Feature

Front Matter

Growth Hormone Isolated

Least Light We Can See

Aviators May Get Bends

Synthetic Menthol Can Be Produced from Thymol

4F Men to Be Trained as Flyers in Experiment

New Machines and Gadgets

Helicopter Pilots Must Learn to Fly Tail-First

For Penicillin Trial

Earliest Gilgamesh Epic

Navy to Hold Doctors

Fighting Men Need Water