Feature

Air Survey of New Mexico Aided by 275-Pound Camera

Scientists Like Their Jokes

Infantile Paralysis Outbreak Will Test Value of Vaccine

Nature Is Prodigal Even in Agents Producing Disease

Science Five Steps Nearer Secret of Green Leaf Factory

Front Matter

New Disease Found, Immunity Studies Now Being Rushed

Distillery Produces “Dry Ice” from Waste Gases

Prehistoric Mine Tragedy Revealed Too Late

Stars and Nebulae Only Minute Part of Universe

Vibration of Liners Being Studied in England

Century of Weather in Few Months, Record for Testing