Feature

Most Powerful Magnetic Field Found in Sunspots

Front Matter

Blueprint for World Peace Needed Now, Say Scientists

Americans “Misled” by Early Rejection Figures

C A A Is Searching for Crash-Proof Gasoline Tank

[Photograph]: The “Mariner”

Antibodies Induced to Form in Laboratory Glass Vessels

Australians Do Not All Look like Western Cowboys

Diphtheria Toxoid Treatment for Leprosy Fails in Trials

Calculus before Cannon

New Machines and Gadgets

Science Clubs of America