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Previous Issue: New Series, Vol. 261, No. 5127, Sep. 10, 1993
Next Issue: New Series, Vol. 261, No. 5129, Sep. 24, 1993
Front Matter (40 pp.)
Editorial: A Multipurpose National Laboratory, p. 1503
- Philip H. Abelson
Letters
- B Factory Proposals, p. 1505
- Burton Richter
- Biology at Caltech, pp. 1505-1506
- Robert L. Sinsheimer; Norman H. Horowitz; Robert Olby
- Genetic Variation in Africa, pp. 1507-1508
- A. G. Thorne; M. H. Wolpoff; R. B. Eckhardt; L. L. Cavalli-Sforza; Paolo Menozzi; Alberto Piazza
Corrections and Clarifications: Demic Expansions and Human Evolution, p. 1508
Policy Forum
- Science and the Toxic Tort, pp. 1509+1614
- Kenneth R. Foster; David E. Bernstein; Peter W. Huber
ScienceScope, p. 1511
- Richard Stone
News and Comment
- Senate Turns Up the Heat on NSF, pp. 1512-1513
- Eliot Marshal
- White House Plans New Science Council, p. 1513
- Eliot Marshal
- EPA Analysis of Radon in Water Is Hard to Swallow, pp. 1514-1516
- Richard Stone
- White House Seeks Uniform Policy, p. 1516
- Christopher Anderson
- A New Study Finds There's Life Left in the Green Revolution, p. 1517
- Bob Holmes
Research News
- How Lethal Was the K-T Impact?, pp. 1518+1519
- Virginia Morell
- A Bigger Death Knell for the Dinosaurs?, pp. 1518-1519
- Richard A. Kerr
- New Lead to an Alzheimer's Mouse?, p. 1520
- Jean Marx
- Closing In on X-Ray Background Origins, pp. 1520-1521
- Faye Flam
- Holding the Lines in High-Temperature Superconductors, pp. 1521-1522
- Gary Taubes
- PARC Builds a World Saturated With Computation, pp. 1523-1524
- M. Mitchell Waldrop
Random Samples, p. 1525
- Constance Holden
Perspective
- Gene Expression and the Cell Cycle: A Family Affair, pp. 1543-1544
- Brenda J. Andrews; Stephen W. Mason
Chemistry of the Fullerenes: The Manifestation of Strain in a Class of Continuous Aromatic Molecules, pp. 1545-1550
- R. C. Haddon
Research Article
- A Role for the Transcription Factors Mbp1 and Swi4 in Progression from G1 to S Phase, pp. 1551-1557
- Christian Koch; Thomas Moll; Manfred Neuberg; Horst Ahorn; Kim Nasmyth
Reports
- Mechanism and Dynamics of Ion Transfer Across a Liquid-Liquid Interface, pp. 1558-1560
- Ilan Benjamin
- Cross-Shelf Sediment Transport by an Anticyclonic Eddy Off Northern California, pp. 1560-1564
- Libe Washburn; Mark S. Swenson; John L. Largier; P. Michael Kosro; Steven R. Ramp
- Chicxulub Multiring Impact Basin: Size and Other Characteristics Derived from Gravity Analysis, pp. 1564-1567
- Virgil L. Sharpton; Kevin Burke; Antonio Camargo-Zanoguera; Stuart A. Hall; D. Scott Lee; Luis E. Marín; Gerardo Suárez-Reynoso; Juan Manuel Quezada-Muñeton; Paul D. Spudis; Jaime Urrutia-Fucugauchi
- Chemical Modification of the Photoluminescence Quenching of Porous Silicon, pp. 1567-1568
- Jeffrey M. Lauerhaas; Michael J. Sailor
- A Potentially Realizable Quantum Computer, pp. 1569-1571
- Seth Lloyd
- A UV-Sensitive Mutant of Arabidopsis Defective in the Repair of Pyrimidine-Pyrimidinone(6-4) Dimers, pp. 1571-1574
- A. B. Britt; J.-J. Chen; D. Wykoff; D. Mitchell
- Major Groove Accessibility of RNA, pp. 1574-1577
- Kevin M. Weeks; Donald M. Crothers
- Probing the Mechanism of Staphylococcal Nuclease with Unnatural Amino Acids: Kinetic and Structural Studies, pp. 1578-1581
- J. Kevin Judice; Theresa R. Gamble; Elizabeth C. Murphy; Abraham M. de Vos; Peter G. Schultz
- Thymic Selection of Cytotoxic T Cells Independent of CD8α-Lck Association, pp. 1581-1584
- Iris T. Chan; Andreas Limmer; Marjorie C. Louie; Eric D. Bullock; Wai-Ping Fung-Leung; Tak W. Mak; Dennis Y. Loh
- Disappearance of the Lymphoid System in Bcl-2 Homozygous Mutant Chimeric Mice, pp. 1584-1588
- Kei-ichi Nakayama; Keiko Nakayama; Izumi Negishi; Keisuke Kuida; Yoichi Shinkai; Marjorie C. Louie; Larry E. Fields; Phillip J. Lucas; Valerie Stewart; Frederick W. Alt; Dennis Y. Loh
- Immunoglobulin VH3 Gene Products: Natural Ligands for HIV gp 120, pp. 1588-1591
- Linda Berberian; Lee Goodglick; Thomas J. Kipps; Jonathan Braun
- IRS-1: Essential for Insulin- and IL-4-Stimulated Mitogenesis in Hematopoietic Cells, pp. 1591-1594
- Ling-Mei Wang; Martin G. Myers, Jr.; Xiao-Jian Sun; Stuart A. Aaronson; Morris White; Jacalyn H. Pierce
- Neuroblast Specification and Formation Regulated by wingless in the Drosophila CNS, pp. 1594-1597
- Quynh Chu-LaGraff; Chris Q. Doe
Book Reviews
- The Culture of Zoocide, pp. 1609-1610
- A View to a Death in the Morning. Hunting and Nature Through History.
- Matt Cartmill
- Review author[s]: Robert W. Rydell
- The Origins of Plagues, pp. 1610-1611
- Emerging Viruses.
- Stephen S. Morse
- Review author[s]: Walter Dowdle
- Extracellular Organizers, pp. 1611-1613
- Molecular and Cellular Aspects of Basement Membranes.
- David H. Rohrbach; Rupert Timpl
- Review author[s]: Lance A. Liotta
- Books Received, p. 1613
Back Matter (34 pp.)
Previous Issue: New Series, Vol. 261, No. 5127, Sep. 10, 1993
Next Issue: New Series, Vol. 261, No. 5129, Sep. 24, 1993