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  • American Association for the Advancement of Science (AAAS)  (21,006)
  • 2010-2014  (10,189)
  • 1980-1984  (10,817)
  • 1925-1929
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  • 1
    Publication Date: 2016-09-08
    Description: Kessler et al. (Reports, 21 January 2011, p. 312) reported that methane released from the 2010 Deepwater Horizon blowout, approximately 40% of the total hydrocarbon discharge, was consumed quantitatively by methanotrophic bacteria in Gulf of Mexico deep waters over a 4-month period. We find the evidence explicitly linking observed oxygen anomalies to methane consumption ambiguous and extension of these observations to hydrate-derived methane climate forcing premature.
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  • 2
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 327 (5969). pp. 1078-1079.
    Publication Date: 2016-09-08
    Type: Article , NonPeerReviewed
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  • 3
    Publication Date: 2016-09-09
    Description: Large coseismic slip was thought to be unlikely to occur on the shallow portions of plate-boundary thrusts, but the 11 March 2011 Tohoku-Oki earthquake [moment magnitude (Mw) = 9.0] produced huge displacements of ~50 meters near the Japan Trench with a resultant devastating tsunami. To investigate the mechanisms of the very large fault movements, we conducted high-velocity (1.3 meters per second) friction experiments on samples retrieved from the plate-boundary thrust associated with the earthquake. The results show a small stress drop with very low peak and steady-state shear stress. The very low shear stress can be attributed to the abundance of weak clay (smectite) and thermal pressurization effects, which can facilitate fault slip. This behavior provides an explanation for the huge shallow slip that occurred during the earthquake.
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  • 4
    Publication Date: 2016-09-09
    Description: The mechanics of great subduction earthquakes are influenced by the frictional properties, structure, and composition of the plate-boundary fault. We present observations of the structure and composition of the shallow source fault of the 2011 Tohoku-Oki earthquake and tsunami from boreholes drilled by the Integrated Ocean Drilling Program Expedition 343 and 343T. Logging-while-drilling and core-sample observations show a single major plate-boundary fault accommodated the large slip of the Tohoku-Oki earthquake rupture, as well as nearly all the cumulative interplate motion at the drill site. The localization of deformation onto a limited thickness (less than 5 meters) of pelagic clay is the defining characteristic of the shallow earthquake fault, suggesting that the pelagic clay may be a regionally important control on tsunamigenic earthquakes.
    Type: Article , PeerReviewed
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  • 5
    Publication Date: 2016-09-09
    Description: The frictional resistance on a fault during slip controls earthquake dynamics. Friction dissipates heat during an earthquake; therefore, the fault temperature after an earthquake provides insight into the level of friction. The Japan Trench Fast Drilling Project (Integrated Ocean Drilling Program Expedition 343 and 343T) installed a borehole temperature observatory 16 months after the March 2011 moment magnitude 9.0 Tohoku-Oki earthquake across the fault where slip was ~50 meters near the trench. After 9 months of operation, the complete sensor string was recovered. A 0.31°C temperature anomaly at the plate boundary fault corresponds to 27 megajoules per square meter of dissipated energy during the earthquake. The resulting apparent friction coefficient of 0.08 is considerably smaller than static values for most rocks.
    Type: Article , PeerReviewed
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  • 6
    Publication Date: 2014-03-12
    Description: Sediment-covered basalt on the flanks of mid-ocean ridges constitutes most of Earth’s oceanic crust, but the composition and metabolic function of its microbial ecosystem are largely unknown. By drilling into 3.5-million-year-old subseafloor basalt, we demonstrated the presence of methane- and sulfur-cycling microbes on the eastern flank of the Juan de Fuca Ridge. Depth horizons with functional genes indicative of methane-cycling and sulfate-reducing microorganisms are enriched in solid-phase sulfur and total organic carbon, host d13C- and d34S-isotopic values with a biological imprint, and show clear signs of microbial activity when incubated in the laboratory. Downcore changes in carbon and sulfur cycling show discrete geochemical intervals with chemoautotrophic d13C signatures locally attenuated by heterotrophic metabolism.
    Type: Article , PeerReviewed
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  • 7
    Publication Date: 2014-09-04
    Description: In the Arctic, under-ice primary production is limited to summer months and is restricted not only by ice thickness and snow cover but also by the stratification of the water column, which constrains nutrient supply for algal growth. Research Vessel Polarstern visited the ice-covered eastern-central basins between 82° to 89°N and 30° to 130°E in summer 2012, when Arctic sea ice declined to a record minimum. During this cruise, we observed a widespread deposition of ice algal biomass of on average 9 grams of carbon per square meter to the deep-sea floor of the central Arctic basins. Data from this cruise will contribute to assessing the effect of current climate change on Arctic productivity, biodiversity, and ecological function.
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  • 8
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 346 (6214). pp. 1227-1231.
    Publication Date: 2016-09-09
    Description: Decadal trends in the properties of seawater adjacent to Antarctica are poorly known, and the mechanisms responsible for such changes are uncertain. Antarctic ice sheet mass loss is largely driven by ice shelf basal melt, which is influenced by ocean-ice interactions and has been correlated with Antarctic Continental Shelf Bottom Water (ASBW) temperature. We document the spatial distribution of long-term large-scale trends in temperature, salinity, and core depth over the Antarctic continental shelf and slope. Warming at the seabed in the Bellingshausen and Amundsen seas is linked to increased heat content and to a shoaling of the mid-depth temperature maximum over the continental slope, allowing warmer, saltier water greater access to the shelf in recent years. Regions of ASBW warming are those exhibiting increased ice shelf melt.
    Type: Article , PeerReviewed
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  • 9
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 213 (4512). pp. 1113-1114.
