Science

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  Año 1994, Vol. 264, Número 5157

  • Prevention of drug access to bacterial targets: Permeability barriers and active efflux

    Hiroshi Nikaido

    págs. 382-387

    

  • Resistance to antibiotics mediated by target alterations

    Brian G. Spratt

    págs. 388-393

    

  • Synthesis, isolation, and equilibration of 1,9- and 7,8-C70H2

    Craig C. Henderson, Celeste McMichael

    págs. 397-399

    

  • A mass spectrometric solution to the address problem of combinatorial libraries

    Irene N. W. Lee, Christopher L. Brummel

    págs. 399-402

    

  • Antiferromagnetic ordering and paramagnetic behavior of ferromagnetic Cu6 and Cu18 clusters in

    Z.-R. Wang, X.-L. Wang

    págs. 402-404

    

  • Temperatures in earth's core based on melting and phase transformation experiments on iron

    S. K. Saxena, G. Shen

    págs. 405-407

    

  • Topographic forcing of the atmosphere and a rapid change in the length of day

    David A. Salstein, Richard D. Rosen

    págs. 407-409

    

  • Anistropy and coherent vortex structures in planetary turbulence

    Jeffrey B. Weiss, James C. McWilliams

    págs. 410-413

    

  • Thousandfold change in resistivity in magnetoresistive La-Ca-Mn-O films

    T. H. Tiefel, S. Jin

    págs. 413-415

    

  • Adhesion forces between individual ligand-receptor pairs

    Ernst-Ludwig Florin, Veincent T. Moy

    págs. 415-417

    

  • Structure of the tet repressor-tetracycline complex and regulation of antibiotic resistance

    Caroline Kisker, Winfried Hinrichs

    págs. 418-420

    

  • Stomatal size in fossil plants: Evidence for polyploidy in majority of angiosperms

    Jane Masterson

    págs. 421-424

    

  • Differential complementation of Bcr-Abl point mutants with c-Myc

    Andrei Goga, Daniel E. H. Afar

    págs. 424-426

    

  • A dual embryonic origin for vertebrate mechanoreceptors

    Scott E. Fraser, Andres Collazo

    págs. 426-430

    

  • Association of intestinal peptide transport with a protein related to the cadherin superfamily

    JoAnn Hoskins, Anne H. Dantzig

    págs. 430-433

    

  • Association of poly(CA).Poly(TG) DNA fragments into four-stranded complexes bound by HMG1 and 2

    Claire Gaillard, Francois Strauss

    págs. 433-436

    

  • A cell regulator potentially involved in genesis of many tumor types

    Nelleke A. Gruis, Alexander Kamb

    págs. 436-440

    

  • Science advances one step at a time. But with the space station, it could take a quantum leap

    págs. 441-442

    

  • `The U.S. will save $2 billion [on] a space station that is larger and in better orbit

    págs. 442-443

    

  • The space station's new design

    págs. 442-443

    

  • The space station is moving off the computer screen and into reality

    pág. 442

    

  • The space station will be developed in three phases

    pág. 443

    

  • Breathtaking hubble spacewalks demonstrate techniques to be used on space station

    pág. 444

    

  • New flight pattern allows better earth view

    pág. 444

    

  • The space station costs each American just 2.2 cents a day

    pág. 444

    

  • Fly culture

    Philip J. Pauly

    págs. 445-446

    

  • Fatal disharmonies

    págs. 446-447

    

  • A theory of perception

    John C. Baird

    págs. 447-448

    

  • Vignettes: The science of humans

    pág. 447

    

  • `Organic technology'

    Nicolaas Bloembergen

    pág. 448