Feature

Books of the Week

Nature Ramblings: Falling Leaves

World-Wide Standards Set for Signal Light Colors

Fight Tooth Decay

Heating of Lead Used to Measure X-Ray Energy

Combat Footwear Keeps Toes Warm at 45 Below

[Photograph]: Angola Colobus Monkeys

New Machines and Gadgets

In Science Fields

Better Influenza Vaccine

Ultraviolet May Stop TB

Aid for Childless Women Seen in Hormone Chemical