Feature

Cluster of Six Galaxies Found Extremely Dense

Books of the Week

Boy Extracts Gold from Sea Water by Own Method

New Machines and Gadgets

Front Matter

Q Fever Poses Problem

Biochemistry Fellowships Announced by Foundation

Pick New Surgeon General to Replace Retiring Head

Look for Comet Bester

Blade Kills Weeds by Cutting Underground Roots

Experiments on Prisoners

Home-Made Seismograph Detects Quake in Alaska