Feature

Hard Hitters for U. S.

Quota System Is Advised for Military Doctors

[Photograph]: For Air Raids

Camels Do Not Store Water in Either Hump or Stomach

[Photograph]: Footprints in Rock

First Glances at New Books

Front Matter

Start of Human Life Shown by Electron Microscope Pictures

[Photograph]: Very Strange Bird

Germany’s Psychological Warfare Plans Revealed

Hint That Color Blindness Can Be Remedied by Vitamin A

[Photographs]: Talking with Light