Science

• 

  Año 1993, Vol. 260, Número 5107

  • Science and technology in government

    Philip H. Abelson, Richard S. Nicholson

    pág. 471

    

  • Congress takes up banner for biodiversity

    Richard Stone

    pág. 479

    

  • Day of judgment nears for tPA

    Richard Stone

    pág. 479

    

  • Former EMBL chief to lead big apple lab

    Richard Stone

    pág. 479

    

  • Suit puts EMF science on trial

    Richard Stone

    pág. 479

    

  • A clouded future for IBM research

    David H. Freedman

    págs. 480-481

    

  • Drug companies join forces in search for AIDS therapy

    Jon Cohen

    pág. 482

    

  • Mirror, mirror, which is fairest?

    Faye Flam

    págs. 483-484

    

  • A new kind of earmarking

    Christopher Anderson

    pág. 483

    

  • At state schools, calculus reform goes mainstream

    Barry Cipra

    págs. 484-485

    

  • AAAS's very own red scare

    Wayne Biddle

    pág. 486

    

  • PCR enzyme patent challenged

    Peter Aldhous

    pág. 486

    

  • Secrets of secretion revealed

    Marcia Barinaga

    págs. 487-489

    

  • Ozone takes a nose dive after the eruption of Mt. Pinatubo

    Richard A. Kerr

    págs. 490-491

    

  • How to drive nucleic acids up a tree

    Ivan Amato

    pág. 491

    

  • OGLEing, MACHOs, and the search for dark matter

    Gary Taubes

    págs. 492-493

    

  • Scientists chase gravity's rainbow

    Faye Flam

    pág. 493

    

  • Science on the move

    Constance Holden

    págs. 494-495

    

  • Predicting performance in graduate school

    Constance Holden

    pág. 494

    

  • More women among the tenured

    Constance Holden

    pág. 494

    

  • Putting scientists into science fiction

    Constance Holden

    pág. 494

    

  • AAAS members have their say

    Constance Holden

    pág. 495

    

  • Up-to-date evolution

    Constance Holden

    pág. 495

    

  • Follow-the-leader math

    Constance Holden

    pág. 495

    

  • IL-12: Initiation cytokine for cell-mediated immunity

    Phillip Scott

    págs. 496-497

    

  • Removal of contaminants from soils by electric fields

    R. Edwin Hicks, Ronald F. Probstein

    págs. 498-503

    

  • Movement of the guide sequence during RNA catalysis by a group I ribozyme

    William D. Downs, Jin-Feng Wang

    págs. 504-508

    

  • The opposition effect of the moon: The contribution of coherent backscatter

    Bruce W. Hapke, Robert M. Nelson

    págs. 509-511

    

  • Manganese oxide octahedral molecular sieves: Preparation, characterization, and applications

    R.P. Zerger, Y.F. Shen

    págs. 511-515

    

  • Vapor condensation generation and STM analysis of fullerene tubes

    Klaus Sattler, Maohui Ge

    págs. 515-518