Feature

Particles Get Greatest Energy from Whirligig Atomic-Gun

Second American Planetarium Opens in Philadelphia

[Photograph]: Looking down on a Roman Home

Front Matter

Germs’ Conquests Aided by Strange Spreading Factor

Pithecanthropus Had ‘Modern’ Contemporary, Briton Claims

Mayan History Revised by Mexican Archaeologist

Leonid Meteor Shower Should Be Brilliant

[Photograph]: Gentle Headhunter

Psychodietetics Suggested for Mind-Dietary Science

Girls Sleep More Soundly than Boys of Same Age

Museum Publishes Roman House Model