Science

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  Año 1997, Vol. 277, Número 5325

  • The scientific underpinning of policy

    Gro Harlem Brundtland

    pág. 457

    

  • Congress considers breast cancer stamp

    Jocelyn Kaiser

    pág. 465

    

  • No new taxes on grad stipends

    Jodelyn Kaiser

    pág. 465

    

  • Cash flow prospects worry academy

    Jocelyn Kaiser

    pág. 465

    

  • Poles apart on radar observatory

    Jocelyn Kaiser

    pág. 465

    

  • Showdown over clean air science

    Joeclyn Kaiser

    págs. 466-469

    

  • NIH leads research gains as Congress picks up pace

    Eliot Marshall, Andrew Lawler

    págs. 470-471

    

  • Chimp retirement plan proposed

    Wade Roush

    pág. 471

    

  • European Parliament backs new biopatent guidelines

    Nigel Williams

    pág. 472

    

  • Academy seeks government help to fight openness law

    Andrew Lawler

    pág. 473

    

  • High-speed materials design

    Robert F. Service

    págs. 474-475

    

  • Biologists cut reductionist approach down to size

    Nigel Williams

    págs. 476-477

    

  • Model explains Internet storms

    Charles Seife

    pág. 477

    

  • Gram-positive bacterium sequenced

    Nigel Williams

    pág. 478

    

  • Meteorite grains trace wandering stars

    David Ehrenstein

    pág. 478

    

  • SOHO probes the sun's turbulent neighborhood

    Alexander Hellemans

    pág. 479

    

  • How jet-lag hormone does double duty in the brain

    Marcia Barinaga

    pág. 480

    

  • Quantum spookiness wins, Einstein loses in photon test

    Andrew Watson

    pág. 481

    

  • World's oldest plant?

    Constance Holden

    pág. 483

    

  • NAE puts the focus on women

    Constance Holden

    pág. 483

    

  • Brown doctor protests firing

    Constance Holden

    pág. 483

    

  • EMBL welcomes Portugal

    Constance Holden

    pág. 483

    

  • Human-dominated ecosystems

    Richard Gallagher, Betsy Carpenter

    pág. 485

    

  • Extinction on the high seas

    David Malakoff

    págs. 486-488

    

  • `No-take' zones spark fisheries debate

    Karen F. Schmidt

    págs. 489-491

    

  • Brighter prospects for the world's coral reefs?

    Elizabeth Pennisi

    págs. 491-493

    

  • Human domination of Earth's ecosystems

    Peter M. Vitousek, Harold A. Mooney, Jane Lubchenco, J. M. Melillo

    • Resumen

    págs. 494-499

    

  • Biotic control over the functioning of ecosystems

    Brian H. Walker, F. Stewart Chapin III

    págs. 500-504

    

  • Agricultural intensification and ecosystem properties

    W.J. Parton, P.A. Matson

    págs. 504-509

    

  • The management of fisheries and marine ecosystems

    Juan Carlos Castilla, Louis W. Botsford

    págs. 509-515