Feature

Carbon Monoxide May Now Be Removed from Auto Exhaust

Nature Ramblings: White Pine

Front Matter

Ancient Ivory Tools Testify to Existence of Alaskan Culture

Crime Wave Spreads to Wild Animals

12,000 Fossil Shells Examined

Antiseptic at Turn of a Switch

Thomas H. Morgan Given New Honor

Insane Not Likely to Have Families

Coin Dates Tomb as Early Christian

In Various Science Fields

Plant Warfare: A Science Classic