Feature

Nature Ramblings: Shamrocks and Snakes

Winter Tornadoes Rare but Causes Are “Orthodox”

Oldest Theater

Nature Ramblings: Superstition, Science’s Jackal

Chilean Mountains Shaken by Earthquake

Injections Lengthen Life of Tuberculous Rabbits

Lost History Sought in Mosque of St. Sophia

Front Matter

South Sea Wood May Reveal Life of Ancients

Plants Retain Heavy Water in Formation of Tissues

Man-Made Radioactivity Achieved at Pasadena

Observing Ground Tilt May Aid Earthquake Prediction