Feature

Radio Reception Improves as Sun Spots Decrease

Millions Wasted Yearly for School Ventilation

Predicting Undiscovered Elements: Part One: “A Classic of Science”

Special Capillaries Protect Extremities against Frostbite

Tendency to One Sex May Be Hereditary in Families

Swinging Children by Arms May Be Cause of Paralysis

Machine Outdoes Physician in Detecting Artery Hardening

Nature Ramblings: Winter Rosettes

Discovery of Element 87 Reported by Cornell Chemists

Navy’s New Airship Hangar Will Be Built in Sections

Insects Better than Rats for Use in Vitamin Tests

New Theory Would Explain Cosmos’ Unexpected Ways