Feature

Gun Firing into Gun Devised for Super-Pressure and Heat

[Photograph]: Pioneer of 1934

Blood Tests Relate American Indians to Siberian Tribes

Tombs Found in Burial City of Indian Kings

In Science Fields

Better Microphones and Loud Speakers Sought

Winter Drought Causes Worry in Wheat Belt

Change of Machine Oil May Lessen Skin Cancer

Mechanophobia, Merely a Futile Reaction to Depression

Ancient Seaweed Reef in California Mountains

The Turbulent Sex

Earthquake Problems Automatically Solved