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Previous Issue: New Series, Vol. 223, No. 4640, Mar. 9, 1984
Next Issue: New Series, Vol. 223, No. 4642, Mar. 23, 1984
Front Matter (23 pp.)
Letters
- Giant Panda Paternity, pp. 1127+1129
- Stephen J. O'Brien; David Goldman; John Knight; Harry D. Moore; David E. Wildt; Mitchell Bush; Richard J. Montali; Devra Kleiman
- Ediacaran Fossils, pp. 1129+1131
- Kenneth E. Caster; Roger Lewin
- Acetylene on Titan, p. 1131
- Donald S. Matteson; Jonathan I. Lunine; David J. Stevenson; Yuk L. Yung
Federal R & D Budget: Guns Versus Butter, p. 1133
- F. A. Long
Impact Theory of Mass Extinctions and the Invertebrate Fossil Record, pp. 1135-1141
- Walter Alvarez; Erle G. Kauffman; Finn Surlyk; Luis W. Alvarez; Frank Asaro; Helen V. Michel
Hydrogen-Evolving Solar Cells, pp. 1141-1148
- Adam Heller
Herbicide-Resistant Mutants from Tobacco Cell Cultures, pp. 1148-1151
- R. S. Chaleff; T. B. Ray
News and Comment
- Juarez: An Unprecedented Radiation Accident, pp. 1152-1154
- Eliot Marshall
Briefing
- Soviets Drop Farther Back in Weapons Technology, p. 1154
- R. Jeffrey Smith
- Better Living through Chemistry, pp. 1154-1155
- Marjorie Sun
- Dingell Warns Reagan on Cancer Appointments, p. 1155
- Constance Holden
- Russian Influence in Science Diminishing, p. 1155
- Constance Holden
- Agent Orange Study is like a Chameleon, pp. 1156-1157
- Jeffrey L. Fox
- V A to Study Twins, p. 1157
- Constance Holden
- ``Science Shops'' Flourish in Europe, pp. 1158-1160
- David Dickson
- States Want Stiffer EDB Rules, p. 1160
- Marjorie Sun
Research News
- Does Vitamin A Prevent Cancer?, p. 1161
- Gina Kolata
- Can Multibond Reactions Be Synchronous?, pp. 1162-1163
- Thomas H. Maugh
- Computing without Dissipating Energy, pp. 1164-1166
- Arthur L. Robinson
AAAS Annual Meeting: New York, 24-29 May 1984, pp. 1167-1169
Book Reviews
- Monopoles, p. 1170
- Magnetic Monopoles
- Richard A. Carrigan; W. Peter Trower
- Review author[s]: Jeffrey A. Harvey
- Solar Physics, pp. 1170-1171
- Weather and Climate Responses to Solar Variations
- Billy M. McCormac
- Review author[s]: W. C. Livingston
- Tropical Biology, pp. 1171-1172
- Costa Rican Natural History
- Daniel H. Janzen
- Review author[s]: Egbert Giles Leigh
- A Maya Site, pp. 1172-1173
- Coba
- William J. Folan; Ellen R. Kintz; Laraine A. Fletcher
- Review author[s]: David L. Webster
Reports
- End-Cretaceous Brachiopod Extinctions in the Chalk of Denmark, pp. 1174-1177
- Finn Surlyk; Marianne Bagge Johansen
- Terminal Cretaceous Extinctions in the Hell Creek Area, Montana: Compatible with Catastrophic Extinction, pp. 1177-1179
- J. Smit; S. Van Der Kaars
- Geologic Framework of Nonmarine Cretaceous-Tertiary Boundary Sites, Raton Basin, New Mexico and Colorado, pp. 1180-1183
- C. L. Pillmore; R. H. Tschudy; C. J. Orth; J. S. Gilmore; J. D. Knight
- The End of the Cretaceous: Sharp Boundary or Gradual Transition?, pp. 1183-1186
- W. Alvarez; L. W. Alvarez; F. Asaro; H. V. Michel
- Mass Spawning in Tropical Reef Corals, pp. 1186-1189
- Peter L. Harrison; Russell C. Babcock; Gordon D. Bull; James K. Oliver; Carden C. Wallace; Bette L. Willis
- Phenylalanine Transfer RNA: Molecular Dynamics Simulation, pp. 1189-1191
- Stephen C. Harvey; M. Prabhakaran; Boryeu Mao; J. Andrew McCammon
- Bioassay of Solubilized Bacillus thuringiensis var. israelensis Crystals by Attachment to Latex Beads, pp. 1191-1193
- Danny J. Schnell; Mary Ann Pfannenstiel; Kenneth W. Nickerson
- The Enzymatic Synthesis of 5-Amino-4-Imidazolecarboxamide Riboside Triphosphate (ZTP), pp. 1193-1195
- Richard L. Sabina; Edward W. Holmes; Michael A. Becker
- Novel Viral Sequences Related to Human T-Cell Leukemia Virus in T Cells of a Seropositive Baboon, pp. 1195-1197
- Hong-Guang Guo; Flossie Wong-Staal; Robert C. Gallo
- A Transforming ras Gene in Tumorigenic Guinea Pig Cell Lines Initiated by Diverse Chemical Carcinogens, pp. 1197-1199
- Saraswati Sukumar; Simonetta Pulciani; Jay Doniger; Joseph A. DiPaolo; Charles H. Evans; Berton Zbar; Mariano Barbacid
- Isolation, Structure, and Synthesis of a Human Seminal Plasma Peptide with Inhibin-Like Activity, pp. 1199-1202
- K. Ramasharma; M. R. Sairam; N. G. Seidah; M. Chrétien; P. Manjunath; P. W. Schiller; D. Yamashiro; Choh Hao Li
- Health Effects of Dioxin, p. 1202
- Theodor D. Sterling; Philip H. Abelson
Back Matter (19 pp.)
Previous Issue: New Series, Vol. 223, No. 4640, Mar. 9, 1984
Next Issue: New Series, Vol. 223, No. 4642, Mar. 23, 1984