    Publication Date: 2019-01-21
    Description: During an almost yearlong period of observations made with a current meter in the fracture zone between the Falkland Islands (Islas Malvinas) and South Georgia, several overflow events were recorded at a depth of 3000 meters carrying cold bottom water from the Scotia Sea into the Argentine Basin. The outflow bursts of Scotia Sea bottom water, a mixing product of Weddell Sea and eastern Pacific bottom water, were associated with typical speeds of more than 28 centimeters per second toward the northwest and characteristic temperatures below 0.6°C. The maximum 24-hour average speed of 65 centimeters per second, together with a temperature of 0.29°C, was encountered on 14 November 1980 at a water depth of 2973 meters, 35 meters above the sea floor.
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  • 10
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 216 (4550). pp. 1128-1131.
    Publication Date: 2018-03-08
    Description: Large euhedral crystals of calcium carbonate hexahydrate were recovered from a shelf basin of the Bransfield Strait, Antarctic Peninsula, at a water depth of 1950 meters and sub-zero bottom water temperatures. The chemistry, mineralogy, and stable isotope composition of this hydrated calcium carbonate phase, its environment of formation, and its mode of precipitation confirm the properties variously attributed to hypothetical precursors of the glendonites and thereby greatly expand their use in paleoceanographic interpretation.
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  • 11
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 224 (4652). pp. 990-992.
    Publication Date: 2019-03-19
    Description: Study of Nautilus belauensis i its natural habitat in Palau, West Caroline Islands, shows that growth is slow (0.1 millimeter of shell per day on the average) and decreases as maturity is approached and that individuals may live at least 4 years beyond maturity. Age estimates for seven animals marked and recaptured between 45 and 355 days after release range from 14.5 to 17.2 years. These data indicate that the life-span of Nautilus may exceed 20 years and that its life strategy is very different from that of other living cephalopods.
    Type: Article , PeerReviewed
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  • 12
    Publication Date: 2019-09-23
    Description: The Arctic is responding more rapidly to global warming than most other areas on our planet. Northward-flowing Atlantic Water is the major means of heat advection toward the Arctic and strongly affects the sea ice distribution. Records of its natural variability are critical for the understanding of feedback mechanisms and the future of the Arctic climate system, but continuous historical records reach back only ~150 years. Here, we present a multidecadal-scale record of ocean temperature variations during the past 2000 years, derived from marine sediments off Western Svalbard (79°N). We find that early–21st-century temperatures of Atlantic Water entering the Arctic Ocean are unprecedented over the past 2000 years and are presumably linked to the Arctic amplification of global warming.
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  • 13
    Publication Date: 2019-09-23
    Description: The 2011 moment magnitude 9.0 Tohoku-Oki earthquake produced a maximum coseismic slip of more than 50 meters near the Japan trench, which could result in a completely reduced stress state in the region. We tested this hypothesis by determining the in situ stress state of the frontal prism from boreholes drilled by the Integrated Ocean Drilling Program approximately 1 year after the earthquake and by inferring the pre-earthquake stress state. On the basis of the horizontal stress orientations and magnitudes estimated from borehole breakouts and the increase in coseismic displacement during propagation of the rupture to the trench axis, in situ horizontal stress decreased during the earthquake. The stress change suggests an active slip of the frontal plate interface, which is consistent with coseismic fault weakening and a nearly total stress drop.
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  • 14
    Publication Date: 2019-09-23
    Description: In his In Depth News story “Warming may not swamp islands” (1 August, p. 496), C. Pala argues that “coral reefs supporting sandy atoll islands will grow and rise in tandem with the sea,” based largely on studies that showed stable Pacific-island area over recent decades (1–4). He suggests that recent land losses are driven mostly by bad choices and that islanders are being affected “for the same reason as millions of people on the continents: because they live too close to shore.” We disagree with these conclusions.
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  • 15
    Publication Date: 2014-12-17
    Description: The provenance of water and organic compounds on Earth and other terrestrial planets has been discussed for a long time without reaching a consensus. One of the best means to distinguish between different scenarios is by determining the deuterium-to-hydrogen (D/H) ratios in the reservoirs for comets and Earth's oceans. Here, we report the direct in situ measurement of the D/H ratio in the Jupiter family comet 67P/Churyumov-Gerasimenko by the ROSINA mass spectrometer aboard the European Space Agency's Rosetta spacecraft, which is found to be (5.3 +/- 0.7) x 10(-4)-that is, approximately three times the terrestrial value. Previous cometary measurements and our new finding suggest a wide range of D/H ratios in the water within Jupiter family objects and preclude the idea that this reservoir is solely composed of Earth ocean-like water.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Altwegg, K -- Balsiger, H -- Bar-Nun, A -- Berthelier, J J -- Bieler, A -- Bochsler, P -- Briois, C -- Calmonte, U -- Combi, M -- De Keyser, J -- Eberhardt, P -- Fiethe, B -- Fuselier, S -- Gasc, S -- Gombosi, T I -- Hansen, K C -- Hassig, M -- Jackel, A -- Kopp, E -- Korth, A -- LeRoy, L -- Mall, U -- Marty, B -- Mousis, O -- Neefs, E -- Owen, T -- Reme, H -- Rubin, M -- Semon, T -- Tzou, C-Y -- Waite, H -- Wurz, P -- New York, N.Y. -- Science. 