Feature

Front Matter

April Evening Skies

Beer and Bread Have Been Companions since Pharaohs

Dyes Fading in Light Become New Compounds

[Photograph]: Weapons of a Pioneer

Politics in the Laboratory Use Scientific Methods

In Science Fields

Calcium Fails to Stop Cancer; Pepsin Index to Ulcer State

Tellurium Added to Lead Protects against Acid

St. Patrick’s Day Quake near Pribilof Islands

Millions of Birthday Lights for Dr. Elihu Thomson

First Glances at New Books