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Science, New Series, Vol. 263, No. 5145, Jan. 21, 1994


Previous Issue: New Series, Vol. 263, No. 5144, Jan. 14, 1994
Next Issue: New Series, Vol. 263, No. 5146, Jan. 28, 1994


Front Matter (28 pp.)
Editorial: U.S. Petroleum: Past and Future, p. 303
Philip H. Abelson


Letters
Italy's Role in EMBL, p. 305
Vittorio Sgaramella
Environmental Management, pp. 305-306
William R. Jordan III
Michigan Support for Faculty Member, p. 306
Walter Harrison
Trot and Pace, pp. 306-307
Robert Haas
Not Huxley's Student, pp. 307-308
David L. Hull
Good Songs, p. 308
Eugenie C. Scott; Edward F. Hawkins


Corrections and Clarifications: A Prize for Patient Listening, p. 308
ScienceScope, p. 311
Richard Stone


News and Comment
Can Carol Browner Reform EPA?, pp. 312-315
Richard Stone
Italy Throws EMBL Into Turmoil, p. 315
Peter Aldhous
Environmental R&D Shakeup Rattles the National Labs, p. 316
Richard Sietmann
Easy-to-Alter Digital Images Raise Fears of Tampering, pp. 317-318
Christopher Anderson
Technology for Turning Seeing Into Believing, p. 318
Gary Taubes


Research News
How Cells Cycle Toward Cancer, pp. 319-321
Jean Marx
Researchers Try to Build Time Machines for Microwaves, pp. 321-322
James Glanz
In Ancient Climate, Orbital Chaos?, p. 323
Larry Krumenaker
New Images Highlight Hubble Fix, p. 323
Faye Flam
Boning Up: Newly Isolated Proteins Heal Bad Breaks, pp. 324-325
Joseph Alper


Random Samples, pp. 326-327
Constance Holden


Perspectives
Lasers Without Inversion, pp. 337-338
Marlan O. Scully; Michael Fleischhauer
Polyketide Biosynthesis: Molecular Recognition or Genetic Programming?, pp. 338-340
David E. Cane


Detecting Climatic Change Signals: Are There Any "Fingerprints"?, pp. 341-347
Stephen H. Schneider


Research Article
Hin Recombinase Bound to DNA: The Origin of Specificity in Major and Minor Groove Interactions, pp. 348-355
Jin-An Feng; Reid C. Johnson; Richard E. Dickerson


Reports
Crystal Structure of the High-Pressure Phase of Solid CO2, pp. 356-358
K. Aoki; H. Yamawaki; M. Sakashita; Y. Gotoh; K. Takemura
Wind Streaks on Venus: Clues to Atmospheric Circulation, pp. 358-361
Ronald Greeley; Gerald Schubert; Daniel Limonadi; Kelly C. Bender; William I. Newman; Peggy E. Thomas; Catherine M. Weitz; Stephen D. Wall
500,000-Year Stable Carbon Isotopic Record from Devils Hole, Nevada, pp. 361-365
Tyler B. Coplen; Isaac J. Winograd; Jurate M. Landwehr; Alan C. Riggs
Distinguishing the Direct and Indirect Products of a Gas-Surface Reaction, pp. 365-367
Charles T. Rettner; Daniel J. Auerbach
High-Performance Photorefractive Polymers, pp. 367-369
Martin Liphardt; Arosha Goonesekera; Brian E. Jones; Stephen Ducharme; James M. Takacs; Lei Zhang
Built for Jumping: The Design of the Frog Muscular System, pp. 370-372
Gordon J. Lutz; Lawrence C. Rome
Benefit to male Sailfin Mollies of Mating with Heterospecific Females, pp. 373-374
Ingo Schlupp; Cathy Marler; Michael J. Ryan
Structure of the Catalytic Domain of Fibroblast Collagenase Complexed with an Inhibitor, pp. 375-377
Brett Lovejoy; Anne Cleasby; Anne M. Hassell; Kelly Longley; Michael A. Luthe; Debra Weigl; Gerard McGeehan; Andrew B. McElroy; David Drewry; Millard H. Lambert; Steven R. Jordan
Stereospecific Acyl Transfers on the Erythromycin-Producing Polyketide Synthase, pp. 378-380
Andrew F. A. Marsden; Patrick Caffrey; Jesus F. Aparicio; Mark S. Loughran; James Staunton; Peter F. Leadlay
Rational Design of Potent, Bioavailable, Nonpeptide Cyclic Ureas as HIV Protease Inhibitors, pp. 380-384
Patrick Y. S. Lam; Prabhakar K. Jahdav; Charles J. Eyermann; C. Nicholas Hodge; Yu Ru; Lee T. Bacheler; James L. Meek; Michael J. Otto; Marlene M. Rayner; Y. Nancy Wong; Chong-Hwan Chang; Patricia C. Weber; David A. Jackson; Thomas R. Sharpe; Susan Erickson-Viitanen
Regulation of MHC Class I Transport by the Molecular Chaperone, Calnexin (p88, IP90), pp. 384-387
Michael R. Jackson; Myrna F. Cohen-Doyle; Per A. Peterson; David B. Williams
Retention of Unassembled Components of Integral Membrane Proteins by Calnexin, pp. 387-390
Sumati Rajagopalan; Yuhui Xu; Michael B. Brenner
Cell Membrane Resealing by a Vesicular Mechanism Similar to Neurotransmitter Release, pp. 390-393
Richard A. Steinhardt; Guoqiang Bi; Janet M. Alderton


Book Reviews
Microbial Servants, p. 400
The Clostridia and Biotechnology.
D. R. Woods
Review author[s]: Eva R. Kashket
Life in Harsh Habitats, pp. 401-402
Antarctic Microbiology.
E. Imre Friedmann; Anne B. Thistle
Review author[s]: Edward F. DeLong
Recipes for Disaster, pp. 402-403
Volcanoes. A Planetary Perspective.
Peter Francis
Review author[s]: Jonathan Fink
Radio Days, pp. 403-404
Beyond Southern Skies. Radio Astronomy and the Parkes Telescope.
Peter Robertson
Review author[s]: R. D. Davies
Books Received, pp. 404-405


Back Matter (35 pp.)

Previous Issue: New Series, Vol. 263, No. 5144, Jan. 14, 1994
Next Issue: New Series, Vol. 263, No. 5146, Jan. 28, 1994



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