Feature

X-Ray Recording Device Gives Fast TV Picture

Step up Study of Virus-Caused Cancers in Chicks

New Drug Reported to Relieve Heart Pain

General Relativity Tested

Name Nobel Winners

Cholesterol-Lowering Oils

Explorer VII Measures Earth’s, Sun’s Radiation

“Gatling Gun” Returns

[Photograph]: Solar Slide Projector

Army’s Ducted-Fan Plane Could Be Airport Taxi

New Machines and Gadgets

Front Matter