Feature

Ask Trial of Tannic Acid Treatment for Poison Ivy

Eleven Viruses Attack Human Nervous System

Money May Last Longer as Result of Studies

Mouse Foster-Mothers Transmit Hereditary Cancer

Nature Ramblings: Wildflower Names

Fight without Forebrain but Need It in Love

First Glances at New Books

Front Matter

Heparin Used to Prevent Adhesions after Operations

Human Guinea Pigs Test Poisonous Toluene Fumes

Charred Documents Made Readable by Chemical

Mental Disease May Be Banished by Frozen Sleep