Feature

Streamlined Periscopes to Go on Navy Submarines

Eyes Cause Headaches

Five Research Planes Yield Valuable Data

One Photographic Bath to Develop and Print

In Science Fields

Nails Now Hold Tighter

Protect from Drowning

Atomic Heart Found 15% Smaller than Thought

Books of the Week

“Toy” Power System Solves Problems of Big Utilities

Nature Ramblings: Defiers of the Dunes

Agriculture Research in Gastronomic Review