Science

New Series, Vol. 168, No. 3933, May 15, 1970
ISSN:
00368075
Issue Stable URL:
http://www.jstor.org/stable/i299532

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Previous issue:

No. 3932, May 8, 1970, pp. 621-768

- Front MatterFront Matter (pp. 769-880)
- Stable URL: http://www.jstor.org/stable/1729649
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Letters
1. - Chance Favors the Mind PreparedChance Favors the Mind Prepared (p. 777)
  - Gordon F. Sutton, W. Ross Ashby
  - Stable URL: http://www.jstor.org/stable/1729650
  - PDF
2. - Population Crisis and ExtremismPopulation Crisis and Extremism (p. 777)
  - Robert B. Kelman, H. H. Suter
  - Stable URL: http://www.jstor.org/stable/1729651
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3. - Strategic PosturesStrategic Postures (p. 778)
  - D. G. Brennan
  - Stable URL: http://www.jstor.org/stable/1729652
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4. - Society of CiphersSociety of Ciphers (p. 778)
  - William H. Bell, G. W. Swenson, Jr.
  - Stable URL: http://www.jstor.org/stable/1729653
  - PDF
- The Changing Job MarketThe Changing Job Market (p. 781)
- Philip H. Abelson
- Stable URL: http://www.jstor.org/stable/1729654
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- Optical Spectra of Molecules at Low TemperatureOptical Spectra of Molecules at Low Temperature (pp. 783-789)
- Beat Meyer
- Stable URL: http://www.jstor.org/stable/1729655
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- Enzymes Activated by Monovalent CationsEnzymes Activated by Monovalent Cations (pp. 789-795)
- C. H. Suelter
- Stable URL: http://www.jstor.org/stable/1729656
- PDF
- Power Dissipation in Information ProcessingPower Dissipation in Information Processing (pp. 796-801)
- Robert W. Keyes
- Stable URL: http://www.jstor.org/stable/1729657
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News and Comment
1. - Science Policy: Budget Cuts Prompt Closer Look at the SystemScience Policy: Budget Cuts Prompt Closer Look at the System (pp. 802-805)
  - John Walsh
  - Stable URL: http://www.jstor.org/stable/1729658
  - PDF
2. - Carnegie Institution Names AbelsonCarnegie Institution Names Abelson (p. 803)
  - N. G.
  - Stable URL: http://www.jstor.org/stable/1729659
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3. - News in BriefNews in Brief (p. 804)
  - Stable URL: http://www.jstor.org/stable/1729660
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4. - Contraceptive Technology: Advances Needed in Fundamental ResearchContraceptive Technology: Advances Needed in Fundamental Research (pp. 805-809)
  - Luther J. Carter
  - Stable URL: http://www.jstor.org/stable/1729661
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5. - House Bill Hits Campus UnrestHouse Bill Hits Campus Unrest (p. 807)
  - Nancy Gruchow
  - Stable URL: http://www.jstor.org/stable/1729662
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6. - Blue-Ribbon Panel Tells How To Avoid "Charitable Crisis"Blue-Ribbon Panel Tells How To Avoid "Charitable Crisis" (p. 808)
  - Bryce Nelson
  - Stable URL: http://www.jstor.org/stable/1729663
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7. - Recent DeathsRecent Deaths (p. 809)
  - Stable URL: http://www.jstor.org/stable/1729664
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Research Topics
1. - Element 105 Synthesized and Named Hahnium by Berkeley ResearchersElement 105 Synthesized and Named Hahnium by Berkeley Researchers (p. 810)
  - Robert W. Holcomb
  - Stable URL: http://www.jstor.org/stable/1729665
