Feature

Prof. Compton Interprets Stratosphere Results

Infrared Lights Declared Impractical for Fog Flying

One Child in Three Died in Ancient Indian Village

Nature Ramblings: When Erosion Was No Problem

Meteors Affect Reception of Short Wave Radio

Gibbs Medal Goes to Heavy Hydrogen Discoverer

First Glances at New Books

Front Matter

Existence of Anti-Photon Suggested by Nobelist

Oldest Known Jewish Coins Reveal Freedom after Exile

Woman Uses Prize to Found New Award

Only One of Identical Twins Attacked by Mental Disease