Feature

Movies of Accidents Drive Safety Lessons Home

X-Rays Can Detect Disease in Many Parts of Body

In Science Fields

First Glances at New Books

Woodworking Plants Become Source of Dust Explosions

Oldest Eskimo Find in Alaska Made by Archaeologist

Front Matter

Yardstick of the Solar System

[Photograph]: Air Speed, 70 Miles per Hour

Cold Weather Not Brought by Warm Summer

Tells What Blind People See in Their Dreams

1930 Population Found from Figures 20 Years Old