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Previous Issue: New Series, Vol. 240, No. 4860, Jun. 24, 1988
Next Issue: New Series, Vol. 241, No. 4862, Jul. 8, 1988
Front Matter (13 pp.)
The Howard Hughes Medical Institute, p. 9
- Daniel E. Koshland
News & Comment
- A War on Drugs with Real Troops?, pp. 13-15
- Eliot Marshall
- Post Office Nixes Germs by Mail, p. 15
- William Booth
- Japan's Human Frontiers Program Advances, pp. 16-17
- David Dickson
- U.S.--Japan Science Pact Signed, p. 17
- Marjorie Sun
- A Bitter Battle over Error (II), pp. 18-21
- Barbara J. Culliton
- USDA Grants Program Threatened, p. 21
- Mark Crawford
- Space Station: At the Brink, p. 22
- Eliot Marshall; Mark Crawford
- EPA Proposes State Action on Aldicarb, p. 22
- Marjorie Sun
Research News
- Report Urges Greenhouse Action Now, pp. 23-24
- Richard A. Kerr
- Blood-Forming Stem Cells Purified, pp. 24-25
- Deborah M. Barnes
- Near-Field Microscopes Beat the Wavelength Limit, pp. 25-26
- Robert Pool
- Pattern and Process in Extinctions, p. 26
- Roger Lewin
- Toward a Unified Theory of Cognition, pp. 27-29
- M. Mitchell Waldrop
The Expert Witness in Psychology and Psychiatry, pp. 31-35
- David Faust; Jay Ziskin
Gas-Phase Clusters: Spanning the States of Matter, pp. 36-42
- A. W. Castleman; R. G. Keesee
The Protein Kinase Family: Conserved Features and Deduced Phylogeny of the Catalytic Domains, pp. 42-52
- Steven K. Hanks; Anne Marie Quinn; Tony Hunter
Combinatorial Cassette Mutagenesis as a Probe of the Informational Content of Protein Sequences, pp. 53-57
- John F. Reidhaar-Olson; Robert T. Sauer
Purification and Characterization of Mouse Hematopoietic Stem Cells, pp. 58-62
- Gerald J. Spangrude; Shelly Heimfeld; Irving L. Weissman
Reports
- New Evidence on the Size and Possible Effects of a Late Pliocene Oceanic Asteroid Impact, pp. 63-65
- Frank T. Kyte; Lei Zhou; John T. Wasson
- Velocity of Sound and Equations of State for Methanol and Ethanol in a Diamond-Anvil Cell, pp. 65-67
- J. M. Brown; L. J. Slutsky; K. A. Nelson; L.-T. Cheng
- Brownian Dynamics of Cytochrome c and Cytochrome c Peroxidase Association, pp. 67-70
- Scott H. Northrup; Jeffrey O. Boles; John C. L. Reynolds
- Tertiary Structure of Plant RuBisCo: Domains and their Contacts, pp. 71-74
- Michael S. Chapman; Se Won Suh; Paul M. G. Curmi; Duilio Cascio; Ward W. Smith; David S. Eisenberg
- Aminoacylation of Synthetic DNAs Corresponding to Escherichia coli Phenylalanine and Lysine tRNAs, pp. 74-79
- Akbar S. Khan; Bruce A. Roe
- Induction of Gene Amplification by Arsenic, pp. 79-81
- Te-Chang Lee; Noriho Tanaka; Patricia W. Lamb; Tona M. Gilmer; J. Carl Barrett
- Estrogen Binding, Receptor mRNA, and Biologic Response in Osteoblast-Like Osteosarcoma Cells, pp. 81-84
- Barry S. Komm; Christopher M. Terpening; David J. Benz; Kimberlie A. Graeme; Alfred Gallegos; Murray Korc; Geoffrey L. Greene; Bert W. O'Malley; Mark R. Haussler
- Evidence of Estrogen Receptors in Normal Human Osteoblast-Like Cells, pp. 84-86
- Erik F. Eriksen; Douglas S. Colvard; Nicholas J. Berg; Mark L. Graham; Kenneth G. Mann; Thomas C. Spelsberg; B. Lawrence Riggs
- Local Embryonic Matrices Determine Region-Specific Phenotypes in Neural Crest Cells, pp. 86-89
- Roberto Perris; Ysander Von Boxberg; Jan Löfberg
- Cellular Transcription Factors and Regulation of IL-2 Receptor Gene Expression by HTLV-I tax Gene Product, pp. 89-92
- Steven Ruben; Harry Poteat; Tse-Hua Tan; Kyoshi Kawakami; Robert Roeder; William Haseltine; Craig A. Rosen
- Role of the Gastropod Shell and Operculum in Inhibiting Predation by Fishes, pp. 92-94
- Stephen F. Norton
Technical Comments
- Testing for Periodicity of Extinction, pp. 94-96
- David M. Raup; J. J. Sepkoski
- Testing for Periodicity of Extinction: Response, pp. 96-99
- Stephen M. Stigler; Melissa J. Wagner
AAAS News
- AAAS and Apple Computer Initiate Project, pp. 100-101
- Joan Wrather
- Improved Member Subscription Services Coming, p. 101
- Association Issues Annual Report, p. 101
- Joseph G. Gavin, Jr., Joins Board of Directors, p. 101
- Arctic Division to Meet in October, pp. 101-102
- Chicago Site of Midwest R&D Meeting, p. 102
- SWARM Division Meets in Wichita, p. 102
- Obituaries, p. 102
Book Reviews
- An Ancient Sacred Center, pp. 103-104
- Ancient Chalcatzingo
- David C. Grove
- Review author[s]: Robert N. Zeitlin
- Teratogenesis, pp. 104-105
- Developmental Toxicology
- John A. McLachlan; Robert M. Pratt; Clement L. Markert
- Review author[s]: Lucy M. Anderson
- Morphology and Function, p. 105
- Axis and Circumference
- Stephen A. Wainwright
- Review author[s]: Paul W. Webb
- Shattered Stars, pp. 105-106
- Supernova Remnants and the Interstellar Medium
- R. S. Roger; T. L. Landecker
- Review author[s]: Paul Murdin
Back Matter (27 pp.)
Previous Issue: New Series, Vol. 240, No. 4860, Jun. 24, 1988
Next Issue: New Series, Vol. 241, No. 4862, Jul. 8, 1988