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2. - Astrophysics: Model Proposed for Galactic Magnetic FieldAstrophysics: Model Proposed for Galactic Magnetic Field (p. 811)
  - Robert W. Holcomb
  - Stable URL: http://www.jstor.org/stable/1729666
  - PDF
Book Reviews
1. - Review: Persistent UncertaintiesReview: Persistent Uncertainties (pp. 812-813)
  - John A. Clausen
  - Reviewed work(s): Mental Health and Social Policy by David Mechanic
  - Stable URL: http://www.jstor.org/stable/1729667
  - PDF
2. - Review: The Sense of the BodyReview: The Sense of the Body (pp. 813-814)
  - Ian P. Howard
  - Reviewed work(s): Perceptual and Cognitive Aspects of Body Experience by Franklin C. Shontz
  - Stable URL: http://www.jstor.org/stable/1729668
  - PDF
3. - Review: Plant ProductsReview: Plant Products (p. 814)
  - J. W. Fairbairn
  - Reviewed work(s): The Biochemistry of Alkaloids by Trevor Robinson
  - Stable URL: http://www.jstor.org/stable/1729669
  - PDF
4. - Review: BiogenesisReview: Biogenesis (pp. 814-815)
  - Stanley L. Miller
  - Reviewed work(s): Chemical Evolution. Molecular Evolution towards the Origin of Living Systems on the Earth and Elsewhere by Melvin Calvin
  - Stable URL: http://www.jstor.org/stable/1729670
  - PDF
5. - Review: Backboned AnimalsReview: Backboned Animals (p. 815)
  - C. L. Gazin
  - Reviewed work(s): Evolution of the Vertebrates. A History of the Backboned Animals through Time by Edwin H. Colbert
    The Pattern of Vertebrate Evolution by L. B. Halstead
  - Stable URL: http://www.jstor.org/stable/1729671
  - PDF
6. - Review: The Study of SurfacesReview: The Study of Surfaces (pp. 815-816)
  - S. E. Schnatterly
  - Reviewed work(s): The Structure and Chemistry of Solid Surfaces. Proceedings of the Fourth International Materials Symposium, Berkeley, Calif., June 1968 by Gabor A. Somorjai
  - Stable URL: http://www.jstor.org/stable/1729672
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7. - Books ReceivedBooks Received (p. 816)
  - Stable URL: http://www.jstor.org/stable/1729673
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Reports
1. - Layered Basic Complex in Oceanic Crust, Romanche Fracture, Equatorial Atlantic OceanLayered Basic Complex in Oceanic Crust, Romanche Fracture, Equatorial Atlantic Ocean (pp. 817-820)
  - William G. Melson, Geoffrey Thompson
  - Stable URL: http://www.jstor.org/stable/1729674
  - PDF
2. - Filamentary Crystal Growth Associated with Impact Craters from Hypervelocity MicroparticlesFilamentary Crystal Growth Associated with Impact Craters from Hypervelocity Microparticles (pp. 820-822)
  - Otto E. Berg, J. A. M. McDonnell
  - Stable URL: http://www.jstor.org/stable/1729675
  - PDF
3. - Pleistocene PaleotemperaturesPleistocene Paleotemperatures (pp. 822-825)
  - C. Emiliani
  - Stable URL: http://www.jstor.org/stable/1729676
  - PDF
4. - Chemical Composition of the Lunar Surface in a Terra Region near the Crater TychoChemical Composition of the Lunar Surface in a Terra Region near the Crater Tycho (pp. 825-828)
  - James H. Patterson, Anthony L. Turkevich, Ernest J. Franzgrote, Thanasis E. Economou, Kenneth P. Sowinski
  - Stable URL: http://www.jstor.org/stable/1729677
  - PDF
5. - Phobos: Preliminary Results from Mariner 7Phobos: Preliminary Results from Mariner 7 (pp. 828-830)
  - Bradford A. Smith
  - Stable URL: http://www.jstor.org/stable/1729678
  - PDF
6. - Paleomagnetism and GondwanalandPaleomagnetism and Gondwanaland (pp. 830-832)
  - M. W. McElhinny, G. R. Luck
