Feature

Loss of Strength after 25 Indicated by Tests

Books of the Week

In Science Fields

Speed up Movie Shots

[Photograph]: Bevatron

[Photograph]: Tepexpan Man

Racon Lets Pilot Know His Position at All Times

Sound Kills Mouse

Earth Affects Reception

Heavy Carbon Atoms Are Separated by New Method

Navy Seeks New Design for Magnetic Compass

Artificial Weather Made