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Previous Issue: New Series, Vol. 253, No. 5022, Aug. 23, 1991
Next Issue: New Series, Vol. 253, No. 5024, Sep. 6, 1991
Front Matter (12 pp.)
Toxic Chemicals and Toxic Laws, p. 949
- Daniel E. Koshland, Jr.
Letters
- Pedestals and Glass Ceilings, p. 951
- Ruth Hubbard; George A. Fulford
- Understanding Evolution, p. 951
- Michael J. Behe
- Immortal Sequence, pp. 951-952
- James B. Kaper; Harry L. T. Mobley
- Children and Divorce, p. 952
- Myrna M. Weissman; Deborah M. Capaldi; Gerald R. Patterson; Andrew J. Cherlin
- Patent Validity, p. 952
- Mark Berninger
ScienceScope, p. 955
- David P. Hamilton
News and Comment
- Is Homosexuality Biological?, pp. 956-957
- Marcia Barinaga
- The Brain as "Sexual Organ", pp. 957-959
- Ann Gibbons
- Is "Gender Gap" Narrowing?, pp. 959-960
- Constance Holden
- Britain's Crop Circles: Reaping by Whirlwind?, pp. 961-962
- Alun Anderson
- Budget Boost for Energy Science, p. 963
- David P. Hamilton
- Trimming Research Flagship's Sails, p. 963
- Joseph Palca
Briefings
- Animal Rights Vet Wins a Round, p. 964
- Constance Holden
- EMF and Male Breast Cancer?, p. 964
- Constance Holden
- Touring the Brain, p. 964
- Constance Holden
- Aerosol Gene Therapy, pp. 964-965
- Constance Holden
- Passion-Pop?, p. 965
- Constance Holden
- APA Boycotts DOD, p. 965
- Constance Holden
- Serendipitous Fix, p. 965
- Constance Holden
- Indigo for Computer Graphics Blues, p. 965
- Constance Holden
Research News
- Heeding the Call of the Wild, pp. 966-968
- Ivan Amato
- Cognitive Sciences Explored in Chicago, pp. 969-970
- Anne Simon Moffat
- Atoms Do the Two-Step on Crystal Dance Floors, p. 970
- Ivan Amato
- Taking Stock of Saddam's Fiery Legacy in Kuwait, p. 971
- Michelle Hoffman
Perspective
- Was Wright Right?, p. 973
- James F. Crow
Developments in Automatic Text Retrieval, pp. 974-980
- Gerard Salton
Animal Choice Behavior and the Evolution of Cognitive Architecture, pp. 980-986
- Leslie A. Real
Mid-Ocean Ridges: Discontinuities, Segments and Giant Cracks, pp. 986-994
- Ken C. Macdonald; Daniel S. Scheirer; Suzanne M. Carbotte
Research Articles
- An Explanation for Neptune's Ring Arcs, pp. 995-1001
- Carolyn C. Porco
- Crystal Structure of a CAP-DNA Complex: The DNA is Bent by 90°, pp. 1001-1007
- Steve C. Schultz; George C. Shields; Thomas A. Steitz
Reports
- Analysis of the Pioneer-Venus Lyman-α Image of the Hydrogen Coma of Comet P/Halley, pp. 1008-1010
- William H. Smyth; Michael R. Combi; A. I. F. Stewart
- Allerød-Younger Dryas Lake Temperatures from Midge Fossils in Atlantic Canada, pp. 1010-1012
- Ian R. Walker; Robert J. Mott; John P. Smol
- Global Text Matching for Information Retrieval, pp. 1012-1015
- Gerard Salton; Chris Buckley
- Wright's Shifting Balance Theory: An Experimental Study, pp. 1015-1018
- Michael J. Wade; Charles J. Goodnight
- Medium Effects in Antibody-Catalyzed Reactions, pp. 1019-1022
- Cristina Lewis; Thomas Krämer; Suzanne Robinson; Donald Hilvert
- Differential Phosphorylation of the Transcription Factor Oct1 During the Cell Cycle, pp. 1022-1026
- Susan Boseman Roberts; Neil Segil; Nathaniel Heintz
- Induction of Inflammatory Arthropathy Resembling Rheumatoid Arthritis in Mice Transgenic for HTLV-I, pp. 1026-1028
- Yoichiro Iwakura; Mariko Tosu; Emi Yoshida; Masafumi Takiguchi; Kazuto Sato; Isao Kitajima; Kusuki Nishioka; Kazuhiko Yamamoto; Toshio Takeda; Masakazu Hatanaka; Hiroaki Yamamoto; Toyozo Sekiguchi
- Identification of a Site in Glutamate Receptor Subunits that Controls Calcium Permeability, pp. 1028-1031
- Richard I. Hume; Raymond Dingledine; Stephen F. Heinemann
- HRR25, a Putative Protein Kinase from Budding Yeast: Association with Repair of Damaged DNA, pp. 1031-1034
- Merl F. Hoekstra; R. Michael Liskay; Alan C. Ou; Anthony J. DeMaggio; David G. Burbee; Fred Heffron
- A Difference in Hypothalamic Structure between Heterosexual and Homosexual Men, pp. 1034-1037
- Simon LeVay
Technical Comments
- Forensic DNA Tests and Hardy-Weinberg Equilibrium, pp. 1037-1041
- Joel E. Cohen; Michael Lynch; Charles E. Taylor; Philip Green; Eric S. Lander; B. Devlin; Neil Risch; Kathryn Roeder
Inside AAAS, pp. 1042-1043
- Cynthia Lollar
Book Reviews
- Our Star: Modern Views, p. 1044
- Exploring the Sun. Solar Science since Galileo.
- Karl Hufbauer
- Review author[s]: Jack Meadow
- A Modern Science in China, p. 1045
- The Study of Change. Chemistry in China, 1840-1949.
- James Reardon-Anderson
- Review author[s]: John B. Henderson
- Crustacean Mating Behavior, pp. 1045-1046
- Crustacean Sexual Biology.
- Raymond T. Bauer; Joel W. Martin
- Review author[s]: Anson H. Hines; L. David Smith
- Books Received, p. 1046
Back Matter (18 pp.)
Previous Issue: New Series, Vol. 253, No. 5022, Aug. 23, 1991
Next Issue: New Series, Vol. 253, No. 5024, Sep. 6, 1991