Feature

Iodine from Oil Brines Breaks Former Monopoly

X-Rays of Liver Possible through Chemical Injection

Front Matter

Electrically Produced Fever Relieves Asthma Sufferers

Unmanned Balloon Used to Make Aerial Maps

Heavy Tax on Farm Products Levied by Plant Diseases

Depression May Mark America’s Coming of Age

Modern Indians Surpassed by Monte Alban Jewelers

New York Will Be Flooded by Melting of Great Ice Caps

British Anthropologists Doubt Age of Oldoway Man

“Ether Drift” Differences May Find Reconciliation

Nature Ramblings: Trout