Feature

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

Vitamin E Lack Makes Weak Spots in Heart

California Big Trees Can Be Young Even Though Huge

Research Yields Billions

Protein Synthesis Seen

[Photograph]: Ceilometer

Aluminum Kite Reflector Is Used for Radar Target