2015 Jan 23;347(6220):1261952. doi: 10.1126/science.1261952. Epub 2014 Dec 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Physikalisches Institut, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland. altwegg@space.unibe.ch. ; Physikalisches Institut, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland. ; Department of Geosciences, Tel-Aviv University, Ramat-Aviv, Tel-Aviv, Israel. ; Laboratoire Atmospheres, Milieux, Observations Spatiales (LATMOS), 4 Avenue de Neptune, F-94100 Saint-Maur, France. ; Physikalisches Institut, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland. Department of Atmospheric, Oceanic and Space Sciences, University of Michigan, 2455 Hayward, Ann Arbor, MI 48109, USA. ; Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (LPC2E), UMR 6115 CNRS-Universite d'Orleans, France. ; Department of Atmospheric, Oceanic and Space Sciences, University of Michigan, 2455 Hayward, Ann Arbor, MI 48109, USA. ; Space Physics Division, Belgisch Instituut voor Ruimte-Aeronomie (BIRA)-Institut d'Aeronomie Spatiale de Belgique (IASB), Ringlaan 3, B-1180 Brussels, Belgium. ; Institute of Computer and Network Engineering (IDA), Technicsche Universitat Braunschweig, Hans-Sommer-Strasse 66, D-38106 Braunschweig, Germany. ; Department of Space Science, Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78228, USA. ; Physikalisches Institut, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland. Department of Space Science, Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78228, USA. ; Max-Planck-Institut fur Sonnensystemforschung, Justus-von-Liebig-Weg 3, 37077 Gottingen, Germany. ; Centre de Recherches Petrographiques et Geochimiques, Centre de Recherches Petrographiques et Geochimiques (CRPG)-CNRS, Universite de Lorraine, 15 rue Notre Dame des Pauvres, BP 20, 54501 Vandoeuvre les Nancy, France. ; Universite de Franche-Comte, Institut Univers, Transport, Interfaces, Nanostructures, Atmosphere et Environnement, Molecules (UTINAM), CNRS/Institut National des Sciences de l'Univers (INSU), UMR 6213 Besancon Cedex, France. ; Institute for Astronomy, University of Hawaii, Honolulu, HI 96822, USA. ; Universite de Toulouse, Universite Paul Sabatier (UPS)-Observatoire Midi-Pyrenees (OMP), Institut de Recherche en Astrophysique et Planetologie (IRAP), Toulouse, France. CNRS, IRAP, 9 Avenue du Colonel Roche, BP 44346, F-31028 Toulouse cedex 4, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25501976" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 16
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-06-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jarillo-Herrero, Pablo -- New York, N.Y. -- Science. 2010 Jun 11;328(5984):1362-3. doi: 10.1126/science.1191411.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. pjarillo@mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20538938" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
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  • 17
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-02-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2010 Feb 19;327(5968):939. doi: 10.1126/science.327.5968.939.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20167759" target="_blank"〉PubMed〈/a〉
    Keywords: China/epidemiology ; Drug Resistance, Bacterial ; Drug Therapy, Combination ; Humans ; Leprostatic Agents/pharmacology/therapeutic use ; Leprosy/diagnosis/drug therapy/*epidemiology ; Mycobacterium leprae/drug effects ; Prevalence ; Rifampin/pharmacology/therapeutic use
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  • 18
    Publication Date: 2010-03-27
    Description: T cell receptor (TCR)-dependent regulatory T cell (Treg) activity controls effector T cell (Teff) function and is inhibited by the inflammatory cytokine tumor necrosis factor-alpha (TNF-alpha). Protein kinase C-theta (PKC-theta) recruitment to the immunological synapse is required for full Teff activation. In contrast, PKC-theta was sequestered away from the Treg immunological synapse. Furthermore, PKC-theta blockade enhanced Treg function, demonstrating PKC-theta inhibits Treg-mediated suppression. Inhibition of PKC-theta protected Treg from inactivation by TNF-alpha, restored activity of defective Treg from rheumatoid arthritis patients, and enhanced protection of mice from inflammatory colitis. Treg freed of PKC-theta-mediated inhibition can function in the presence of inflammatory cytokines and thus have therapeutic potential in control of inflammatory diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2905626/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2905626/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zanin-Zhorov, Alexandra -- Ding, Yi -- Kumari, Sudha -- Attur, Mukundan -- Hippen, Keli L -- Brown, Maryanne -- Blazar, Bruce R -- Abramson, Steven B -- Lafaille, Juan J -- Dustin, Michael L -- P01 AI056299/AI/NIAID NIH HHS/ -- PN2 EY016586/EY/NEI NIH HHS/ -- PN2 EY016586-06/EY/NEI NIH HHS/ -- R01 AI055037/AI/NIAID NIH HHS/ -- R01 AI055037-06A1/AI/NIAID NIH HHS/ -- R01 AI43542/AI/NIAID NIH HHS/ -- R01 HL056067/HL/NHLBI NIH HHS/ -- R37 AI043542/AI/NIAID NIH HHS/ -- R37 AI043542-12/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2010 Apr 16;328(5976):372-6. doi: 10.1126/science.1186068. Epub 2010 Mar 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Pathogenesis Program, Helen and Martin Kimmel Center for Biology and Medicine, Skirball Institute of Biomolecular Medicine, Department of Pathology, New York University School of Medicine, New York, NY 10016, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20339032" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aged ; Animals ; Arthritis, Rheumatoid/immunology ; Colitis/immunology/prevention & control ; Enzyme Inhibitors/pharmacology ; Feedback, Physiological ; Humans ; Immunological Synapses/*immunology ; Inflammation/*immunology ; Interferon-gamma/metabolism ; Isoenzymes/antagonists & inhibitors/*metabolism ; Lymphocyte Activation ; Mice ; Mice, Inbred C57BL ; Middle Aged ; Protein Kinase C/antagonists & inhibitors/*metabolism ; Receptors, Antigen, T-Cell/immunology/metabolism ; Signal Transduction ; T-Lymphocyte Subsets/*immunology/metabolism ; T-Lymphocytes, Regulatory/*immunology/metabolism ; Tumor Necrosis Factor-alpha/metabolism ; Young Adult
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  • 19
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-11-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- Xin, Hao -- New York, N.Y. -- Science. 2010 Nov 5;330(6005):746-7. doi: 10.1126/science.330.6005.746-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21051607" target="_blank"〉PubMed〈/a〉
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  • 20
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-04-10
