Feature

Front Matter

Millions Have Health and Hospital Insurance

Penicillin vs. Syphilis

[Photograph]: X-Ray Checker

Post-War Dental Dream

Nature Ramblings: Multiform Fossils

Photographic Dyes

Revolutionary Compass Developed for Airplanes

Cheese Ripening Periods May Be Shortened

New Machines and Gadgets

Tanks Need Thicker Hulls If They Are to Survive

Cork in Bottleneck