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Science, New Series, Vol. 235, No. 4794, Mar. 13, 1987


Previous Issue: New Series, Vol. 235, No. 4793, Mar. 6, 1987
Next Issue: New Series, Vol. 235, No. 4795, Mar. 20, 1987


Front Matter (37 pp.)
Export Controls of High-Technology Goods, p. 1297
Philip H. Abelson


Letters
Support for the Uspenskiis, p. 1307
Matthew H. Greenstone
Transplantation of Neural Tissue from Fetuses, pp. 1307-1308
Mary B. Mahowald; Judith Areen; Barry J. Hoffer; Albert R. Jonsen; Patricia King; Jerry Silver; John R. Sladek; LeRoy Walters
The Theory of the Majoron, p. 1308
F. T. Avignone
Retraction of Research Findings, p. 1308
Donald A. B. Lindberg


Erratum: Back to the Energy Crisis., p. 1308
Erratum: Teacher Certification Program Under Way., p. 1308


Perspective
New Insights into Antigen Recognition, pp. 1311-1313
Philippa Marrack


News & Comment
Savannah River's $1-Billion Glassmaker, pp. 1314-1317
Eliot Marshall
ERAB Sets Priorities for Energy Department's Physics Research, p. 1317
Mark Crawford
Hughes Settles with IRS, p. 1318
Barbara J. Culliton
Human Trials Begin for Malaria Vaccine, pp. 1319-1320
John Walsh
Chip Makers Plan Research Center, p. 1320
Eliot Marshall
Science Policy Programs Progress, pp. 1320-1321
John Walsh
Glenn Asks Reagan to Halt Pakistan Aid Pending Review of Nuclear Programs, p. 1321
Mark Crawford
NIH to Restore Slashed Grants, p. 1321
Barbara J. Culliton


Research News
The Supernova 1987A Shows a Mind of its Own--and a Burst of Neutrinos, pp. 1322-1323
M. Mitchell Waldrop
Briefing, p. 1323
Gina Kolata
A 16-Megabit Memory Chip from Japan, pp. 1324-1325
Arthur L. Robinson
The Surprising Genetics of Bottlenecked Flies, pp. 1325-1327
Roger Lewin
New Understanding of Gaucher's Disease, p. 1328
Gina Kolata


Policy Forum
Regulation of Products from Biotechnology, pp. 1329-1332
Frances E. Sharples
Bacterial Domestication: Underlying Assumptions, pp. 1329+1332-1335
Bernard D. Davis


The Urban Homeless: Estimating Composition and Size, pp. 1336-1341
Peter H. Rossi; James D. Wright; Gene A. Fisher; Georgianna Willis

Chromatography with Supercritical Fluids, pp. 1342-1347
Milton L. Lee; Karin E. Markides

The Regulation of Natural Anticoagulant Pathways, pp. 1348-1352
Charles T. Esmon

The Relation between Major Histocompatibility Complex (MHC) Restriction and the Capacity of Ia to Bind Immunogenic Peptides, pp. 1353-1358
Soren Buus; Alessandro Sette; Sonia M. Colon; Craig Miles; Howard M. Grey


Reports
Markarian 348: A Tidally Disturbed Seyfert Galaxy, pp. 1367-1370
Susan M. Simkin; Jacqueline Van Gorkom; John Hibbard; Hong-Jun Su
Mutants of Bovine Pancreatic Trypsin Inhibitor Lacking Cysteines 14 and 38 Can Fold Properly, pp. 1370-1373
Cara Berman Marks; Hossein Naderi; Phyllis Anne Kosen; Irwin D. Kuntz; Stephen Anderson
Superconductivity at 40 K in the Oxygen-Defect Perovskites La 2-x Sr x CuO 4-y, pp. 1373-1376
J. M. Tarascon; L. H. Greene; W. R. McKinnon; G. W. Hull; T. H. Geballe
Ribavirin Antagonizes the Effect of Azidothymidine on HIV Replication, pp. 1376-1379
Markus W. Vogt; Kevan L. Hartshorn; Phillip A. Furman; Ting-Chao Chou; James A. Fyfe; Leslie A. Coleman; Clyde Crumpacker; Robert T. Schooley; Martin S. Hirsch
Region-Specific Expression of Two Mouse Homeo Box Genes, pp. 1379-1382
Manuel F. Utset; Alexander Awgulewitsch; Frank H. Ruddle; William McGinnis
Regulation in vitro of Metallothionein Gene Binding Factors, pp. 1383-1387
Carl Seguin; Dean H. Hamer
Megabase-Scale Mapping of the HLA Gene Complex by Pulsed Field Gel Electrophoresis, pp. 1387-1390
Simon K. Lawrance; Cassandra L. Smith; Rakesh Srivastava; Charles R. Cantor; Sherman M. Weissman
β Amyloid Gene Duplication in Alzheimer's Disease and Karyotypically Normal down Syndrome, pp. 1390-1392
Jean-Maurice Delabar; Dmitry Goldgaber; Yvon Lamour; Annie Nicole; Jean-Louis Huret; Jean De Grouchy; Paul Brown; D. Carleton Gajdusek; Pierre-Marie Sinet
Transposition of Gram-Positive Transposon Tn916 in Acholeplasma laidlawii and Mycoplasma pulmonis, pp. 1392-1394
Kevin Dybvig; Gail H. Cassell
Human Retinoblastoma Susceptibility Gene: Cloning, Identification, and Sequence, pp. 1394-1399
Wen-Hwa Lee; Robert Bookstein; Frank Hong; Lih-Jiuan Young; Jin-Yuh Shew; Eva Y.-H. P. Lee


Book Reviews
The Development of French Science, p. 1408
From Knowledge to Power
Harry W. Paul
Science in the Provinces
Mary Jo Nye
Review author[s]: R. Steven Turner
Tales of Paleontology, pp. 1408-1409
Kadimakara
P. V. Rich; G. F. Van Tets
Review author[s]: S. David Webb
19th-Century Ethnology, pp. 1409-1410
Science Encounters the Indian, 1820-1880
Robert E. Bieder
Review author[s]: William N. Fenton
Organometallics, pp. 1410-1411
Organotransition Metal Chemistry
Akio Yamamoto
Review author[s]: Jeffrey Schwartz


Back Matter (26 pp.)

Previous Issue: New Series, Vol. 235, No. 4793, Mar. 6, 1987
Next Issue: New Series, Vol. 235, No. 4795, Mar. 20, 1987



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