    Description: The discovery of the electron over a century ago and the realization of its dual character have given birth to one of the two most powerful imaging instruments: the electron microscope. The electron microscope's ability to resolve three-dimensional (3D) structures on the atomic scale is continuing to affect different fields, including materials science and biology. In this Review, we highlight recent developments and inventions made by introducing the fourth dimension of time in electron microscopy. Today, ultrafast electron microscopy (4D UEM) enables a resolution that is 10 orders of magnitude better than that of conventional microscopes, which are limited by the video-camera rate of recording. After presenting the central concept involved, that of single-electron stroboscopic imaging, we discuss prototypical applications, which include the visualization of complex structures when unfolding on different length and time scales. The developed UEM variant techniques are several, and here we illucidate convergent-beam and near-field imaging, as well as tomography and scanning-pulse microscopy. We conclude with current explorations in imaging of nanomaterials and biostructures and an outlook on possible future directions in space-time, 4D electron microscopy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zewail, Ahmed H -- New York, N.Y. -- Science. 2010 Apr 9;328(5975):187-93. doi: 10.1126/science.1166135.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Physical Biology Center for Ultrafast Science & Technology, California Institute of Technology, Pasadena, CA 91125, USA. zewail@caltech.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20378810" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Crystallization ; Crystallography ; Electrons ; Graphite ; Microscopy, Electron, Scanning Transmission/methods ; Microscopy, Electron, Transmission/instrumentation/*methods ; Nanostructures/ultrastructure ; Phase Transition ; Physicochemical Processes ; Time
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  • 21
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-11-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leshner, Alan I -- New York, N.Y. -- Science. 2010 Nov 26;330(6008):1155. doi: 10.1126/science.1200554.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21109636" target="_blank"〉PubMed〈/a〉
    Keywords: Engineering ; *Financing, Government ; Policy Making ; Politics ; *Research Support as Topic ; *Science ; United States
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  • 22
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-05-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leshner, Alan I -- Malcom, Shirley -- Roseman, Jo Ellen -- New York, N.Y. -- Science. 2010 May 28;328(5982):1075. doi: 10.1126/science.1192334.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20508093" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Child ; Education/*standards ; Educational Measurement ; Humans ; National Academy of Sciences (U.S.) ; Science/*education ; Societies, Scientific ; United States
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  • 23
    Publication Date: 2010-01-02
    Description: The Tasmanian devil, a marsupial carnivore, is endangered because of the emergence of a transmissible cancer known as devil facial tumor disease (DFTD). This fatal cancer is clonally derived and is an allograft transmitted between devils by biting. We performed a large-scale genetic analysis of DFTD with microsatellite genotyping, a mitochondrial genome analysis, and deep sequencing of the DFTD transcriptome and microRNAs. These studies confirm that DFTD is a monophyletic clonally transmissible tumor and suggest that the disease is of Schwann cell origin. On the basis of these results, we have generated a diagnostic marker for DFTD and identify a suite of genes relevant to DFTD pathology and transmission. We provide a genomic data set for the Tasmanian devil that is applicable to cancer diagnosis, disease evolution, and conservation biology.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2982769/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2982769/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murchison, Elizabeth P -- Tovar, Cesar -- Hsu, Arthur -- Bender, Hannah S -- Kheradpour, Pouya -- Rebbeck, Clare A -- Obendorf, David -- Conlan, Carly -- Bahlo, Melanie -- Blizzard, Catherine A -- Pyecroft, Stephen -- Kreiss, Alexandre -- Kellis, Manolis -- Stark, Alexander -- Harkins, Timothy T -- Marshall Graves, Jennifer A -- Woods, Gregory M -- Hannon, Gregory J -- Papenfuss, Anthony T -- P01 CA013106/CA/NCI NIH HHS/ -- P01 CA013106-38/CA/NCI NIH HHS/ -- R01 GM062534/GM/NIGMS NIH HHS/ -- R01 GM062534-10/GM/NIGMS NIH HHS/ -- R01 HG004037/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2010 Jan 1;327(5961):84-7. doi: 10.1126/science.1180616.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Watson School of Biological Sciences, Howard Hughes Medical Institute, Cold Spring Harbor Laboratory, 1 Bungtown Road, Cold Spring Harbor, NY 11724, USA. elizabeth.murchison@sanger.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20044575" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomarkers, Tumor/analysis ; Bites and Stings/veterinary ; Cell Differentiation ; Facial Neoplasms/diagnosis/genetics/pathology/*veterinary ; *Gene Expression Profiling ; Gene Expression Regulation, Neoplastic ; Genes, Neoplasm ; Genome, Mitochondrial ; Genotype ; *Marsupialia/genetics ; Membrane Proteins/genetics/metabolism ; MicroRNAs/genetics ; Microsatellite Repeats ; Myelin Basic Protein/genetics ; Nerve Sheath Neoplasms/diagnosis/genetics/pathology/*veterinary ; *Schwann Cells/physiology ; Sequence Analysis, DNA
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  • 24
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-04-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ratcliff, William Croft -- Denison, Robert Ford -- New York, N.Y. -- Science. 2011 Apr 29;332(6029):547-8. doi: 10.1126/science.1205970.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ecology, Evolution and Behavior, University of Minnesota, St. Paul, MN 55108, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21527704" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-Bacterial Agents/*metabolism/*pharmacology ; Bacteria/*drug effects/*metabolism ; *Bacterial Physiological Phenomena ; Biofilms/drug effects/growth & development ; Biological Evolution ; Cues ; Dictyostelium/physiology ; Homeostasis ; *Microbial Interactions
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  • 25
    Publication Date: 2011-08-27
