Feature

Tests Indicate Cosmic Rays Are Particles

First Glances at New Books

Front Matter

In Science Fields

Yardstick Made for Volume of Sound

Nature Ramblings: When Woods Are Deserts

Muscular Physiology Studied by “Artificial Rainbow”

New Mathematical Method Charts Course of Evolution

Liquid Helium Makes Lead Superconducting

Methylene Blue May Kill Instead of Saving Life

Students Predict Decline of Western Civilization

Planet Photographed Eclipsing Star