Feature

Books of the Week

Poison Chemical Found in Smokers’ Bodies

Setting Sun Flattened Seen from Space Capsule

Floating Biology Class

Drug Abuse from Rat Race

Front Matter

Brown Fat May Be Key to Space Survival

Cigarette Smoking Harms Lung Tissue

New Farm Problem: Surplus Reproduction

Computer for Translating

Half the World Is Hungry

High 1963 Fallout No Cause for Concern