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This journal provides immediate access to some articles. Volume 40(3); March 1954 Astronomy NEW WHITE DWARFS IN THE SOUTHERN HEMISPHERE: FOURTH LIST PMCID: PMC527959 Botany RELATION OF POLYPHENOL OXIDASES TO FUNGITOXICITY PMCID: PMC527960 Engineering RECENT TECHNICAL MANIFESTATIONS OF VON KÁRMÁN'S VORTEX WAKE PMCID: PMC527963 HIGH-STRENGTH PLASTICS PMCID: PMC527964 Genetics THE EFFECTS OF DNA AND ENZYME-TREATED DNA ON BACTERIAL POPULATION CHANGES PMCID: PMC527965 THE PRODUCTION OF MUTATIONS IN DROSOPHILA MELANOGASTER BY THE FAST NEUTRON RADIATION OF AN ATOMIC EXPLOSION PMCID: PMC527966 PROTECTIVE PROPERTIES OF CYSTEINE, SODIUM HYPOSULFITE, AND SODIUM CYANIDE AGAINST RADIATION INDUCED CHROMOSOME ABERRATIONS PMCID: PMC527967 THE DELAYED APPEARANCE OF MUTANTS IN BACTERIAL CULTURES PMCID: PMC527968 INDEPENDENT X-RAY EFFECTS ON CHROMOSOME BREAKAGE AND REUNION PMCID: PMC527969 THE SEPARATION AND ISOLATION OF PARTICULAR BIOCHEMICAL MUTANTS OF NEUROSPORA BY DIFFERENTIAL GERMINATION OF CONIDIA, FOLLOWED BY FILTRATION AND SELECTIVE PLATING PMCID: PMC527970 Mathematics ON THE PLANCHEREL FORMULA FOR THE RIGHT-INVARIANT FUNCTIONS ON A SEMISIMPLE LIE GROUP PMCID: PMC527971 PROOF OF A CONJECTURE OF STEINHAUS PMCID: PMC527972 ON CERTAIN INEQUALITIES RELATING THE BETTI NUMBERS OF A MANIFOLD AND ITS SUBSETS PMCID: PMC527973 National Academy of Sciences CONFERENCE ON BIOCHEMISTRY, PALEOECOLOGY, AND EVOLUTION PMCID: PMC527975 Physics A REFINEMENT OF THE PAULING THEORY OF FERROMAGNETISM PMCID: PMC527961 ON MOST PROBABLE DISTRIBUTIONS PMCID: PMC527962 Psychology THE PHASE CHARACTERISTICS OF THE EAR PMCID: PMC527974 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||