Feature

Peak of Measles Epidemic Not Due for Three Weeks

Tree Grove Is Leading Character in New Book

Yellow Fever Weapon Developed Just in Time

Viruses, Declared Non-Living, Show Some Signs of Life

Front Matter

War Is Not Necessary or Inevitable Biologically

Hitler Rose to Power Because He Felt Personally Insecure

Stone Age Animal Painting Presented to Museum

World Fairs Planned to Show the Sciences in Action

Coordinated Federal Exhibits Replace ‘Jumbled Mess’

Conflicting Views on Leprosy to Be Aired at Conference

The Birth Was Registered