Feature

Sugar Plays Leading Part in Pneumonia Germ’s Activity

Steel Jar Will Rescue Men Imprisoned in Submarines

Probably No Elements Heavier than Uranium

Lonely Magnetic Poles May Change Ideas of Universe

New Weapons Forged to Fight Scarlet Fever

Stop-Watch Proves Snakes Never Travel at High Speed

Super-Sensitivity of New Research Tool Is Confirmed

Front Matter

Castor Oil Yields Drug That “Unpoisons” Cobra Venom

Monkey Colony Opens New Era in Embryological Research

Great Submarine Gorge Acted as Dump Cart for Glaciers

New Method May Result in Cheap Supply of Ramie