Feature

In Science Fields

Speech Defects Treated

[Photograph]: Computer Shrinker

New Heart Pacemaker

Water Needs Cleaning

Asteroid Belt Probe

Decision on Supersonic Airliner

Front Matter

Homosexuals Need Help

Rechargeable Pacemaker Steadies Heart Beat

Design Details Unveiled for Air, Space Museum

V/STOL Plane Challenges High-Speed Rail Transit