Feature

Suggest Way to Improve Clearance Procedures

Books of the Week

Radioactivity Induced in Mosquitoes to Study Habits

Silent Engine-Generator Made for Military Uses

New Machines and Gadgets

Front Matter

Leukemia Death Sign

[Photograph]: Rare Monster

Soviet Science Translated by Atomic Laboratory

Atom-Smasher Isotopes

Record Fish May Have Had Too Much Mouth

Science Clubs Abroad