Feature

First Glances at New Books

Front Matter

Particles Get Greatest Energy from Whirligig Atomic-Gun

Second American Planetarium Opens in Philadelphia

[Photograph]: Gentle Headhunter

Psychodietetics Suggested for Mind-Dietary Science

Germs’ Conquests Aided by Strange Spreading Factor

Mysterious Sun Element Found to Be Highly Excited Oxygen

Girls Sleep More Soundly than Boys of Same Age

Pithecanthropus Had ‘Modern’ Contemporary, Briton Claims

Museum Publishes Roman House Model

Eugenicists Approve New German Law