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Front Matter

Science President Urges Continuance of Research

Earth, like Sun, Has Corona, Study of Aurora Demonstrates

Alaska Earthquake “Seen” with Telescope

Planet Photographed Eclipsing Star

New Mathematical Method Charts Course of Evolution

Tests Indicate Cosmic Rays Are Particles

Drs. Compton and Millikan Agree on Experiments

Most of Universe’s Radiant Energy in Cosmic Rays

Good Monkey Babies

In Science Fields

The Cloven Hoof: “A Classic of Science”