Feature

Shotgun Fired by Bringing up against the Shoulder

Urge Sharing of Isotopes

“Social Physics” Applies Laws of Gravity to Income

Low-Temperature Battery

Benzene Hexachloride Found to Flavor Pork

New Argentine Mineral Named for National Hero

Porcupines Chew Glass, Gnawed Bottle Shows

Nature Ramblings: Sweets from Trees

Different Types of Light

Books of the Week

Hall of Bird Specimens Opened at N. Y. Museum

New Machines and Gadgets