Feature

Mood Aroused by Music Is Linked with Color “Seen”

Army Tries Four-Bladed Propeller for Planes

Patent Control of Flight and Fueling of Rockets

Germany’s Hope of Food from Sea Is Impractical

First Glances at New Books

Front Matter

Super-Heavy Elements May Be Stuff of Dense Dwarf Stars

[Photograph]: Most Beautiful

Undulant Fever Can Be Spread by Water

German Science Decline Reported in AASW Survey

Hollow Bullets Fired down Take Oil Well Samples

Fly Makes Mosquito Carry Its Eggs to Human Victims