Feature

Bad Teeth by Inheritance

Alloy for Aircraft Saves Weight, Gives Strength

Army Rations Need Not Vary with Climate

New Methods, Old Type of Houses for Future

Nature Ramblings: Prairie and Plow

Books of the Week

Front Matter

Coal Mines Can Be Safer

Atomic Fission Products Damage Brain Tissues

Why People Are Alcoholic

Tense Tops Start Baldness

X-Ray Sterility Offset