporated laboratory instruction into the most elementary undergraduate courses and fostered close ties between basic science and the practical arts — pedagogical innovations that quickly inspired many imitators.
    Keywords: Sciences (General) ; Physics;
    ISSN: 0028-0836
    E-ISSN: 14764687
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  • 3
    Article
    Article
    In: Nature, 2014, Vol.505(7482), p.153
    Keywords: Research -- History;
    ISSN: 0028-0836
    E-ISSN: 14764687
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  • 4
    Article
    Article
    Language: English
    In: Nature, 30 July 2015, Vol.523(7562), pp.523-5
    Keywords: World War II ; Military Personnel -- Education ; Nuclear Weapons -- History ; Physics -- Education
    ISSN: 00280836
    E-ISSN: 1476-4687
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  • 5
    Article
    Article
    In: Nature, 2017, Vol.543(7644), p.176
    Keywords: Military Science -- Analysis ; Satellites (Spacecraft) -- Technology Application;
    ISSN: 0028-0836
    E-ISSN: 1476-4687
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  • 6
    In: Nature, 2012, Vol.492(7429), p.345
    Description: Rather than rely on the scientists to police themselves or wait for the US National Institutes of Health to dispatch safety guidelines, the mayor of Cambridge, Alfred Vellucci, convened public hearings on the topic. In the 1970s, biologists were not relied on to regulate matters of much broader concern on their own, despite their much-heralded initial efforts to self-govern. [...]the involvement of many other players did not quash scientific research and communication, but helped molecular biology and biotechnology to thrive. *
    Keywords: California ; United States–Us ; Espionage ; Classification ; Studies ; Life Sciences ; Avian Flu ; Biomedical Research ; Censorship ; Jurisdiction ; Deoxyribonucleic Acid–DNA ; Public Hearings ; World War II;
    ISSN: 0028-0836
    E-ISSN: 14764687
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  • 7
    Language: English
    In: Nature, Dec 20, 2012, Vol.492(7429), p.345(3)
    Keywords: Influenza Research – Censorship ; Influenza Research – Ethical Aspects
    ISSN: 0028-0836
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  • 8
    Language: English
    In: Seminars in Pediatric Neurology, December 2013, Vol.20(4), pp.242-245
    Description: Our brain activity demonstrates amazing stability across multiple time frames ranging from a few milliseconds to several hours. The longer cycles are commonly called ultradian rhythms and they correspond to infralow frequencies (ILFs) in the milli-Hz range (0.001 Hz). Ultradian rhythms between 90 minutes and 2 hours or longer are readily observed in our electroencephalogram, and they reflect periods of activity and rest, cycles of cortical excitability and plasticity followed by relative inactivity. Our nightly sleep is organized into similar stages (rapid eye movement and non–rapid eye movement sleep) as is our daily behavior (ie, the basic rest-activity cycle). Astrocytes often exhibit milli-Hz ILFs, and they play a major role in shaping neuronal plasticity and activity, and thus may organize or influence the basic rhythms of sleep and waking. The nature and importance of astrocytes in human brain functioning is subsequently reviewed.
    Keywords: Medicine
    ISSN: 1071-9091
    E-ISSN: 1558-0776
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  • 9
    Language: English
    In: Chemosphere, June 2016, Vol.153, pp.39-47
    Description: Sediment cores from the central Beibu Gulf and its northern coastal mangroves were analyzed for polycyclic aromatic hydrocarbons (PAH), the organo-chlorine pesticides dichlorodiphenyltrichloroethane (DDT) and hexachlorobenzene (HCB), and polychlorinated biphenyls (PCB), to reconstruct the organic pollution history of developing south-west China. Reflecting regional development, in the gulf ∑PAH (38–74 ng g ) decreased towards the surface after peak concentrations near 10 cm, while ∑DDT (ND – 0.5 ng g ) increased due to fresh inputs, and HCB (ND – 0.04 ng g ) occurred only in surface sediments. Profiles in mangrove sediments showed a continuing local scale increase in ∑PAH (29–438 ng g ) as well as ∑DDT (0.2–41.0 ng g ) and HCB (0.01–1.01 ng g ) pollution, despite some variability. No trend was evident for ∑PCB (ND – 0.22 ng g ), which was not detected in the central gulf. Calculated loads estimate that 2816 ng cm PAHs and 7 ng cm DDTs are stored in depositional areas of the Beibu Gulf. Mangrove sediments, threatened by land-use-change, contain 1400–4600 ng cm PAHs and 34–39 ng cm DDTs.
    Keywords: Sediment Cores ; Pollution Trends ; Polycyclic Aromatic Hydrocarbons ; Organo-Chlorine Pesticides ; Mass Inventory ; South China Sea ; Chemistry ; Ecology
    ISSN: 0045-6535
    E-ISSN: 1879-1298
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  • 10
    Article
    Article
    In: Science, June 14, 1996, Vol.272(5268), p.1598(1)
    Description: Bacteria often practice autoinduction, in which a molecule released and reabsorbed by the same cell adjusts genetic expression according to local density of signalling cells. Autoinducers, first noticed in luminescent bacteria, were identified in Agrobacterium tumefaciens by Margaret More.
    Keywords: Bacteria -- Research ; Cell Interactions -- Research ; Bioluminescence -- Research ; Genetic Regulation -- Research
    ISSN: 0036-8075
    E-ISSN: 10959203
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