Feature

Bad Weather Helps American Health

Millions of Horsepower in Southern Rivers

White Civilization Kills New Guinea Savages

War Disinfectant Now Goes to Washtub

Monopoly on Tornadoes Held by America

73876

A Prehistoric Tree

A Table Trick and What It Teaches

Gases Dense as Metals in Stars

Educated Snail Learns to Speed

Graduated Amplifiers for Hard of Hearing

Organization to Study Tropic Plants