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Previous Issue: New Series, Vol. 250, No. 4986, Dec. 7, 1990
Next Issue: New Series, Vol. 250, No. 4988, Dec. 21, 1990
Front Matter (16 pp.)
Incorporation of New Science Into Risk Assessment, p. 1497
- Philip H. Abelson
Letters
- When Kin Correlations Are Not Squared, p. 1498
- Thomas J. Bouchard, Jr.; David T. Lykken; Matthew McGue; Nancy L. Segal; Auke Tellegen
- Frazil Ice, p. 1498
- Steven F. Daly
- Imprisoned in Sudan, p. 1498
- H. Brinnel; M. Cabanac; R. Hales; E. Nadel; T. Nagasaka
- Carcinogenesis Debate, pp. 1498-1499
- Bruce N. Ames; Lois S. Gold
- Primate Research Institute: AIDS Research Program, p. 1499
- Preston A. Marx; Karen Wright
News and Comment
- Europe: Betting Heavily on Fusion, pp. 1500+1502
- Jeremy Cherfas
- U. S. Fusion Program: Struggling to Stay in the Game, p. 1501
- Mark Crawford
- Third Strike for NCI Breast Cancer Study, pp. 1503-1504
- Eliot Marshall
- Deficits Trip U.K. Science Funding Agencies, pp. 1504-1505
- Jeremy Cherfas
- Parallel Track: Where Should It Intersect Science?, pp. 1505-1506
- P. J. Skerrett
- NIH Panel: Bovine Hormone Gets the Nod, p. 1506
- Ann Gibbons
- Cold Fusion at Texas A&M: Problems, but No Fraud, pp. 1507-1508
- Robert Pool
- Brown Gets Science Committee Post, p. 1508
- Joseph Palca
- William Happer to Be DOE Research Chief?, p. 1508
- Mark Crawford
Research News
- Human Brain Disease Recreated In Mice, pp. 1509-1510
- Jean Marx
- Viewing the Universe as a Coat of Chain Mail, pp. 1510-1511
- M. Mitchell Waldrop
- Introns Pop up in New Places-What Does It Mean?, p. 1512
- Marcia Barinaga
- Nitrogenase Structure Revealed, p. 1513
- Anne Simon Moffat
Briefings
- Virology Dead, Says Duesberg, p. 1514
- Constance Holden
- Cyanide in Them Thar Hills?, p. 1514
- Constance Holden
- Hopeful News for CF Pilot Studies, pp. 1514-1515
- Constance Holden
- No Conflict on Conflict of Interest, p. 1515
- Constance Holden
- Paradigm Wars, p. 1515
- Constance Holden
- NEA Dumps on Science Art, p. 1515
- Constance Holden
New Physicians: A Natural Experiment in Market Organization, pp. 1524-1528
- Alvin E. Roth
Astrophysics and Cosmology Closing in on Neutrino Masses, pp. 1529-1533
- Arnon Dar
A View of Interphase Chromosomes, pp. 1533-1540
- Laura Manuelidis
Research Article
- Interfacial Catalysis: The Mechanism of Phospholipase A2, pp. 1541-1546
- David L. Scott; Steven P. White; Zbyszek Otwinowski; Wei Yuan; Michael H. Gelb; Paul B. Sigler
Reports
- Melting of Diamond at High Pressure, pp. 1547-1549
- Giulia Galli; Richard M. Martin; Roberto Car; Michele Parrinello
- Stable Isotopic Evidence for a Pedogenic Origin of Carbonates in Trench 14 Near Yucca Mountain, Nevada, pp. 1549-1552
- Jay Quade; Thure E. Cerling
- The Kangmar Dome: A Metamorphic Core Complex in Southern Xizang (Tibet), pp. 1552-1556
- Z. Chen; Y. Liu; K. V. Hodges; B. C. Burchfiel; L. H. Royden; C. Deng
- Evolution of a Balanced Sex Ratio by Frequency-Dependent Selection in a Fish, pp. 1556-1558
- David O. Conover; David A. Van Voorhees
