Feature

Mysterious Chinese Drug Proves New Plant Species

In Science Fields

Seven-Foot Stone Disk Shows Sun Time

Diet Standards for Americans of All Ages Announced

Without Thiamin in Diet Pigs Cease to Be Hoggish

American Republic That Never Saw Census Man

“Reverse Matter” Theory of Meteorites Called Unnecessary

Front Matter

Extension of Food Stamp Plan Raises Question of Food Dole

Nature Ramblings: Ailing Plants

Electrical Currents Prevent Corrosion of Submerged Pipes

[Photograph]: Upbeat Downbeat