Feature

Secret of Sex Determination Sought with X-Ray Studies

Lost Continent Sought with Artificial Earthquake at Sea

[Photograph]: Scientists Relax

[Photograph]: Gall Insects and Insect Galls

Fiji Islanders Dress for Dinner; Annoyed by Guests in Shorts

In Science Fields

Heart Affliction Seen as Cause of Kind of Insanity

[Photograph]: Spinal Learning

Vitamin $text{B}_{1}$ May Be Fundamental Component in Evolution

Alcohol, Ether, Exposure Lower Pneumonia Resistance

Psychologists Puzzled over Adaptability of Workers

New Gas Is Discovered High in Atmosphere of the Earth