Feature

First Glances at New Books

Back Matter

Front Matter

Air a Hundred Miles up May Be Warm as a Summer Day

Astronomer Explains Star Going Two Ways at Once

Glass Tops on Tin Cans Made of Telescope Material

Artificial Radioactivity Seen as Aid in Cancer Fight

Study Concentration of Viruses as Clue to Nature

New Band of Ultraviolet Found in Sun’s Rays

Sheep Reared Successfully on a Synthetic Diet

Amazing Landscape Lies beneath the Pacific Ocean

Time Signals Now Broadcast Twenty Times Each Day