Feature

Two New Gland Hormones Affecting Sex Discovered

Jaundice Research May Give Clue to Arthritis Control

Front Matter

Watch Great Dam for Quakes; Lake’s Weight May Bend Rock

Man-Made Sand Dunes Saving Carolina Seashore

Prontosil “Steals the Show” at Major Medical Convention

First Glances at New Books

Records of “Gibbonese” Made in Jungles of Siam

Molecules of Visual Purple Measured at Columbia

Whiskey Deadly Poison to Those Who Take Strychnine

Substance in Sheep Brains Prevents Blood Clotting

Fear World Faces Disaster; Scientists Urged to Rally