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AAAS acid activity Agriculture aldosterone American amino acids analysis animals annual anthranilic acid application Association Atomic Energy award Bentley Glass biochemistry biology boundary layer Calif California Cancer cells Center chairman Chem chemical chemistry Chicago clinical College Columbia University Committee compounds conference cortisone culture decibel Department Dept director discussion Division effect electric electron ence engineering experimental experiments field gene genetics Health hemocyanin Hospital Illus industrial interest isotopic laboratory mate-killers material mathematics mechanics Medical meeting ment metabolism metal meteorites method National National Science Foundation nuclear organic papers pentobarbital percent physics physiology plant present president problems professor protein radiogenic reactor References and Notes reported Reviewed samples School of Medicine Science scientific scientists Section sessions Society solution symposium techniques tests theory thiouracil tion Univ University University of California Washington 25 York