    Description: Meteorite studies suggest that each solar system object has a unique oxygen isotopic composition. Chondrites, the most primitive of meteorites, have been believed to be derived from asteroids, but oxygen isotopic compositions of asteroids themselves have not been established. We measured, using secondary ion mass spectrometry, oxygen isotopic compositions of rock particles from asteroid 25143 Itokawa returned by the Hayabusa spacecraft. Compositions of the particles are depleted in (16)O relative to terrestrial materials and indicate that Itokawa, an S-type asteroid, is one of the sources of the LL or L group of equilibrated ordinary chondrites. This is a direct oxygen-isotope link between chondrites and their parent asteroid.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yurimoto, Hisayoshi -- Abe, Ken-ichi -- Abe, Masanao -- Ebihara, Mitsuru -- Fujimura, Akio -- Hashiguchi, Minako -- Hashizume, Ko -- Ireland, Trevor R -- Itoh, Shoichi -- Katayama, Juri -- Kato, Chizu -- Kawaguchi, Junichiro -- Kawasaki, Noriyuki -- Kitajima, Fumio -- Kobayashi, Sachio -- Meike, Tatsuji -- Mukai, Toshifumi -- Nagao, Keisuke -- Nakamura, Tomoki -- Naraoka, Hiroshi -- Noguchi, Takaaki -- Okazaki, Ryuji -- Park, Changkun -- Sakamoto, Naoya -- Seto, Yusuke -- Takei, Masashi -- Tsuchiyama, Akira -- Uesugi, Masayuki -- Wakaki, Shigeyuki -- Yada, Toru -- Yamamoto, Kosuke -- Yoshikawa, Makoto -- Zolensky, Michael E -- New York, N.Y. -- Science. 2011 Aug 26;333(6046):1116-9. doi: 10.1126/science.1207776.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Natural History Sciences, Hokkaido University, Sapporo 060-0810, Japan. yuri@ep.sci.hokudai.ac.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21868668" target="_blank"〉PubMed〈/a〉
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  • 26
    Publication Date: 2011-12-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2011 Dec 23;334(6063):1624-5. doi: 10.1126/science.334.6063.1624.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22194545" target="_blank"〉PubMed〈/a〉
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  • 27
    Publication Date: 2011-02-12
    Description: We estimated the world's technological capacity to store, communicate, and compute information, tracking 60 analog and digital technologies during the period from 1986 to 2007. In 2007, humankind was able to store 2.9 x 10(20) optimally compressed bytes, communicate almost 2 x 10(21) bytes, and carry out 6.4 x 10(18) instructions per second on general-purpose computers. General-purpose computing capacity grew at an annual rate of 58%. The world's capacity for bidirectional telecommunication grew at 28% per year, closely followed by the increase in globally stored information (23%). Humankind's capacity for unidirectional information diffusion through broadcasting channels has experienced comparatively modest annual growth (6%). Telecommunication has been dominated by digital technologies since 1990 (99.9% in digital format in 2007), and the majority of our technological memory has been in digital format since the early 2000s (94% digital in 2007).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hilbert, Martin -- Lopez, Priscila -- New York, N.Y. -- Science. 2011 Apr 1;332(6025):60-5. doi: 10.1126/science.1200970. Epub 2011 Feb 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Annenberg School of Communication, University of Southern California, Los Angeles, CA 90089, USA. mhilbert@usc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21310967" target="_blank"〉PubMed〈/a〉
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-11-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2011 Nov 4;334(6056):584-8. doi: 10.1126/science.334.6056.584.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22053023" target="_blank"〉PubMed〈/a〉
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-09-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2011 Sep 2;333(6047):1210-1. doi: 10.1126/science.333.6047.1210.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21885748" target="_blank"〉PubMed〈/a〉
    Keywords: Angiosperms/growth & development ; China ; *Ecosystem ; Eutrophication ; *Fresh Water/chemistry/microbiology ; *Harmful Algal Bloom ; Microcystis/*growth & development ; Potamogetonaceae/growth & development ; Water Pollutants, Chemical/*toxicity ; Water Pollution/economics/*prevention & control ; Water Supply
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  • 30
    Publication Date: 2011-10-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bruskotter, Jeremy T -- Enzler, Sherry A -- Treves, Adrian -- New York, N.Y. -- Science. 2011 Sep 30;333(6051):1828-9. doi: 10.1126/science.1207803.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Environment and Natural Resources, The Ohio State University, Columbus, OH 43210, USA. bruskotter.9@osu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21960614" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Wild ; Endangered Species/*legislation & jurisprudence ; *Politics ; Population Dynamics ; United States ; *Wolves
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  • 31
    Publication Date: 2010-10-30
    Description: Pressure flaking has been considered to be an Upper Paleolithic innovation dating to ~20,000 years ago (20 ka). Replication experiments show that pressure flaking best explains the morphology of lithic artifacts recovered from the ~75-ka Middle Stone Age levels at Blombos Cave, South Africa. The technique was used during the final shaping of Still Bay bifacial points made on heat-treated silcrete. Application of this innovative technique allowed for a high degree of control during the detachment of individual flakes, resulting in thinner, narrower, and sharper tips on bifacial points. This technology may have been first invented and used sporadically in Africa before its later widespread adoption.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mourre, Vincent -- Villa, Paola -- Henshilwood, Christopher S -- 249587/European Research Council/International -- New York, N.Y. -- Science. 2010 Oct 29;330(6004):659-62. doi: 10.1126/science.1195550.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INRAP Mediterranee, 561 rue Etienne Lenoir-KM Delta, 30900 Nimes, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21030655" target="_blank"〉PubMed〈/a〉
    Keywords: *Archaeology ; History, Ancient ; Hot Temperature ; Humans ; Pressure ; South Africa ; Technology/*history
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  • 32
    Publication Date: 2010-03-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2010 Mar 12;327(5971):1312-3. doi: 10.1126/science.327.5971.1312-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20223956" target="_blank"〉PubMed〈/a〉
    Keywords: Antitubercular Agents/pharmacology ; *Biomedical Research ; Democratic People's Republic of Korea/epidemiology ; Drug Resistance, Bacterial ; Humans ; *International Cooperation ; *Laboratories ; *Mycobacterium tuberculosis/drug effects/growth & development ; *Tuberculosis/epidemiology ; United States
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  • 33
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2010-10-30
