Feature

Front Matter

Van, Ancient City in Turkey, to Be Explored by Americans

Rival Types of Baseballs Given Scientific Tests

Mineral Veins in Rockies Younger than Mountains

Arabs, Indians Related, Blood Type Shows

First Glances at New Books

Spring Comes

New Saliva Test Indicates Likelihood of Tooth Decay

Ancient Rocks Identified by Two Trilobite Genera

Draw-Casting New Trick in Making Copper Rods

Dead Men’s Heads Carved on Ancient Temple in Peru

Pueblo War Songs Link Indians with Far East