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Previous Issue: New Series, Vol. 253, No. 5016, Jul. 12, 1991
Next Issue: New Series, Vol. 253, No. 5018, Jul. 26, 1991
Front Matter (11 pp.)
Heroines and Role Models, p. 249
- Maxine F. Singer
Letters
- Species Hybridization and Protection of Endangered Animals, pp. 250-252
- George D. Amato; Ronald M. Nowak; Stephen J. O'Brien; Ernst Mayr; Eric R. Glitzenstein
ScienceScope, p. 255
- David P. Hamilton
News and Comment
- Tilting at the Space Station, pp. 256-258
- Eliot Marshall
- Greenhouse Role in Reef Stress Unproven, pp. 258-259
- Leslie Roberts
- Geographic Fission on Fusion, p. 259
- David P. Hamilton
- Does War on Cancer Equal War on Poverty?, p. 260
- Ann Gibbons
- Tilting Toward Megaprojects, p. 261
- Colin Norman
- Communist Academics Refuse to Fade Away, pp. 261-262
- Richard Sietmann
- Promising AIDS Drug Looking for a Sponsor, pp. 262-263
- Joseph Palca
Briefings
- Brain Food in Computer Games, p. 264
- Constance Holden
- UK OKs RU-486, p. 264
- Constance Holden
- Who Are the Animal Rightsers?, p. 264
- Constance Holden
- SSC Fundraiser Resigns, pp. 264-265
- Constance Holden
- Coming of Age for Mental Health, p. 265
- Constance Holden
- Superchicken, p. 265
- Constance Holden
- Keeping Up?, p. 265
- Constance Holden
- Skullduggery, p. 265
- Constance Holden
Research News
- Alzheimer's Research Moves to Mice, pp. 266-267
- Jean Marx
- Radio Astronomy's Crumbling Showpiece, pp. 268-269
- M. Mitchell Waldrop
- A Speedier Way to Decompose Polygons, p. 270
- Barry Cipra
- Dancing with Death at Unzen Volcano, p. 271
- Richard A. Kerr
- A Tentative Vote for Supersymmetry, p. 272
- David P. Hamilton
Perspective
- Oxygen Activation at the Diiron Center of Ribonucleotide Reductase, pp. 273-274
- Lawrence Que, Jr.
Fallout of Pyroclastic Debris from Submarine Volcanic Eruptions, pp. 275-280
- Katharine V. Cashman; Richard S. Fiske
Nonlinear Optical Materials, pp. 281-287
- David F. Eaton
Computations Underlying the Execution of Movement: A Biological Perspective, pp. 287-291
- Emilio Bizzi; Ferdinando A. Mussa-Ivaldi; Simon Giszter
Research Article
- Mechanism of Assembly of the Tyrosyl Radical-Dinuclear Iron Cluster Cofactor of Ribonucleotide Reductase, pp. 292-298
- J. M. Bollinger, Jr.; D. E. Edmondson; B. H. Huynh; J. Filley; J. R. Norton; J. Stubbe
Reports
- Expansion and Contraction of the Sahara Desert from 1980 to 1990, pp. 299-301
- Compton J. Tucker; Harold E. Dregne; Wilbur W. Newcomb
- Organic Molecular Soft Ferromagnetism in a Fullerene C 60, pp. 301-303
- Pierre-Marc Allemand; Kishan C. Khemani; Andrew Koch; Fred Wudl; Karoly Holczer; Steven Donovan; George Grüner; Joe D. Thompson
- Early Differentiation of the Earth and the Problem of Mantle Siderophile Elements: A New Approach, pp. 303-306
- V. Rama Murthy
- A Mechanical Trigger for the Trot-Gallop Transition in Horses, pp. 306-308
- Claire T. Farley; C. Richard Taylor
- Hybridization between European and Africanized Honey Bees in the Neotropical Yucatan Peninsula, pp. 309-311
- Thomas E. Rinderer; J. Anthony Stelzer; Benjamin P. Oldroyd; Steven M. Buco; William L. Rubink
- Transcription-Dependent and Transcription-Independent Nuclear Transport of hnRNP Proteins, pp. 312-314
- Serafín Piñol-Roma; Gideon Dreyfuss
- Kinetic Characterization of Ribonuclease-Resistant 2′-Modified Hammerhead Ribozymes, pp. 314-317
- Wolfgang A. Pieken; David B. Olsen; Fritz Benseler; Helle Aurup; Fritz Eckstein
- Deleted HTLV-I Provirus in Blood and Cutaneous Lesions of Patients with Mycosis Fungoides, pp. 317-320
- William W. Hall; Chunren R. Liu; Olaf Schneewind; Hidehiro Takahashi; Mark H. Kaplan; Gosta Röupe; Anders Vahlne
- Inhibition of Entry of HIV-1 in Neural Cell Lines by Antibodies Against Galactosyl Ceramide, pp. 320-323
- Janet M. Harouse; Shama Bhat; Steven L. Spitalnik; Mark Laughlin; Kelly Stefano; Donald H. Silberberg; Francisco Gonzalez-Scarano
- Deposits of Amyloid β Protein in the Central Nervous System of Transgenic Mice, pp. 323-325
- D. O. Wirak; R. Bayney; T. V. Ramabhadran; R. P. Fracasso; J. T. Hart; P. E. Hauer; P. Hsiau; S. K. Pekar; G. A. Scangos; B. D. Trapp; A. J. Unterbeck
- Evidence for the Effects of a Superantigen in Rheumatoid Arthritis, pp. 325-329
- Xavier Paliard; Sterling G. West; Joyce A. Lafferty; Janice R. Clements; John W. Kappler; Philippa Marrack; Brian L. Kotzin
- Buckminsterfullerane: The Inside Story, pp. 330-331
- Martin Saunders
Technical Comment
- Controls for Lesions of the Nigrostriatal Dopamine System, p. 332
- Terry E. Robinson; Charles R. Gerfen; Thomas M. Engber
Book Reviews
- A Singular Genius, pp. 334-335
- The Man Who Knew Infinity. A Life of the Indian Genius Ramanujan.
- Robert Kanigel
- Review author[s]: Jonathan M. Borwein; Peter B. Borwein
- A Gendered Life, pp. 335-336
- Jessie Bernard. The Making of a Feminist.
- Robert C. Bannister
- Review author[s]: Marcia Millman
- ----------------, p. 336
- Review author[s]: K. L.
- ----------------, pp. 336-337
- The Monkeys of Arashiyama. Thirty-Five Years of Research in Japan and the West.
- Linda Marie Fedigan; Pamela J. Asquith
- Review author[s]: K. L.
- Books Received, p. 337
Back Matter (15 pp.)
Previous Issue: New Series, Vol. 253, No. 5016, Jul. 12, 1991
Next Issue: New Series, Vol. 253, No. 5018, Jul. 26, 1991