    Description: Epigenetic modifications of the genome are generally stable in somatic cells of multicellular organisms. In germ cells and early embryos, however, epigenetic reprogramming occurs on a genome-wide scale, which includes demethylation of DNA and remodeling of histones and their modifications. The mechanisms of genome-wide erasure of DNA methylation, which involve modifications to 5-methylcytosine and DNA repair, are being unraveled. Epigenetic reprogramming has important roles in imprinting, the natural as well as experimental acquisition of totipotency and pluripotency, control of transposons, and epigenetic inheritance across generations. Small RNAs and the inheritance of histone marks may also contribute to epigenetic inheritance and reprogramming. Reprogramming occurs in flowering plants and in mammals, and the similarities and differences illuminate developmental and reproductive strategies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2989926/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2989926/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feng, Suhua -- Jacobsen, Steven E -- Reik, Wolf -- G0700098/Medical Research Council/United Kingdom -- GM60398/GM/NIGMS NIH HHS/ -- R37 GM060398/GM/NIGMS NIH HHS/ -- R37 GM060398-10/GM/NIGMS NIH HHS/ -- Biotechnology and Biological Sciences Research Council/United Kingdom -- Howard Hughes Medical Institute/ -- Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2010 Oct 29;330(6004):622-7. doi: 10.1126/science.1190614.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Molecular, Cell and Developmental Biology, University of California, Los Angeles, CA 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21030646" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arabidopsis/embryology/*genetics ; Cellular Reprogramming ; *DNA Methylation ; DNA Transposable Elements ; Embryo, Mammalian/metabolism/physiology ; Embryo, Nonmammalian/metabolism/physiology ; Embryonic Development ; *Epigenesis, Genetic ; Female ; Gene Expression Regulation, Developmental ; Gene Silencing ; Genomic Imprinting ; Germ Cells/growth & development/metabolism ; Histones/*metabolism ; Male ; Mammals/embryology/*genetics ; Protein Processing, Post-Translational
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  • 34
    Publication Date: 2011-08-27
    Description: A single grain (~3 micrograms) returned by the Hayabusa spacecraft was analyzed by neutron activation analysis. This grain is mainly composed of olivine with minor amounts of plagioclase, troilite, and metal. Our results establish that the Itokawa sample has similar chemical characteristics (iron/scandium and nickel/cobalt ratios) to chondrites, confirming that this grain is extraterrestrial in origin and has primitive chemical compositions. Estimated iridium/nickel and iridium/cobalt ratios for metal in the Itokawa samples are about five times lower than CI carbonaceous chondrite values. A similar depletion of iridium was observed in chondrule metals of ordinary chondrites. These metals must have condensed from the nebular where refractory siderophile elements already condensed and were segregated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ebihara, M -- Sekimoto, S -- Shirai, N -- Hamajima, Y -- Yamamoto, M -- Kumagai, K -- Oura, Y -- Ireland, T R -- Kitajima, F -- Nagao, K -- Nakamura, T -- Naraoka, H -- Noguchi, T -- Okazaki, R -- Tsuchiyama, A -- Uesugi, M -- Yurimoto, H -- Zolensky, M E -- Abe, M -- Fujimura, A -- Mukai, T -- Yada, Y -- New York, N.Y. -- Science. 2011 Aug 26;333(6046):1119-21. doi: 10.1126/science.1207865.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan. ebihara-mitsuru@tmu.ac.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21868669" target="_blank"〉PubMed〈/a〉
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-12-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Larson, Christina -- New York, N.Y. -- Science. 2011 Dec 2;334(6060):1199. doi: 10.1126/science.334.6060.1199.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22144593" target="_blank"〉PubMed〈/a〉
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  • 36
    Publication Date: 2011-07-02
    Description: Human memory is strikingly susceptible to social influences, yet we know little about the underlying mechanisms. We examined how socially induced memory errors are generated in the brain by studying the memory of individuals exposed to recollections of others. Participants exhibited a strong tendency to conform to erroneous recollections of the group, producing both long-lasting and temporary errors, even when their initial memory was strong and accurate. Functional brain imaging revealed that social influence modified the neuronal representation of memory. Specifically, a particular brain signature of enhanced amygdala activity and enhanced amygdala-hippocampus connectivity predicted long-lasting but not temporary memory alterations. Our findings reveal how social manipulation can alter memory and extend the known functions of the amygdala to encompass socially mediated memory distortions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3284232/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3284232/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Edelson, Micah -- Sharot, Tali -- Dolan, Raymond J -- Dudai, Yadin -- 078865/Wellcome Trust/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2011 Jul 1;333(6038):108-11. doi: 10.1126/science.1203557.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Weizmann Institute of Science, Israel. micah.edelson@weizmann.ac.il〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21719681" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Amygdala/*physiology ; Brain Mapping ; Female ; *Group Processes ; Hippocampus/*physiology ; Humans ; Magnetic Resonance Imaging ; Male ; *Mental Recall ; Social Behavior ; *Social Conformity
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-08-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2011 Aug 12;333(6044):814-8. doi: 10.1126/science.333.6044.814.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21835993" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animal Migration ; Animals ; Cambodia ; China ; *Ecosystem ; *Electricity ; *Energy-Generating Resources ; *Fisheries ; Fishes ; *Food Supply ; Laos ; Power Plants ; *Rivers ; Seasons ; Vietnam ; Water Movements
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-11-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Larson, Christina -- New York, N.Y. -- Science. 2011 Nov 18;334(6058):886-7. doi: 10.1126/science.334.6058.886-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22096162" target="_blank"〉PubMed〈/a〉
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  • 39
