Feature

Joint Injections Relieve

American Inventors Earned 44,356 Patents during 1951

In Science Fields

Chemical Study Promises Cheaper Vitamin D

Synthetic Future Forecast

Botanist Helps Time Death

Science Outlook for 1952

Water-Injection Important in Recovering Additional Oil

[Photograph]: AAAS President-Elect

New Garden Lettuce and Bush Snapbean Developed

Survey by Moon’s Shadow

Hip Disease Slows Growth