Feature

[Photograph]: ‘Phone Gas Mask

Photography Used to Detect Counterfeits of Rare Books

Parrot Fever Danger Lurks in Healthy Birds

Front Matter

Austro-German Plebiscite “Loaded” against Dissenters

[Photograph]: Baboons, Just Baboons

Brain’s Electrical Waves Aid in Diagnosing Tumors

Replica of Polar Camp Exhibited in Moscow

New Morphine Substitutes May Aid Addiction Control

Parts of Brain Removed, Intelligence Not Affected

Sterilizing Rays Keep Germs Away from Wounds and Food

Part of Vitamin $text{B}_{2}$ Heightens Life in Leaves