  - Stable URL: http://www.jstor.org/stable/1729679
  - PDF
7. - Pyroxene-Garnet Transformation in Coorara MeteoritePyroxene-Garnet Transformation in Coorara Meteorite (pp. 832-833)
  - J. V. Smith, Brian Mason
  - Stable URL: http://www.jstor.org/stable/1729680
  - PDF
8. - Orientation Order of Dipole Molecules in the Surface of Embryonic DropletsOrientation Order of Dipole Molecules in the Surface of Embryonic Droplets (pp. 833-835)
  - Farid F. Abraham
  - Stable URL: http://www.jstor.org/stable/1729681
  - PDF
9. - Palmoxylon simperi and Palmoxylon pristina: Two Pre-Cretaceous Angiosperms from UtahPalmoxylon simperi and Palmoxylon pristina: Two Pre-Cretaceous Angiosperms from Utah (pp. 835-840)
  - William D. Tidwell, Samuel R. Rushforth, James L. Reveal, Homer Behunin
  - Stable URL: http://www.jstor.org/stable/1729682
  - PDF
10. - Alkaloid from Fire Ant Venom: Identification and SynthesisAlkaloid from Fire Ant Venom: Identification and Synthesis (pp. 840-841)
  - John G. MacConnell, Murray S. Blum, Henry M. Fales
  - Stable URL: http://www.jstor.org/stable/1729683
  - PDF
11. - Antagonism by DDT of the Effect of Valinomycin on a Synthetic MembraneAntagonism by DDT of the Effect of Valinomycin on a Synthetic Membrane (pp. 841-843)
  - B. D. Hilton, R. D. O'Brien
  - Stable URL: http://www.jstor.org/stable/1729684
  - PDF
12. - Mosaic Mutants: Absence in a Eucaryotic OrganismMosaic Mutants: Absence in a Eucaryotic Organism (pp. 843-844)
  - Asbjørn Fjeld
  - Stable URL: http://www.jstor.org/stable/1729685
  - PDF
13. - Metabolite of (-)-trans-$\Delta ^{8}$-Tetrahydrocannabinol: Identification and SynthesisMetabolite of (-)-trans-$\Delta ^{8}$-Tetrahydrocannabinol: Identification and Synthesis (pp. 844-845)
  - R. L. Foltz, A. F. Fentiman, Jr., E. G. Leighty, J. L. Walter, H. R. Drewes, W. E. Schwartz, T. F. Page, Jr., E. B. Truitt, Jr.
  - Stable URL: http://www.jstor.org/stable/1729686
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14. - On the Apparent Homology of Actin and TubulinOn the Apparent Homology of Actin and Tubulin (pp. 845-847)
  - R. E. Stephens
  - Stable URL: http://www.jstor.org/stable/1729687
  - PDF
15. - Ultrastructure of Secretory and High-Polymer Serum Immunoglobulin A of Human and Rabbit OriginUltrastructure of Secretory and High-Polymer Serum Immunoglobulin A of Human and Rabbit Origin (pp. 847-849)
  - S-E. Svehag, B. Bloth
  - Stable URL: http://www.jstor.org/stable/1729688
  - PDF
16. - L-Dopa: Effect on Concentrations of Dopamine, Norepinephrine, and Serotonin in Brains of MiceL-Dopa: Effect on Concentrations of Dopamine, Norepinephrine, and Serotonin in Brains of Mice (pp. 849-850)
  - G. M. Everett, J. W. Borcherding
  - Stable URL: http://www.jstor.org/stable/1729689
  - PDF
17. - Somatic Cell Mating and Segregation in Chimeric FrogsSomatic Cell Mating and Segregation in Chimeric Frogs (pp. 850-852)
  - E. Peter Volpe, Elizabeth M. Earley
  - Stable URL: http://www.jstor.org/stable/1729690
  - PDF
18. - Immune Responses of Inbred Mice to Repeated Low Doses of Antigen: Relationship to Histocompatibility (H-2) TypeImmune Responses of Inbred Mice to Repeated Low Doses of Antigen: Relationship to Histocompatibility (H-2) Type (pp. 852-854)
  - Nelson M. Vaz, Bernard B. Levine
  - Stable URL: http://www.jstor.org/stable/1729691
  - PDF
19. - Catecholamine Biosynthesis in Brains of Rats Treated with MorphineCatecholamine Biosynthesis in Brains of Rats Treated with Morphine (pp. 854-856)
  - Doris H. Clouet, Milton Ratner
  - Stable URL: http://www.jstor.org/stable/1729692