    Publication Date: 2011-03-12
    Description: T-shaped molecules with a rod-like aromatic core and a flexible side chain form liquid crystal honeycombs with aromatic cell walls and a cell interior filled with the side chains. Here, we show how the addition of a second chain, incompatible with the first (X-shaped molecules), can form honeycombs with highly complex tiling patterns, with cells of up to five different compositions ("colors") and polygonal shapes. The complexity is caused by the inability of the side chains to separate cleanly because of geometric frustration. Furthermore, a thermoreversible transition was observed between a multicolor (phase-separated) and a single-color (mixed) honeycomb phase. This is analogous to the Curie transition in simple and frustrated ferro- and antiferromagnets; here spin flips are replaced by 180 degrees reorientations of the molecules.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zeng, Xiangbing -- Kieffer, Robert -- Glettner, Benjamin -- Nurnberger, Constance -- Liu, Feng -- Pelz, Karsten -- Prehm, Marko -- Baumeister, Ute -- Hahn, Harald -- Lang, Heinrich -- Gehring, Gillian A -- Weber, Christa H M -- Hobbs, Jamie K -- Tschierske, Carsten -- Ungar, Goran -- New York, N.Y. -- Science. 2011 Mar 11;331(6022):1302-6. doi: 10.1126/science.1193052.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Materials Science and Engineering, University of Sheffield, Sheffield, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21393540" target="_blank"〉PubMed〈/a〉
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  • 40
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-04-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Greg -- New York, N.Y. -- Science. 2011 Apr 1;332(6025):28-31. doi: 10.1126/science.332.6025.28.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21454767" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Rights/*legislation & jurisprudence ; Animals ; Pets
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    Publication Date: 2011-10-01
    Description: The MESSENGER spacecraft began detecting energetic electrons with energies greater than 30 kilo-electron volts (keV) shortly after its insertion into orbit about Mercury. In contrast, no energetic protons were observed. The energetic electrons arrive as bursts lasting from seconds to hours and are most intense close to the planet, distributed in latitude from the equator to the north pole, and present at most local times. Energies can exceed 200 keV but often exhibit cutoffs near 100 keV. Angular distributions of the electrons about the magnetic field suggest that they do not execute complete drift paths around the planet. This set of characteristics demonstrates that Mercury's weak magnetic field does not support Van Allen-type radiation belts, unlike all other planets in the solar system with internal magnetic fields.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ho, George C -- Krimigis, Stamatios M -- Gold, Robert E -- Baker, Daniel N -- Slavin, James A -- Anderson, Brian J -- Korth, Haje -- Starr, Richard D -- Lawrence, David J -- McNutt, Ralph L Jr -- Solomon, Sean C -- New York, N.Y. -- Science. 2011 Sep 30;333(6051):1865-8. doi: 10.1126/science.1211141.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA. george.ho@jhuapl.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21960629" target="_blank"〉PubMed〈/a〉
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-07-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Edwards, Peter P -- New York, N.Y. -- Science. 2011 Jul 1;333(6038):49-50. doi: 10.1126/science.1207837.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Oxford University, South Parks Road, Oxford OX1 3QR, UK. peter.edwards@chem.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21719667" target="_blank"〉PubMed〈/a〉
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-02-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Butt, Hans-Jurgen -- New York, N.Y. -- Science. 2011 Feb 18;331(6019):868-9. doi: 10.1126/science.1201543.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Polymer Physics, Max Planck Institute for Polymer Research, Mainz, Germany. butt@mpip-mainz.mpg.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21330524" target="_blank"〉PubMed〈/a〉
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-07-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lauher, Joseph W -- New York, N.Y. -- Science. 2011 Jul 22;333(6041):415-6. doi: 10.1126/science.1209090.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, State University of New York at Stony Brook, Stony Brook, NY 11794, USA. joseph.lauher@stonybrook.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21778390" target="_blank"〉PubMed〈/a〉
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-10-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Larson, Ronald G -- New York, N.Y. -- Science. 2011 Sep 30;333(6051):1834-5. doi: 10.1126/science.1211863.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109-2136, USA. rlarson@umich.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21960619" target="_blank"〉PubMed〈/a〉
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-04-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2011 Apr 22;332(6028):412-3. doi: 10.1126/science.332.6028.412.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21512014" target="_blank"〉PubMed〈/a〉
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    Publication Date: 2011-10-01
    Description: As an echolocating bat closes in on a flying insect, it increases call emission to rates beyond 160 calls per second. This high call rate phase, dubbed the terminal buzz, has proven enigmatic because it is unknown how bats are able to produce calls so quickly. We found that previously unknown and highly specialized superfast muscles power rapid call rates in the terminal buzz. Additionally, we show that laryngeal motor performance, not overlap between call production and the arrival of echoes at the bat's ears, limits maximum call rate. Superfast muscles are rare in vertebrates and always associated with extraordinary motor demands on acoustic communication. We propose that the advantages of rapid auditory updates on prey movement selected for superfast laryngeal muscle in echolocating bats.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Elemans, Coen P H -- Mead, Andrew F -- Jakobsen, Lasse -- Ratcliffe, John M -- New York, N.Y. -- Science. 2011 Sep 30;333(6051):1885-8. doi: 10.1126/science.1207309.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Biology, University of Southern Denmark, DK-5230 Odense M, Denmark. coen@biology.sdu.dk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21960635" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chiroptera/*physiology ; *Echolocation ; Insects ; Laryngeal Muscles/*physiology ; Larynx/physiology ; Muscle Contraction ; Muscle Fibers, Fast-Twitch/*physiology ; Muscle Relaxation ; Sound ; Vocal Cords/physiology
