Feature

Music Used in Dentistry

New Machines and Gadgets

Low-Melting Elements Make High Heat Material

Front Matter

Steroids under Inquiry

1959 Science Review

Claim Weeping Aided Survival of Early Man

Four Kinds of Changes Found in Satellite Motion

Heat and Drag Impact on Spaceships Studied

Chromite Use Cuts Smog Elements in Exhausts

Advances in Chemistry

[Photograph]: Oil Standards