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Science, New Series, Vol. 257, No. 5078, Sep. 25, 1992


Previous Issue: New Series, Vol. 257, No. 5077, Sep. 18, 1992
Next Issue: New Series, Vol. 258, No. 5079, Genome Issue, Oct. 2, 1992


Volume Information (11 pp.)
Front Matter (40 pp.)
Editorial: Instrumentation, p. 1843
John I. Brauman


Letters
Hydrocoral Species Not Extinct, p. 1845
Peter W. Glynn; Joshua S. Feingold
Lyme Disease: Asking the Right Questions, pp. 1845-1847
Carl Brenner
Enantiomerically Pure Drugs, pp. 1847-1848
John M. Brown
HIV-Free AIDS Reports, p. 1848
Peter Duesberg
Population Genetics: Founding Fathers, p. 1848
D. R. Govindaraju


Corrections and Clarifications: Soft Matter, p. 1848
Corrections and Clarifications: Dendritic Cells Exposed to Human Immunodeficiency Virus Type-1 Transmit a Vigorous Cytopathic Infection to CD4+ T Cells, p. 1848
ScienceScope, p. 1851
Richard Stone


News and Comment
Everglades Rebound From Andrew, pp. 1852-1854
Joe Alper
Monkey Tests Spark Safety Review, p. 1854
Larry Thompson
U.S. Officials Say Non on Royalties, p. 1855
Jon Cohen
Rumors Fly Over Rejection of NIH Claim, p. 1855
Leslie Roberts
New French Biomedical Center Breaks the Mold, pp. 1856-1857
Peter Aldhous
Agencies Split on Nutrition Advice, p. 1857
Joseph Palca


Research News
Physicists Take Aim at Antihydrogen, pp. 1858-1860
John Travis
30-Million-Year-Old DNA Boosts an Emerging Field, pp. 1860-1862
Virginia Morell
Could Protons Be Mortal After All?, pp. 1862-1863
Faye Flam
Hungarian Fossils Stir Debate On Ape and Human Origins, pp. 1864-1865
Ann Gibbons
Planetesimal Found Beyond Neptune, p. 1865
Richard A. Kerr


Random Samples, pp. 1866-1867
Constance Holden


Instrumentation
Weighing Naked Proteins: Practical, High-Accuracy Mass Measurement of Peptides and Proteins, pp. 1885-1894
Brian T. Chait; Stephen B. H. Kent
Detection of Trace Molecular Species Using Degenerate Four-Wave Mixing, pp. 1894-1900
Roger L. Farrow; David J. Rakestraw
From Molecules to Cells: Imaging Soft Samples with the Atomic Force Microscope, pp. 1900-1905
M. Radmacher; R. W. Tillmann; M. Fritz; H. E. Gaub
The Cytosensor Microphysiometer: Biological Applications of Silicon Technology, pp. 1906-1912
H. M. McConnell; J. C. Owicki; J. W. Parce; D. L. Miller; G. T. Baxter; H. G. Wada; S. Pitchford
Ultrafast Infrared Spectroscopy, pp. 1913-1917
Page O. Stoutland; R. Brian Dyer; William H. Woodruff


Research Article
Interactions of Small Nuclear RNA's with Precursor Messenger RNA During in Vitro Splicing, pp. 1918-1925
David A. Wassarman; Joan A. Steitz


Reports
Comet Yanaka (1988r): A New Class of Carbon-Poor Comet, pp. 1926-1929
Uwe Fink
Miocene Fossil Hominids and the Chimp-Human Clade, pp. 1929-1933
David R. Begun
DNA Sequences from a Fossil Termite in Oligo-Miocene Amber and Their Phylogenetic Implications, pp. 1933-1936
Rob DeSalle; John Gatesy; Ward Wheeler; David Grimaldi
Measurement of Quantum Tunneling Between Chiral Isomers of the Cyclic Water Trimer, pp. 1937-1940
N. Pugliano; R. J. Saykally
Discovery of a Peptide-Based Renin Inhibitor with Oral Bioavailability and Efficacy, pp. 1940-1943
Hollis D. Kleinert; Saul H. Rosenberg; William R. Baker; Herman H. Stein; Vered Klinghofer; Jennifer Barlow; Kenneth Spina; James Polakowski; Peter Kovar; Jerome Cohen; Jon Denissen
Actin Filament Dynamics in Living Glial Cells Imaged by Atomic Force Microscopy, pp. 1944-1946
E. Henderson; P. G. Haydon; D. S. Sakaguchi
Multiple Zinc Finger Forms Resulting from Developmentally Regulated Alternative Splicing of a Transcription Factor Gene, pp. 1946-1950
Tien Hsu; Joseph A. Gogos; Susan A. Kirsh; Fotis C. Kafatos
Sequence Discrimination by Alternatively Spliced Isoforms of a DNA Binding Zinc Finger Domain, pp. 1951-1955
Joseph A. Gogos; Tien Hsu; Jesse Bolton; Fotis C. Kafatos
Inactivation of the p34 cdc2 -Cyclin B Complex by the Human WEE1 Tyrosine Kinase, pp. 1955-1957
Laura L. Parker; Helen Piwnica-Worms
Association of Human Cyclin E with a Periodic G1-S Phase Protein Kinase, pp. 1958-1961
Vjekoslav Dulić; Emma Lees; Steven I. Reed


Inside AAAS, pp. 1962-1964
Karen Hopkin


Book Reviews
Activists and the AIDS Business, pp. 1975-1976
Against the Odds. The Story of AIDS Drug Development, Politics and Profits.
Peter S. Arno; Karyn L. Feiden
Review author[s]: Wendy K. Mariner
Microstructure Revealed, p. 1976
Images of Materials.
David B. Williams; Alan R. Pelton; Ronald Gronsky
Review author[s]: Frank W. Gayle
Sydney and Beyond, p. 1977
A Passion for Physics. The Story of a Woman Physicist.
Joan Freeman
Review author[s]: Walter Moore
Reprints of Books Previously Reviewed, p. 1977
Books Received, pp. 1977-1978


Back Matter (23 pp.)

Previous Issue: New Series, Vol. 257, No. 5077, Sep. 18, 1992
Next Issue: New Series, Vol. 258, No. 5079, Genome Issue, Oct. 2, 1992



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