  - PDF
20. - Chemical Inducers of Oviposition for the Corn Earworm, Heliothis zea (Boddie)Chemical Inducers of Oviposition for the Corn Earworm, Heliothis zea (Boddie) (pp. 856-857)
  - Richard L. Jones, Robert L. Burton, Malcolm C. Bowman, Morton Beroza
  - Stable URL: http://www.jstor.org/stable/1729693
  - PDF
21. - Hydrocephalus in Mice Inoculated Neonatally by the Oronasal Route with Reovirus Type 1Hydrocephalus in Mice Inoculated Neonatally by the Oronasal Route with Reovirus Type 1 (pp. 858-859)
  - P. A. Phillips, M. P. Alpers, N. F. Stanley
  - Stable URL: http://www.jstor.org/stable/1729694
  - PDF
22. - Human Cystinosis: Intracellular Deposition of CystineHuman Cystinosis: Intracellular Deposition of Cystine (pp. 859-860)
  - Klaus Hummeler, Barbara A. Zajac, Myron Genel, Philip G. Holtzapple, Stanton Segal
  - Stable URL: http://www.jstor.org/stable/1729695
  - PDF
23. - Orotidinuria Induced by AllopurinolOrotidinuria Induced by Allopurinol (pp. 861-862)
  - R. M. Fox, D. Royse-Smith, W. J. O'Sullivan
  - Stable URL: http://www.jstor.org/stable/1729696
  - PDF
24. - Endotoxin: Stimulation of Bone Resorption in Tissue CultureEndotoxin: Stimulation of Bone Resorption in Tissue Culture (pp. 862-864)
  - E. Hausmann, L. G. Raisz, W. A. Miller
  - Stable URL: http://www.jstor.org/stable/1729697
  - PDF
25. - Teratogenic Evaluation of 2,4,5-TTeratogenic Evaluation of 2,4,5-T (pp. 864-866)
  - K. Diane Courtney, D. W. Gaylor, M. D. Hogan, H. L. Falk, R. R. Bates, I. Mitchell
  - Stable URL: http://www.jstor.org/stable/1729698
  - PDF
26. - Norepinephrine Turnover and Metabolism in Rat Brain after Long-Term Administration of ImipramineNorepinephrine Turnover and Metabolism in Rat Brain after Long-Term Administration of Imipramine (pp. 867-869)
  - Joseph J. Schildkraut, Andrew Winokur, Clarence W. Applegate
  - Stable URL: http://www.jstor.org/stable/1729699
  - PDF
27. - Visual Experience Modifies Distribution of Horizontally and Vertically Oriented Receptive Fields in CatsVisual Experience Modifies Distribution of Horizontally and Vertically Oriented Receptive Fields in Cats (pp. 869-871)
  - Helmut V. B. Hirsch, D. N. Spinelli
  - Stable URL: http://www.jstor.org/stable/1729700
  - PDF
28. - Physiological Responses of Infant Rats to Separation from Their MothersPhysiological Responses of Infant Rats to Separation from Their Mothers (pp. 871-873)
  - Myron A. Hofer
  - Stable URL: http://www.jstor.org/stable/1729701
  - PDF
29. - Fixation Produced by ConflictFixation Produced by Conflict (pp. 873-875)
  - Eileen B. Karsh
  - Stable URL: http://www.jstor.org/stable/1729702
  - PDF
30. - Brood Care in Halictid BeesBrood Care in Halictid Bees (p. 875)
  - S. W. T. Batra, G. E. Bohart
  - Stable URL: http://www.jstor.org/stable/1729703
  - PDF
31. - Interaction of Plant Hormones: Abscisic and Gibberellic AcidsInteraction of Plant Hormones: Abscisic and Gibberellic Acids (pp. 875-877)
  - B. V. Milborrow, Robert E. Drury
  - Stable URL: http://www.jstor.org/stable/1729704
  - PDF
Meetings
1. - South Pole Reaches the SaharaSouth Pole Reaches the Sahara (pp. 878-881)
  - Rhodes W. Fairbridge
  - Stable URL: http://www.jstor.org/stable/1729705
  - PDF
2. - CoursesCourses (p. 881)
  - Stable URL: http://www.jstor.org/stable/1729706
  - PDF
- Back MatterBack Matter (pp. 881-884)
- Stable URL: http://www.jstor.org/stable/1729707
- PDF

Next issue:

No. 3934, May 22, 1970, pp. 885-1032

Science

New Series, Vol. 168, No. 3933, May 15, 1970

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