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    Publication Date: 2011-04-23
    Description: Cellular messenger RNA levels are achieved by the combinatorial complexity of factors controlling transcription, yet the small number of molecules involved in these pathways fluctuates stochastically. It has not yet been experimentally possible to observe the activity of single polymerases on an endogenous gene to elucidate how these events occur in vivo. Here, we describe a method of fluctuation analysis of fluorescently labeled RNA to measure dynamics of nascent RNA--including initiation, elongation, and termination--at an active yeast locus. We find no transcriptional memory between initiation events, and elongation speed can vary by threefold throughout the cell cycle. By measuring the abundance and intranuclear mobility of an upstream transcription factor, we observe that the gene firing rate is directly determined by trans-activating factor search times.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3152976/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3152976/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Larson, Daniel R -- Zenklusen, Daniel -- Wu, Bin -- Chao, Jeffrey A -- Singer, Robert H -- 57071/PHS HHS/ -- 86217/PHS HHS/ -- R01 GM057071/GM/NIGMS NIH HHS/ -- R01 GM057071-10/GM/NIGMS NIH HHS/ -- R01 GM057071-11/GM/NIGMS NIH HHS/ -- R01 GM057071-12/GM/NIGMS NIH HHS/ -- R01 GM086217/GM/NIGMS NIH HHS/ -- R01 GM086217-01/GM/NIGMS NIH HHS/ -- R01 GM086217-02/GM/NIGMS NIH HHS/ -- R01 GM086217-03/GM/NIGMS NIH HHS/ -- R01 GM086217-04/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Apr 22;332(6028):475-8. doi: 10.1126/science.1202142.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21512033" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphatases/genetics ; Cell Cycle ; Cell Nucleus/metabolism ; DNA Polymerase I/genetics ; Facilitated Diffusion ; *Genes, Fungal ; Glutamate Synthase/genetics ; Green Fluorescent Proteins ; Kinetics ; Microscopy, Fluorescence ; Models, Genetic ; Promoter Regions, Genetic ; RNA Polymerase II/metabolism ; RNA Precursors/genetics/metabolism ; RNA, Fungal/biosynthesis/*genetics ; RNA, Messenger/biosynthesis/*genetics ; Saccharomyces cerevisiae/*genetics/metabolism ; Saccharomyces cerevisiae Proteins/genetics/metabolism ; Spectrometry, Fluorescence ; Transcription Factors/metabolism ; *Transcription, Genetic ; Transcriptional Activation
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-03-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2011 Mar 25;331(6024):1507. doi: 10.1126/science.331.6024.1507.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21436414" target="_blank"〉PubMed〈/a〉
    Keywords: Chernobyl Nuclear Accident ; Japan ; *Nuclear Reactors ; Pennsylvania ; *Radioactive Hazard Release ; *Radioactive Pollutants
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-07-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reardon, Sara -- New York, N.Y. -- Science. 2011 Jul 22;333(6041):395. doi: 10.1126/science.333.6041.395.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21778372" target="_blank"〉PubMed〈/a〉
    Keywords: Ambulatory Care Facilities ; Child ; Child, Preschool ; Health Personnel/*ethics ; Humans ; Immunization Programs/*ethics ; Pakistan ; United Nations ; United States ; United States Government Agencies/*ethics
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-03-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2011 Mar 11;331(6022):1251. doi: 10.1126/science.331.6022.1251.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21393518" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes ; *Budgets ; China ; Financing, Government ; *Research ; *Research Support as Topic ; Translational Medical Research ; Universities
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  • 52
    Publication Date: 2011-05-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2011 May 6;332(6030):657. doi: 10.1126/science.332.6030.657.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21551043" target="_blank"〉PubMed〈/a〉
    Keywords: *Accident Proneness ; Accidents, Traffic/*prevention & control/statistics & numerical data ; *Automobile Driving/education/psychology ; China ; History, 20th Century ; History, 21st Century ; Humans
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-01-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Greg -- New York, N.Y. -- Science. 2011 Jan 14;331(6014):138-40. doi: 10.1126/science.331.6014.138.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21233358" target="_blank"〉PubMed〈/a〉
    Keywords: Brain/physiology ; *Cardiovascular Physiological Phenomena ; Gene Expression Regulation ; Genes ; *Health ; Humans ; Immune System/*physiology ; Leukocytes/physiology ; *Loneliness ; *Nervous System Physiological Phenomena ; Social Isolation ; Stress, Psychological ; Surveys and Questionnaires
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2011-03-29
    Description: The study of natural gradients in nutrient subsidies between ecosystems allows for predictions of how changes in one system can affect biodiversity in another. We performed a large-scale empirical test of the role of Pacific salmon (Oncorhynchus spp.) in structuring riparian plant communities. A comparison of 50 watersheds in the remote Great Bear Rainforest of British Columbia's central coast in Canada shows that salmon influence nutrient loading to plants,shifting plant communities toward nutrient-rich species, which in turn decreases plant diversity.These effects are mediated by interactions between salmon density and the physical characteristics of watersheds. Predicting how salmon affect terrestrial ecosystems is central to conservation plans that aim to better integrate ecosystem values into resource management.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hocking, Morgan D -- Reynolds, John D -- New York, N.Y. -- Science. 2011 Mar 25;331(6024):1609-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Earth2Ocean Research Group, Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, Canada. mhocking@sfu.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21442794" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Biomass ; British Columbia ; *Ecosystem ; Nitrogen/analysis ; *Oncorhynchus/physiology ; Plant Physiological Phenomena ; *Plants ; Population Density ; Population Dynamics ; *Rivers ; Trees
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