Feature

Scientists Calculate How Man May Fly like Bird

Front Matter

Whines, Grunts Studied

In Science Fields

Books of the Week

Unmanned Plane Can Spy

Polio and Tetanus No Threat to Newborn Baby

Overseas Medical Aid Improves U. S. Health

World Polio Conference

Antievolution Not Dead

Meeting Uses Interlingua

[Photograph]: Seat of “Big Dish”