Feature

New Machines and Gadgets

Sun Refuels Self from Space; It Sweeps up Hydrogen Gas

Pneumonia Mortality Declined during Influenza Epidemic

Astronomers Find Sun Is More Distant than Thought

Wrinkled Old Woman Is Art from Peru’s Indian Past

[Photograph]: Flying Wing

Front Matter

Effective Cancer Treatment from Concentration Method

Apple a Day May Keep Dentist Away: New Version

Hookworm and Malaria Plague Southern States

New Process Makes Fabrics from Cow’s Milk Practical

In Science Fields