Feature

First Glances at New Books

Front Matter

Positron Formally Introduced; Negative Proton Predicted

Fallowing of Leased Land Will Pay Farmers Twice

Spring Found to Be Season of Least Growth in Children

Common Box Camera Used with Microscope

Russian Physicist Explains Genesis of Gamma Rays

Stone Tool in Nebraska Cliff May Reveal Ice Age Americans

Stray Dog Nurses Full-Grown Cat

Cannibalistic Lizard Develops Forked Tail

World’s Return to Simplicity Is Declared Impossible

Geography and the Farm Problem