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Browsing MIT Open Access Articles by Title

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  • Autor, David H.; Houseman, Susan N. (American Economic Association, 2010-07)
    Temporary-help jobs offer rapid entry into paid employment, but they are typically brief and it is unknown whether they foster longer term employment. We utilize the unique structure of Detroit's welfare-to- work program ...
  • Blundell, Katherine M.; Schechter, Paul L.; Morgan, N. D.; Jarvis, Matt J.; Rawlings, Steve; Tonry, John L. (IOP Publishing, 2010-10)
    We present an analysis of observations of the doubly lensed double hot spot in the giant radio galaxy J0816+5003 from MERLIN, MDM, WIYN, WHT, UKIRT, and the VLA. The images of the two hot spot components span a factor of ...
  • Radko, T.; Bulters, A.; Flanagan, J. D.; Campin, Jean-Michel (American Meteorological Society, 2014-05)
    Three-dimensional dynamics of thermohaline staircases are investigated using a series of basin-scale staircase-resolving numerical simulations. The computational domain and forcing fields are chosen to reflect the size and ...
  • Hohm, Olaf; Siegel, Warren; Zwiebach, Barton (Springer-Verlag, 2014-02)
    We develop doubled-coordinate field theory to determine the α ′ corrections to the massless sector of oriented bosonic closed string theory. Our key tool is a string current algebra of free left-handed bosons that makes ...
  • Bonawitz, Elizabeth; Shafto, Patrick; Gweon, Hyowon; Schulz, Laura E.; Goodman, Noah D.; Spelke, Elizabeth (Elsevier B.V., 2011-01)
    Motivated by computational analyses, we look at how teaching affects exploration and discovery. In Experiment 1, we investigated children’s exploratory play after an adult pedagogically demonstrated a function of a toy, ...
  • Schulz, Laura E.; Bonawitz, Elizabeth; Shafto, Patrick; Gweon, Hyowon; Chang, Isabel Y.; Katz, Sydney (Cognitive Science Society, Inc., 2009-07)
    How does explicit instruction affect exploratory play and learning? We present a model that captures pedagogical assumptions (adapted from Shafto and Goodman, 2008) and test the model with a novel experiment looking at ...
  • Hull, Chris; Zwiebach, Barton (IOP Publishing, 2009-09)
    The zero modes of closed strings on a torus — the torus coordinates plus dual coordinates conjugate to winding number — parameterize a doubled torus. In closed string field theory, the string field depends on all zero-modes ...
  • Hohm, Olaf; Zwiebach, Barton (Springer-Verlag, 2014-11)
    We investigate α′ corrections of bosonic strings in the framework of double field theory. The previously introduced “doubled α′-geometry” gives α′-deformed gauge transformations arising in the Green-Schwarz anomaly ...
  • Hohm, Olaf; Kwak, Seung Ki; Zwiebach, Barton (Spring Berlin/Heidelberg, 2011-09)
    We use double field theory to give a unified description of the low energy limits of type IIA and type IIB superstrings. The Ramond-Ramond potentials fit into spinor representations of the duality group O(D, D) and ...
  • Bazant, Martin Z.; Storey, Brian D.; Kornyshe, Alexei A. (American Physical Society, 2011-01)
    We develop a simple Landau-Ginzburg-type continuum theory of solvent-free ionic liquids and use it to predict the structure of the electrical double layer. The model captures overscreening from short-range correlations, ...
  • Hartman, Jacob M.; Galloway, Duncan K.; Chakrabarty, Deepto (Institute of Physics Publishing, 2011-01)
    The accretion-powered millisecond pulsar IGR J00291+5934 underwent two ~10 day long outbursts during 2008, separated by 30 days in quiescence. Such a short quiescent period between outbursts has never been seen before from ...
  • Ribbeck, Katharina (Elsevier Ltd., 2009-08)
    I propose a mechanism by which viruses successfully infect new individuals, despite being immotile particles with no ability for directed movement. Within cells, viral particle movements are directed by motors and elements ...
  • Siegel, Susanna; Hilbert, David; Byrne, Alex (Cambridge University Press, 2007-12)
    One of Block's conclusions, motivated by partial-report superiority experiments, is that there is phenomenally conscious information that is not cognitively accessible. We argue that this conclusion is not supported by the data.
  • Emanuel, Kerry Andrew (National Academy of Sciences (U.S.), 2013-07)
    A recently developed technique for simulating large [O(10[superscript 4])] numbers of tropical cyclones in climate states described by global gridded data is applied to simulations of historical and future climate states ...
  • Gibson, Joanne H; Slobedman, Barry; Kn, Harikrishnan; Williamson, Sarah L; Minchenko, Dimitri; El-Osta, Assam; Stern, Joshua L; Christodoulou, John (BioMed Central Ltd, 2010-04)
    Background: The Rett Syndrome (RTT) brain displays regional histopathology and volumetric reduction, with frontal cortex showing such abnormalities, whereas the occipital cortex is relatively less affected. Results: Using ...
  • Bortvin, Alex; Goodheart, Mary; Liao, Michelle; Page, David C. (BioMed Central Ltd, 2004-02)
    Background: In mice, germ cells are specified through signalling between layers of cells comprising the primitive embryo. The function of Dppa3 (also known as Pgc7 or stella), a gene expressed in primordial germ cells at ...
  • Keeley, Charlotte N.; Ducuing, Antoine; Mollereau, Bertrand; Vincent, Stephane (Rockefeller University Press, 2015-01)
    Development is robust because nature has selected various mechanisms to buffer the deleterious effects of environmental and genetic variations to deliver phenotypic stability. Robustness relies on smart network motifs such ...
  • Grote, Jana; Bayindirli, Cansu; Bergauer, Kristin; Carpintero de Moraes, Paula; Chen, Huan; D’Ambrosio, Lindsay; Edwards, Bethanie; Fernandez-Gomez, Beatriz; Hamisi, Mariam; Logares, Ramiro; Nguyen, Dan; Rii, Yoshimi M.; Saeck, Emily; Schutte, Charles; Widner, Brittany; Church, Matthew J.; Steward, Grieg F.; Karl, David M.; DeLong, Edward; Eppley, John Marmaduke; Schuster, Stephan C.; Kyrpides, Nikos C.; Rappe, Michael S. (Genomic Standards Consortium, 2011)
    Strain HIMB100 is a planktonic marine bacterium in the class Alphaproteobacteria. This strain is of interest because it is one of the first known isolates from a globally ubiquitous clade of marine bacteria known as SAR116 ...
  • Sheh, Alexander; Shen, Zeli; Fox, James G. (American Society for Microbiology, 2014-11)
    The draft genome sequences of eight enterohepatic Helicobacter species, H. muridarum, H. trogontum, H. typhlonius, and five unnamed helicobacters, are presented here. Using laboratory mice pervasively infected with ...
  • Sheh, Alexander; Piazuelo, M. Blanca; Wilson, Keith T.; Correa, Pelayo; Fox, James G. (American Society for Microbiology, 2013-09)
    The draft genome sequences of six Colombian Helicobacter pylori strains are presented. These strains were isolated from patients from regions of high and low gastric cancer risk in Colombia and were characterized by ...
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