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7 April 1972 Vol. 176, No. 4030
Anecdotal Evidence: J. Vaage; Argonne's Role: S. D. Freeman; B.I. Spinrad; Funding Basic Research: C. S. Russell; D. Stetten, Jr.; Marihuana and Motivation: G. Marx; E. L. Abel; Freedom of Information: W. A. Shurlifj
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EDITORIAL
A Bubble in the Educational Pipeline: B. Vetter .............................
9
ARTICLES
The Crisis about the Origin of Irreversibility and Time Anisotrophy: B. Gal-Or ....
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Strategies of Mutual Deterrence: R. H. Kupperman and H. A. Smith ............ Population Density and Pathology: What Are the Relations for Man?: 0. R. Galle, W. R. Gove, J. M. McPherson .............................
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LETTERS
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NEWS AND COMMENT
BOOK REVIEWS
REPORTS
National Environmental Policy Act: Signs of Backlash Are Evident ................ Sperm Banks Multiply as Vasectomies Gain Popularity ........................ BBS: Agency Controvenes its Own Regulations ................................ Navy F- 14: New Fighter s Cost, Sophistication, Stir Controversy ................
Man's Impact on the Climate anod Inadvertent Climate Modification, reviewed by A. L. Ha7mnond; Impingement of Man on the Oceans, W. S. Wooster; Developmental Genetics, F. H. Wilt; Principles of Mammalian Aging, R. J. Hay; Essentials of Molecular Pharmacology, A. Trevor .......
Magnetite: Behavior near the Single-Domain Threshold: D. J. Dunlop ........... Ratite Eggshells from Lanzarote, Canary Islands: E. G. F. Sauer and
VICE PRESIDENTS AND :SECTION SECRETARIES
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Production of Specific Antibody by Lymphocytes of the Bursa of Fabricius: P. J. Van Alten and H. J. Meuwissen ...................................
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MINA 'REES Retiring President, Chairmani
PHYSICS (B)
MATHEMATICS (A)
Herbert Friedman Rolf M. Sinclair -teoSchube: SOCIAL AhCD ECONOMIC SCIENPCES (K)
John W. Tukey F. A. Ficken PSYCHOLOGY (1) Dale :aisB. Harris -William D. Garvey
john Autian
ALASKA DIVISION Gordon Harrison 'President
LEWIS, NA. BAS DAVID, 131 KWEL LEONARD M. 'RIESER BARRY CMOE Pridet6EltRI CHARD HA BOLT CHEMISTRY (C) ASTRONOMY(D) George B. Field Martin Paul
GLENN T. SEABORG President
PHARMACEUTICAL SCIENCES (Np) Linwood F. Tice DIVISIONS
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P. Rothe
BOARD OF DIRECTORS'
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Irma Duncan
Executive Secreta-ry
Ram James S. Coleman Harvey Sapolsky AGRICULTURE (0) Roy L. Lovvorn
n J.
arSeeger -wlwwt ;;;Ei0 t0
Ray**1.
INDUSTRIAL SCIENCE (P) Jacob E. Goldman
MichaelA.Farrell
'Jordan
PACIFIC DIVISION
Roy A. Young: ~ President
ArloWU. Lndolt
HISTOY AND PHILOSOPHY OF SCIENCE Mendalsohn Everettt ;,&;| j o ; 0;0
obrit C. Miller
Secretary
EDIJCATION (Q) Lloy K. Johnson PlziIIlp R. od
0. Lws SOUTHWESTENAND ROCKY MOUNTAN DSI( aro . Anderso John R. Lh President Executive~Secretary