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Academy of Science acid activity Agriculture American animals annual appointed Association atoms auxin awarded biological biotin California cannabinol carbon carbon dioxide cell cent chairman Chem chemical chemistry College committee Cornell University culture director discussion disease Division effect elected engineering experiments extract field given graduate Grand Central Terminal Harvard ical industrial injection Institute interest investigation John Jour Journal laboratory material mathematics mechanical Medical School Medicine meeting ment method molecules Museum National nature observed obtained Ohio State University organization osmotic pressure papers period physical plants possible present president problems production professor propionic acid protein radioactive rats recent Recent Deaths SCIENCE FRIDAY scientific secretary sessions Smithsonian Institution Building Society solution species substance teosinte tion tissue United University versity virus vitamin B₁ Washington York York City