Feature

Minor Planet Hit Moon

Strange Chemical Isolated, Explodes at Ordinary Heat

Old Age Hereditary Habit

Survey by Moon’s Shadow

In Science Fields

Communism and Democracy Suppress Inquiries

Chemical Study Promises Cheaper Vitamin D

Synthetic Future Forecast

Science Outlook for 1952

Botanist Helps Time Death

[Photograph]: AAAS President-Elect

American Inventors Earned 44,356 Patents during 1951