Feature

Child Health Weapons Forged at White House Conference

Time Signals Help in Setting International Boundaries

Front Matter

Million Watt Broadcaster Seen as Next Step in Radio

[Photograph]: Fourth Dimension Models

Mysterious New Disease Baffles Medical Science

Nature Ramblings: Liquidambar

First Glances at New Books

Meteor Display This Month Arouses Hope for Big Shower

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

In Science Fields

[Photograph]: Bearing Fossils of the Gobi