Table of Contents

Letters

Features:

The Impact of Genetic Engineering on Society
by Leroy E. Hood

Genetic Engineering
by Robert L. Sinsheimer

Ethical Issues in Genetic Engineering
by John V. Tunney

Earthquake Researchers Hit the Road

Atlantis: Cradle of Western Civilization?
by Nicholas Tschoegl

Research Notes
Bridging the Gap Junction
Cosmic Explosion
New Data on Ground Shaking
The Bean Freaks
Telescopes with Television

Campus News:

The Month at Caltech