Feature

Year’s First New Comet Discovered in South Africa

Germ Warfare Likely

[Photograph]: Flight-Conditions Detector

World Aviation Certifying Group to Meet in U. S.

In Science Fields

Leo Ranney, Bringer of Water

Low-Grade Ore Deposits

Rheumatics Being Aided

Radioisotopes May Reveal New Facts about Teeth

Ninth Search for Talent

Seek to Check Cavitation

Nature Ramblings: On Becoming Bipeds