The SciencesNow You Can Buy Insects for 10 Dollars a Million, New Photo Flash Lamp and moreBy F. D. McHugh, Alexanxder Klemin, A. E. Buchanan Jr., Morris Fishbein on November 1, 1930AdvertisementABOUT THE AUTHOR(S)Recent Articles by F. D. McHughCoal and Kilowatts, Carboloy Extrusion Process, and moreIndian Arrow Poison for Arthritis, Mental Disease, Enamels for Plastics, and moreGlycerine from Petroleum, Electrostatic Iron Ore Separator, and moreRecent Articles by A. E. Buchanan Jr.Bug Eat Bug, Wire Mileage and morePlanetarium Staff, Photo-Cell Output and moreWater Weight, Fingerprints Raised from Cloth and moreRecent Articles by Morris FishbeinHarmonious HormonesKnowing vs. Guessing in MedicineLightning, Benefactor of Mankind, New Paint Resists Corrosion and more