Feature

Three-Fourths of Cancer Group Succumb in First Five Years

Dangers of Dust in Industry Described at Safety Congress

Suicide Increase Not All Due to Depression

Whooping Cough May Have Dual Personality

Front Matter

Copy of Columbus’ Map Found in Constantinople

Quake Was Similar to One That Ruined Brilliant Knossos

[Photograph]: Souvenir of the Eclipse

Bacteria Lived in Tube More than 22 Years

Parrots Quarantined in Infected Areas

In Science Fields

Appearance of Age Sprayed on Copper