Feature

Four Plant Sex Hormones Found in Low Form of Fungus

Besides Food, Products of Farm Used 400 Ways

Gigantic Stellar Outburst Discovered in Distant Nebula

Lack of Vitamin C May Be a Cause of Food Allergy

In Science Fields

Iran May Prove Oldest Center of City Life

Nature Ramblings: Weed-Fed Ducks

Federal Health Officials See No Danger of Smallpox

First Glances at New Books

Smallpox Outbreak Gives New Chemical Remedy Trial

The Sphynx Tells All

Rats’ Tasting Abilities Show Life-Saving Function of Tongue