Feature

Front Matter

New Polio-like Disease

[Photograph]: Super-Cold Temperature

Hormone May Rejuvenate

Loyalty Order Harmful

Tail of a Running Lizard Serves as a Balance

New “Electronic Brain”

“Daily Diary in Dust” Written by New Device

UNESCO to Promote World Exchange of Publications

New Tooth Decay Theory

Rust Problems Studied with Radioactive Isotopes

England Wants to Improve Detergents from Petroleum