Feature

New Dinosaur Species Described in Washington

Hollow Ice Crystals Formed in Famous Kungur Caves

In Science Fields

Non-Living Matter May Learn and Remember

Radium Rays Three Times More Effective than X-Rays

Front Matter

Public Gets Benefit of Poison Gas Patent

Astronomy Medal Awarded to Universe Maker

French Astronomer Observes Sun’s Corona without Eclipse

Cost of Coal Is Reduced by Safety Measures in Mines

Electrically Heated Apartments for Toads and Snakes in Zoo

Mexican Villages Where None but Children See