Feature

Urge Geophysical Months

1961 Science Review

Nuclear Test Waves Detected Many Times

Front Matter

A-Bombs No Help to World Security

Hormones Affect Nerves

Study on Motivation of Youth in Science

New Morphine Substitute

Insect Preservation Allows More Field Work

[Photograph]: Three Times as Bright as Sun

Suburban Growth Makes More Water Problems

Clues to Aging Found in One-Celled Animals