Feature

Human-like Computer Reads and Writes

Report Cosmetic Hazard

Undersea Vessel Designed

Little Noise and Light Can Help You to Sleep

Mice Relay Heartbeats

Animal Study Adds to Man’s Self-Knowledge

Galaxy Appearing to Be Formed Is Discovered

In Science Fields

Oceanographers Need Ships

Front Matter

Smoking Habits Studied

Psychiatrist Interprets Second Thoughts