Feature

Books of the Week

Warmer Temperatures for Males than Females

Eskimo Clothing Better than U. S. Designed Gear

Nature Ramblings: Killer of the Seas

Extract More and Purer Anti-Bleeding Factor

Books of the Week

Canine Heart Sufferers Helped by Vitamin E

Nature Ramblings: The Cave Dwellers

Predict Pellets for Cattle Feed

Radiation from Medicine Might Require Safeguard

New Machines and Gadgets

Front Matter