Feature

Chemical Yardstick Used to Classify Coal

Chemists Debate Value of Alcohol Blend for Car Fuel

[Photograph]: Most Primitive Game

Prehistoric American Indians Suffered from Syphilis

In Science Fields

Planets Now Returning

Food Drugs and Poisons Reviewed in New Volume

Atoms and Cosmic Rays Yield New Science Knowledge

Bombing Planes to Fight Fires with Chemicals

Nature Ramblings: War among the Elms

Best Books and Best Sellers Written by Young Authors

First Glances at New Books