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Previous Issue: New Series, Vol. 248, No. 4953, Apr. 20, 1990
Next Issue: New Series, Vol. 248, No. 4955, May 4, 1990
Front Matter (10 pp.)
Science and Technology Policy, p. 421
- Philip H. Abelson
Letters
- Malaria Vaccines, p. 422
- Manuel Elkin Patarroyo; Deirdre Herrington; Stephen L. Hoffman; Myron M. Levine; Daniel M. Gordon; A. P. Waters
- Light Bending: Prediction and Theory, pp. 422-423
- Thomas P. Wilson; Bernard Bergmann; Clark McCauley; Stephen G. Brush
- Water Temperatures, pp. 423-424
- David R. Smith; Robert Pool
Erratum: Loma Prieta: Saved by a Short, Sharp Shock, p. 424
Erratum: Heart like a Wheel, p. 424
Association Affairs
- Supply and Demand for Scientists and Engineers: A National Crisis in the Making, pp. 425-432
- Richard C. Atkinson
News & Comment
- Who Will Do Science in the 1990s?, pp. 433-435
- Robert Pool
- Climate Extravaganza Bombs, p. 436
- Leslie Roberts
- Bush Hails Science at NAS, p. 436
- Barbara J. Culliton
- Mountain Sheep Experts Draw Hunters' Fire, pp. 437-438
- Eliot Marshall
Research News
- Confusion in Earliest America, pp. 439-441
- Virginia Morell
- Kaposi's Sarcoma Puzzle Begins to Yield, pp. 442-443
- Jean Marx
- Solar Neutrino-Sunspot Connection Found, pp. 444-445
- M. Mitchell Waldrop
- Family Portrait, p. 444
- Sarah Williams
- Who Will Win the El Niño Sweepstakes This Time?, p. 445
- Richard A. Kerr
Briefings
- Physicists Balk at Journalist's Award, p. 446
- Constance Holden
- Harvard Takes Math Super Bowl, p. 446
- Constance Holden
- Research Shuffle at NIMH, p. 446
- Constance Holden
- Thinking About Mars, p. 446
- Constance Holden
- Monkeys in Limbo, p. 446
- Constance Holden
- Dulbecco Takes Salk Job, p. 447
- Constance Holden
- Engineer Wins Kudos from NSF, p. 447
- Constance Holden
- Bick Leaves NIH for Italian Foundation, p. 447
- Constance Holden
- Spinoffs from AIDS Research, p. 447
- Constance Holden
- Awards for Global Environment Crusaders, p. 447
- Constance Holden
The Underclass: Definition and Measurement, pp. 450-453
- Ronald B. Mincy; Isabel V. Sawhill; Douglas A. Wolf
Atomistic Mechanisms and Dynamics of Adhesion, Nanoindentation, and Fracture, pp. 454-461
- Uzi Landman; W. D. Luedtke; Nancy A. Burnham; Richard J. Colton
Research Article
- Ultrahigh-Pressure Melting of Lead: A Multidisciplinary Study, pp. 462-465
- B. K. Godwal; Charles Meade; Raymond Jeanloz; Alberto Garcia; Amy Y. Liu; Marvin L. Cohen
Reports
- Coral-Bryozoan Mutualism: Structural Innovation and Greater Resource Exploitation, pp. 466-468
- Frank K. McKinney; Thomas W. Broadhead; Michael A. Gibson
- Twinning in MgSiO3 Perovskite, pp. 468-471
- Yanbin Wang; Francois Guyot; Amir Yeganeh-Haeri; Robert C. Liebermann
- GT-1 Binding Site Confers Light Responsive Expression in Transgenic Tobacco, pp. 471-474
- Eric Lam; Nam-Hai Chua
- Ostwald Ripening of Clays and Metamorphic Minerals, pp. 474-477
- Dennis D. Eberl; Jan Środoń; Martin Kralik; Bruce E. Taylor; Zell E. Peterman
- Phosphorus Uptake by Pigeon Pea and Its Role in Cropping Systems of the Indian Subcontinent, pp. 477-480
- Noriharu Ae; Joji Arihara; Kensuke Okada; Teruhiko Yoshihara; Chris Johansen
- RNA Polymerase II Transcription Blocked by Escherichia coli Lac Repressor, pp. 480-483
- Ulrich Deuschle; Robert A. Hipskind; Hermann Bujard
- A 49-Kilodalton Phosphoprotein in the Drosophila Photoreceptor is an Arrestin Homolog, pp. 483-486
- Takuma Yamada; Yutaka Takeuchi; Naoka Komori; Hisao Kobayashi; Yutaka Sakai; Yoshiki Hotta; Hiroyuki Matsumoto
- A Bacterial Enhancer Functions to Tether a Transcriptional Activator Near a Promoter, pp. 486-490
- Andrew Wedel; David S. Weiss; David Popham; Peter Dröge; Sydney Kustu
- Primary Structure of the γ Subunit of the DHP-Sensitive Calcium Channel from Skeletal Muscle, pp. 490-492
- Scott D. Jay; Steven B. Ellis; Ann F. McCue; Mark E. Williams; Thomas S. Vedvick; Michael M. Harpold; Kevin P. Campbell
- Evidence that β-Amyloid Protein in Alzheimer's Disease is not Derived by Normal Processing, pp. 492-495
- S. S. Sisodia; E. H. Koo; K. Beyreuther; A. Unterbeck; D. L. Price
- Two Gap Genes Mediate Maternal Terminal Pattern Information in Drosophila, pp. 495-498
- Detlef Weigel; Gerd Jürgens; Martin Klingler; Herbert Jäckle
Technical Comments
- Oldest Pinniped, pp. 499-500
- Charles A. Repenning; Annalisa Berta; André R. Wyss
Book Reviews
- Financial Behavior, pp. 501-502
- As We Forgive Our Debtors. Bankruptcy and Consumer Credit in America.
- Teresa A. Sullivan; Elizabeth Warren; Jay Lawrence Westbrook
- Review author[s]: Ramona K. Z. Heck
- Biomedical Progress Report, p. 502
- Sickle Cell Disease.
- Charles F. Whitten; John F. Bertles
- Review author[s]: John C. Parker; Eugene P. Orringer
- Guppies and Their Kin, pp. 502-503
- Ecology and Evolution of Livebearing Fishes (Poeciliidae).
- Gary K. Meffe; Franklin F. Snelson, Jr.
- Review author[s]: Fred W. Allendorf
- ----------------, p. 503
- Biological Clocks and Environmental Time.
- Serge Daan; Eberhard Gwinner
- Review author[s]: K. L.
- ----------------, p. 503
- Immunopharmacology Reviews. Vol. 1.
- John W. Hadden; Andor Szentivanyi
- Review author[s]: K. L.
- Books Received, pp. 503-504
Back Matter (16 pp.)
Previous Issue: New Series, Vol. 248, No. 4953, Apr. 20, 1990
Next Issue: New Series, Vol. 248, No. 4955, May 4, 1990