Feature

“Missing Link” Is Found in Human and Monkey Embryos

WPA to Aid Rehabilitation of Rejected Selectees

No Certain Way to Tell Japanese from Chinese

Japan Fights Nazi Style with Feudal Hang-over

Sulfa Drug May Protect U. S. Army against Plague

Frequency Modulation Applied to Telegraph

Japs Copy Nazi and U. S. A. Planes

[Photograph]: Largest Flying Boat

[Photograph]: Hard to Hit

[Photograph]: Bright Meteor

Front Matter

New Infantile Paralysis Treatment Gets Approval