- Acetylcholine Binding by a Synthetic Receptor: Implications for Biological Recognition, pp. 1558-1560
- Dennis A. Dougherty; David A. Stauffer
- Crystal Structure of Cobra-Venom Phospholipase A2 in a Complex with a Transition-State Analogue, pp. 1560-1563
- Steven P. White; David L. Scott; Zbyszek Otwinowski; Michael H. Gelb; Paul B. Sigler
- Crystal Structure of Bee-Venom Phospholipase A2 in a Complex with a Transition-State Analogue, pp. 1563-1566
- David L. Scott; Zbyszek Otwinowski; Michael H. Gelb; Paul B. Sigler
- Bacterial Origin of a Chloroplast Intron: Conserved Self-Splicing Group I Introns in Cyanobacteria, pp. 1566-1570
- Ming-Qun Xu; Scott D. Kathe; Heidi Goodrich-Blair; Sandra A. Nierzwicki-Bauer; David A. Shub
- An Ancient Group I Intron Shared by Eubacteria and Chloroplasts, pp. 1570-1573
- Maria G. Kuhsel; Roderick Strickland; Jeffrey D. Palmer
- Complementation of the Mitotic Activator, p80 cdc25 , by a Human Protein-Tyrosine Phosphatase, pp. 1573-1576
- Kathleen L. Gould; Sergio Moreno; Nicholas K. Tonks; Paul Nurse
- Genetic Mechanisms of Tumor Suppression by the Human p53 Gene, pp. 1576-1580
- Phang-Lang Chen; Yumay Chen; Robert Bookstein; Wen-Hwa Lee
- Norwalk Virus Genome Cloning and Characterization, pp. 1580-1583
- Xi Jiang; David Y. Graham; Kening Wang; Mary K. Estes
- Homologous Recombination and Stable Transfection in the Parasitic Protozoan Trypanosoma brucei, pp. 1583-1587
- Mary Gwo-Shu Lee; Lex H. T. Van Der Ploeg
- Spontaneous Neurodegeneration in Transgenic Mice with Mutant Prion Protein, pp. 1587-1590
- Karen K. Hsiao; Michael Scott; Dallas Foster; Darlene F. Groth; Stephen J. DeArmond; Stanley B. Prusiner
- Broadly Neutralizing Antibodies Elicited by the Hypervariable Neutralizing Determinant of HIV-1, pp. 1590-1593
- Kashi Javaherian; Alphonse J. Langlois; Greg J. LaRosa; Albert T. Profy; Dani P. Bolognesi; Walter C. Herlihy; Scott D. Putney; Thomas J. Matthews
- Secretion of Neurotoxins by Mononuclear Phagocytes Infected with HIV-1, pp. 1593-1596
- Dana Giulian; Ken Vaca; Christine A. Noonan
- Poliovirus Mutants Resistant to Neutralization with Soluble Cell Receptors, pp. 1596-1599
- Gerardo Kaplan; David Peters; Vincent R. Racaniello
Book Reviews
- New Turnings, pp. 1600-1601
- Reappraisals of the Scientific Revolution.
- David C. Lindberg; Robert S. Westman
- Review author[s]: Alan E. Shapiro
- Lives of Chemists, pp. 1601-1602
- From Cologne to Chapel Hill.
- Ernest L. Eliel
- The Right Place at the Right Time.
- John D. Roberts
- From Design to Discovery.
- Donald J. Cram
- Review author[s]: Joseph F. Bunnett
- Storage Ecology, pp. 1602-1603
- Food Hoarding in Animals.
- Stephen B. Vander Wall
- Review author[s]: David F. Sherry
- Atoms and Laser Light, p. 1603
- The Theory of Coherent Atomic Excitation.
- Bruce W. Shore
- Review author[s]: Kazimierz Rzazewski
- Books Received, pp. 1603-1604
Back Matter (24 pp.)
Previous Issue: New Series, Vol. 250, No. 4986, Dec. 7, 1990
Next Issue: New Series, Vol. 250, No. 4988, Dec. 21, 1990