Feature

Timber Cut A.D. 217 Gives Oldest Building Date

In Science Fields

Eye Injuries in U. S. Total 1,000 a Day

High Flying Airplanes Are Made Safe by Tests

New Machines and Gadgets

Tooth Decay and Pyorrhea Linked to Lack of B Vitamins

Same Plastic May Be Made Hard or Soft, X-Ray Shows

Weather Scientists Doing Important Defense Work

Not One Stratosphere, but Two, Says Scientist

Deaths from Tuberculosis Decreasing among Workers

“Crisis Psychology” Danger Stressed by Psychiatrist

Fat Men Found Prone to Knee Injuries