Science Picture Parade |
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airplane American animals archaeologists atom Bell Telephone Laboratories birds brain built Bureau chemical coal colchicine cosmic rays created cyclotron developed dinosaurs discovered disease earth Electric & Manufacturing Electric Company electron-volts electrons energy engines feet fever fibers fish flowers flying Folsom forecast Fremont Davis frequency frequency modulation giant glass gonorrhea hormones human Indians industry insects Institute of Technology known laboratories lamps light living machine mask materials mental migration Mildred Davis miles millions mirror modern Museum National natural nylon operation particles patient pellagra photograph planes plants possible pounds produced Prof promising Prontosil radio resins SCIENCE PICTURE PARADE scientific scientists shown sound species speed stars steel sulfanilamide supernova synthetic television thousands tiny tion transparent transport treatment tube U. S. Army ultraviolet University vacuum tube vitamin vitamin D weather white dwarfs wing