Feature

Time Signals Help in Setting International Boundaries

Nature Ramblings: Liquidambar

Meteor Display This Month Arouses Hope for Big Shower

New Varieties of Wheat Brought to U. S. from Russia

Child Health Weapons Forged at White House Conference

Front Matter

Million Watt Broadcaster Seen as Next Step in Radio

[Photograph]: Fourth Dimension Models

First Glances at New Books

In Science Fields

[Photograph]: Bearing Fossils of the Gobi

Uncle Sam Becomes Vocational Counselor