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Steel Jar Will Rescue Men Imprisoned in Submarines

High Blood Pressure May Be Compensatory Reaction

Sugar Plays Leading Part in Pneumonia Germ’s Activity

Probably No Elements Heavier than Uranium

Fighting Radio’s Bugaboos

Monkey Colony Opens New Era in Embryological Research

Vitamin A Concentrated in Halibut Liver Oil

Thyroid Gland Activated by Pituitary Gland

Super-Sensitivity of New Research Tool Is Confirmed

Valuable Tung Oil Industry Now Developing in America

Castor Oil Yields Drug That “Unpoisons” Cobra Venom

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