Feature

Gas Discharge Device for Safes Foils Burglars

Hit DDT Resistant Flies

Books of the Week

X-Rays Test Airplane Parts

Climates Made to Order

Chemistry Gives Substitute for War-Scarce Materials

Women Can Be Bleeders

Improved Casein Fibers Hardened with Metal Salts

Extra Ribs More Common in Females

Bird Collection Arrives

Female Hormone Sparks Minds of Older Women

Flame Melts Snow to Clear Streets