Feature

Nature Ramblings: Hackberry

[Photograph]: They Still Whistle

[Photograph]: At First Meeting of President’s Board

New Research Promises to Solve Maya Writing System

Individual Needs Considered in Re-Employment Program

Ultra-Short Radio Waves Sent around Curvature of Earth

Modern Rooms Redecorated by Flip of Light Switch

Bishop and Scientist Writes on Scientific Theory and Religion

Australians Rout Cactus and Seek to Maintain Supremacy

Front Matter

Ozone Most Abundant Eight Miles above Earth

Use of Ultraviolet Light Spreading Rapidly in Industry