Feature

First Glances at New Books

Back Matter

Front Matter

Biologists Urged to Drop Senescent Evolution Theories

Photograph Shows Atom as If Seen by X-Ray Eye

Study of 91-Year-Old Man Shows Way to Serene Age

Headache Remedy Believed Cause of New Fatal Disease

Muscle Tone Drives Blood in Veins Back to Heart

Infrared Photographs Aid in Diagnosis

Fossils of Shark Found in Pennsylvania Rocks

The Electron Is Real

Nerves Act Gland-Fashion in Causing Color Changes