Feature

Full-Size Mines Tested in Laboratory

[Photograph]: Trained Porpoise

Range Pest Beaten by Imported Beetles

Snakes Battle Cancer

Pharmacists Urged to Stock “Bal”

From the Winners’ Reports

[Photograph]: Project Show

In Science Fields

Front Matter

Nature Ramblings: Hepatica

Viruses Can Help Man as Well as Harm

Top Two of Forty Winners