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This journal provides immediate access to some articles. Volume 46(8); August 1960 Anthropology SOIL FERTILITY, POPULATION, AND THE ANCIENT MAYA PMCID: PMC222993 Biochemistry FEATURES OF THE ELECTRONIC STRUCTURE OF THE IRON-PORPHYRIN COMPLEXES WITH SPECIAL REFERENCE TO THE OXIDO-REDUCTIVE PROPERTIES OF CYTOCHROMES PMCID: PMC222994 ENZYMATIC INCORPORATION OF RIBONUCLEOSIDE TRIPHOSPHATES INTO THE INTERPOLYNUCLEOTIDE LINKAGES OF RIBONUCLEIC ACID PMCID: PMC222995 FORMATION OF THE PEPTIDE CHAIN OF HEMOGLOBIN PMCID: PMC222996 SPECIFIC ANTIBODIES TO THERMALLY DENATURED DEOXYRIBONUCLEIC ACID OF PHAGE T4 PMCID: PMC222997 ADENOSINE 5′-PHOSPHOSULFATE AS AN INTERMEDIATE IN THE OXIDATION OF THIOSULFATE BY THIOBACILLUS THIOPARUS PMCID: PMC222999 Chemistry A HYBRID HELIX CONTAINING BOTH DEOXYRIBOSE AND RIBOSE POLYNUCLEOTIDES AND ITS RELATION TO THE TRANSFER OF INFORMATION BETWEEN THE NUCLEIC ACIDS PMCID: PMC222998 ON THE INTERACTION OF COLLOIDAL PARTICLES PMCID: PMC223000 Genetics MOUSE MACROPHAGES AS HOST CELLS FOR THE MOUSE HEPATITIS VIRUS AND THE GENETIC BASIS OF THEIR SUSCEPTIBILITY PMCID: PMC223001 FREQUENCY OF DELETIONS AMONG SPONTANEOUS AND INDUCED MUTATIONS IN SALMONELLA PMCID: PMC223002 STUDIES ON THE HISTOCOMPATIBILITY GENES OF THE SYRIAN HAMSTER PMCID: PMC223003 Mathematics CONVEX TYPE VARIETIES PMCID: PMC223004 THE PATHS OF RAYS OF LIGHT IN GENERAL RELATIVITY PMCID: PMC223005 ON TAYLOR'S THEOREM IN SEVERAL VARIABLES PMCID: PMC223006 A SINGULARITY IN THE SCHOENFLIES EXTENSION PMCID: PMC223007 ON UNSTABLE HOMOTOPY OF SPHERES AND CLASSICAL GROUPS PMCID: PMC223008 Microbiology A VIRUS IN CHICK EMBRYOS WHICH INDUCES RESISTANCE IN VITRO TO INFECTION WITH ROUS SARCOMA VIRUS PMCID: PMC223009 Pathology IMMUNOLOGICAL RELATIONSHIPS OF MEASLES, DISTEMPER, AND RINDERPEST VIRUSES PMCID: PMC223010 Physics STRUCTURE AND ORIENTATION OF FREE RADICALS FORMED BY IONIZING RADIATIONS IN CERTAIN NATIVE PROTEINS PMCID: PMC223011 TEMPERATURE EFFECTS ON FREE RADICAL FORMATION AND ELECTRON MIGRATION IN IRRADIATED PROTEINS PMCID: PMC223012 DISSIPATION FUNCTIONS AND INVARIANT IMBEDDING, I PMCID: PMC223013 ON A THEORY OF DISPERSION BY CONTINUOUS MOVEMENTS, II. STATIONARY ANISOTROPIC PROCESSES PMCID: PMC223014 EXPERIMENTS ON THE STABILITY OF SPIRAL FLOW BETWEEN ROTATING CYLINDERS PMCID: PMC223015 Physiology STUDIES ON THE FORMATION OF AN ENZYME-SUBSTRATE COMPLEX BETWEEN MYOSIN AND ADENOSINETRIPHOSPHATE PMCID: PMC223016 KINETIC CONSTANTS OF THE INTERACTION BETWEEN MYOSIN AND ADENOSINETRIPHOSPHATE PMCID: PMC223017 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||