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Volume 43(1);  January 15, 1957
The cover of the journal
Biochemistry
ARE CHLOROPLASTS SEMICONDUCTORS?
William Arnold and Helen K. Sherwood
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 105–114.
PMCID: PMC528393
STUDIES ON THE IMMUNOLOGICAL OVERLAP AMONG CERTAIN ARTHROPOD-BORNE VIRUSES. II. THE ROLE OF SEROLOGIC RELATIONSHIPS IN EXPERIMENTAL VACCINATION PROCEDURES
Winston H. Price
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 115–121.
PMCID: PMC528394
THE ORGANIZATION AND DUPLICATION OF CHROMOSOMES AS REVEALED BY AUTORADIOGRAPHIC STUDIES USING TRITIUM-LABELED THYMIDINEE
J. Herbert Taylor, Philip S. Woods, and Walter L. Hughes
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 122–128.
PMCID: PMC528395
A METHOD FOR INCREASING BRAIN SEROTONIN WITHOUT INCURRING SOME OF THE PERIPHERAL EFFECTS OF THE HORMONE
D. W. Woolley, E. Van Winkle, and E. Shaw
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 128–133.
PMCID: PMC528396
Botany
SOME FACTORS INFLUENCING THE LONG-WAVE LIMIT OF PHOTOSYNTHESIS
Robert Emerson, Ruth Chalmers, and Carl Cederstrand
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 133–143.
PMCID: PMC528397
Chemistry
THE SYMMETRY OF DENDRITIC SNOW CRYSTALS
Dan McLachlan, Jr.
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 143–151.
PMCID: PMC528398
EXCITATIONS AND POLYMERIZATION
Albert Szent-Györgyi
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 151–152.
PMCID: PMC528399
Genetics
MALE SEGREGATION RATIO ADVANTAGE AS A FACTOR IN MAINTAINING LETHAL ALLELES IN WILD POPULATIONS OF HOUSE MICE
David Bruck
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 152–158.
PMCID: PMC528400
EVIDENCE OF EVOLUTIONARY FORCES LEADING TO THE SPREAD OF LETHAL GENES IN WILD POPULATIONS OF HOUSE MICE
L. C. Dunn
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 158–163.
PMCID: PMC528401
INFLUENCE OF THE TYPE OF INSEMINATED FEMALE ON THE LETHAL FREQUENCY IN THE X CHROMOSOME FROM THE MALE
Philip E. Hildreth and Gweneth L. Carson
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 175–183.
PMCID: PMC528406
Geophysics Symposium on Solar and Terrestrial Relationships
INTRODUCTORY REMARKS
Ernest H. Vestine
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 1–2.
PMCID: PMC528380
INFERENCES FROM RADIO SIGNALS FROM THE SUN AND PLANETS
John Firor
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 2–8.
PMCID: PMC528381
THE SOLAR HYDROMAGNETIC DYNAMO
E. N. Parker
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 8–14.
PMCID: PMC528382
THE TERRESTRIAL DYNAMO
Walter M. Elsasser
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 14–24.
PMCID: PMC528383
ON COSMIC MAGNETIC FIELDS
S. Chandrasekhar
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 24–27.
PMCID: PMC528384
SOLAR INFLUENCES ON COSMIC RAYS
Scott E. Forbush
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 28–41.
PMCID: PMC528385
SOLAR ORIGIN OF CHANGES IN THE PRIMARY COSMIC RADIATION
J. A. Simpson
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 42–56.
PMCID: PMC528386
DIRECT DETECTION OF AURORAL RADIATION WITH ROCKET EQUIPMENT
James A. Van Allen
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 57–62.
PMCID: PMC528387
PROBLEMS IN AURORAL MORPHOLOGY
C. T. Elvey
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 63–75.
PMCID: PMC528388
SOLAR INFLUENCES OF GEOMAGNETISM
Julius Bartels
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 75–81.
PMCID: PMC528389
OBSERVATIONAL AND THEORETICAL ASPECTS OF MAGNETIC AND IONOSPHERIC STORMS
E. H. Vestine
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 81–92.
PMCID: PMC528390
VARIATIONS OF THE IONOSPHERE AND OF THE SOLAR INTENSITY WITH SUNSPOTS
E. O. Hulburt
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 92–95.
PMCID: PMC528391
SOLAR RADIATION AND THE LOWER ATMOSPHERE
Sigmund Fritz
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 95–104.
PMCID: PMC528392
Mathematics
COMBINATORIAL PROBLEMS IN THE THEORY OF GRAPHS. IV
G. W. Ford and G. E. Uhlenbeck
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 163–167.
PMCID: PMC528402
INDICES OF RANK AND OF SINGULARITY ON ABELIAN VARIETIES
R. C. Gunning
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 167–169.
PMCID: PMC528403
ON DEHN'S LEMMA AND THE ASPHERICITY OF KNOTS
C. D. Papakyriakopoulos
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 169–172.
PMCID: PMC528404
FUNCTION RINGS ON THE CIRCLE
J. Wermer
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 173–175.
PMCID: PMC528405
Zoölogy and Anatomy
THE DEVELOPMENT IN VITRO OF CHIMERIC AGGREGATES OF DISSOCIATED EMBRYONIC CHICK AND MOUSE CELLS
A. Moscona
Proc Natl Acad Sci U S A. 1957 January 15; 43(1): 184–194.
PMCID: PMC528407
Journal Matter
Original table of contents page
Administrative content — journal masthead, notices, indexes, etc.
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